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7/26/2019 A tabular View of the external Characters of Four Classes of Animals, which Linné arranged under Insecta
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a
X X X I . A tabular Viem of the eaternal Characters of Four Classes
of Animals, which
LiltnE crrrmged uiicler 1
N
s
E C T A
; with
the
Distribution
of
the
Geiimz
composiig l’lrree
of
these
Clas s e s
into
Orders, &. and Descriptions of seuerul New Genera and Species .
By William Eyord Leach,
Ad. D.
Read
April 19,
M a 9 3, and June 1
1814.
THEbject of this paper
is
chiefly
to
call the attention of
Entomologists to examine into the propriety of constituting
a new class to comprehend the
Syngnatha
and
C h i l o p a t h a of
Fabricius,
which Latreille and Larnarck have arranged with the
A
raclr
11ides.
As the leading characters of the classes which were considered
by
Linn6 as liisecta are very obvious, I
shall i n
the first place
content myself with submitting to t h e Society the external cha-
racters, through the medium of a table,
and
shall then consider
three of thc classcs separately.
All the aiiiiiials i n question agree
i n
having articulated limbs
for motion, a i i d they
all
have their spinal
mass
of nervcs
com-
1)osed of ganglia, which are formed as i t were on a cord ; or, in
other words, are brought into communication with each other.
By the following table the most obvious points of distinction
may
readily
be learnt.
A. 13ru1r-
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308
D11
L E A C
L’S
Armiigement
of
the
Crirstacecr,
4c..
a n d altliougli
f i w n
the i n f a n t state of o u r
knowledge I
cannot
v e n t u r e
to proposc rianied divis ions, y e t I shal l cndeavou r to dis-
pose
the geiiera
i n t o
what
appear
to be
n a t u r a l
groups.
A.
Abdomen
mnris
5 -articulntum articulo medio longiore, f t e m i n c e
7-articdatum. Pedes
2
untici didactSli. Genera.
Drvrsro I. Test a subrhomboidalis. Pedes duo antici longissirni, di- 1.
LAMBRUS.
gitis deflexis.
DIVISIO1. Test a postice truncata. Pedes duo antici xnaris elon-
Szilrdivisio
1.
longiore.
palpi geniini est erni caulis interni articulo secu ndo breviore.
gemini estern i caulis interni articulo secu ndo longiorc.
gati, foernina niediocres.
Antennaz elongataz utrinque ciliatz.
Test a elorigato-ovata. Pedipalpi gemini externi wticulo secundo 2. CORYSTES.
Testa subcircularis ; orbita integra. Ungues acuti, f lexuosi. Pedi-
Testa subcircularis j orbiti fis.suris
2 .
Lrngues recti. Pedipalpi
4.
ATELECYCLUS.
3.
THIA.
Szildiuisio 2. An ten nc medioeres simplices. Pedes postici unguibus
eompressis, natatoriis.
Orbita integra. Ungues omnes compressi. 5. PORTUMNUS.
Orbita superne fissura
1. Ungues
postici subeompressi, acuti.
6.
CARCINUS.
Orbita superne fissiiris 2. Ungues postici valde conipressi. Ped cs 7.
POKTUKUS.
Orbi ta superne fissuris
2.
Ung ucs postici valde compressi. Pede s S. LUPA.
2 antici inaquales .
2 antici aequales.
Subdiuisio 3. An ten nz mediocres simplices. Pedes 8 postici natatorii.
Subdiuisio
4. An tt iin s simplices, breves, Pedes S postici consiniiles,
Antennae ex tern z inter
oculo-
10. CANCER.
Antenna: in oculorum cantho 11.
XAXTHO.
12.
CALAPPA.
9.MATUTA.
simplices.
Pedes
2
antici simplices, inaequales.
rum cantliuni et frontem insert*.
Pec es
2
antic i simplices, inazqudes.
interrio insert=.
Pedes
2
aiitici cristati, cqua les.
B. A6domen in
utroque
sexu
i’-ar~iculatum.
Pedes duo ant ic i di-
dacty
Ei.
DIVISIO
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Drvrsro
111.
SuCdiuisio
1,
Pedcs S postic i simplices, consini les.
Testa antice arcuata, lateribus in angulum convergcii-
tibus. (Ped es duo antic i inaecpales).
Genera.
Pedipalpi gemini externi caulis interni articulo secuntlo ad Rpicem
13.
Prwxrxvs.
internuin palpigero.
Pedipalpi gemini externi caulis interni articulo s e c d o subtus pal-
1-1. G E C . \ R C I ~ ~.
pigero. Ungu cs et tibia: spinosa.
Ungiies et tibiae incrmes.
Siddioisio 2 . Tes ta quad rata aut subquadrata. Oculi fronte inserti.
* Tes ta sub quatlrata oculi pediinculo brevi.
**
Testa quadrata oculi pedunculo elongato.
Pedipalpi gemini externi cadi iriterno uninrticulato.
15. PIKFOTHERBS.
Oculi pedunculo ultra illoium apicem pro du cto . I’cdes
2
antici in- 16. OCYPODE.
Oculi pedunculo ultra illorum apicem
11011
producto.
Pedes 2
antici 17.
~ J c A .
Oculi peduncu lo ultra illorum apicem no11 producto. Pedes 2 antici 19. GONBPLAX.
aequales.
inaxpal
cs.
aequales.
SuZdiuisio
3.
Testa subquadrata. Oculi ad angulos onticos inserti. 19. GRAPSUS.
Drvrsro
IV.
Sultdii~isio
1.
lato.
Pedes duo postici saltem dorsales.
Pedes duo postici dorsales.
O cd i pedunculo biart icu- 20. I ~ oM o L . ~ .
SuZ&i\io
2 .
Pedes
quatuor postici tlorwlc
..
OcuIi
pethnculo uiii-
articulato.
Pecks quatuor poctici ninnodactyli.
I’eties quatuor postici didactyli.
21.
DORIPPE.
22. D K O M I A .
D ~ V I S I O
.
Tes ta antice rostrata. Petlcs S postici simplices, consi-
Siihdiuisio 1. Digiti deflexi. 23. EURYNOMR.
Szitd:visio
2 .
Digiti haud cleflexi.
miles.
Antennae esterriae articulo primo e ster ne ha ud dilatato.
a.
Pedrim par anticum aliis vis crassius.
AntenriE ester nie ar ticulis ciiiobus primis subrrqualilius. Te sta spino-
24. hfara.
sissimb.
b.
Pedum
par
anticum aliis distincte crassius.
Ungues interne dentir ulati, Tes ta villosa. 2.5,
~ ’ J S A .
2 9 2
Antenna
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310
Dr.
LEACH'S
rrangement
of
the Crustacea,
c.
**
Antexme externae articulo primo externe dilatato.
Genera.
Testa subtuber culata, lateribus
pone
oculos hastato-productis.
26.
HYAS.
C . Abdomen
in
utroque s e m 6-art iculatum.
DIVISIOI.
SuErdivisio 1
OcuIi retractiles. 27.
INACHUS.
Subdivisio
2.
Pedes 2 antici didactyl i.
Pedes parium
2 ,3 ,4
et 5 consimiles, grades.
Oculi nudi haud retractiles.
Rostro fisso.
28.
MACROPODIA.
Rostro integro.
29. LEITOPODIA.
DIVISIOII. Pedurn par quintum minuturn, spurium.
30. LITHODES.
D.
Abdomen fcernina: (marisque?)5-arliculutum. (Testa antice ro-
31.
PACTOLUS.
strata.)
E. Abdomen
in
utroque s e m 4-articulatum. Pedes 2 antici didactyli.
Testa rotundata aut subrhomboidalis.
Testa transversissirna, cylindrica.
32. LEUCOSIA.
33.
IXA.
D I V I S I O I .
Abdomen M A
R I S
5-articulatum articulo riredio longiore
;
r a % f I N z
7-articulatum.
Tes t a
rhomboidalis.
Anteniice
ex teriorcs sim-
plices. Pedipalpi gemini externi caulis interni articulo
secundo
latere interno emarginato pro insertione palporum. Pedes duo
antici didactyli longissimi
;
digitis deflexis ; pedes alii siin-
plices, consimiles.
M A J ,
Bosc,
Latrei l le .
Gen.
1. LAMBBUS.
Spec. 1 .
Lai nbr us longirnanus,
Maja longimana, Bosc Hist.
N a t .
des Crust.
i. 250.
D I V I S I O 11.
Abdomen
N A R I S 5-articulatum articulo medio longiore :
F C E M I N I E
7-articulatum.
Testa
postice truncata
:
Antenna erteriores
triarticulata
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D r ,
LEACII'S
rrangement
o f
the
Crnstacea,
&.
311
t r iar t iculatE art ic ulo ul t imo e segmen
tis
plurimis min utis effor-
inato.
PedipnZpi g e m h i e st er ni
cau l i s in te rn i a r t i cu lo secundo
latere in terno ema rgina to
aut
ap ice in te rno t runca to .
Pedes duo
an
ic i
did a
c y
1 ,
m r
is 1
on
g
ore
s.
S U B D J V I S I O 1 .
Antenna longissimce u t r i q u e cil iate.
Peclum paria 2, 3,4 t 5 coil-
sirnilin
;
ar. anticum
digitis
defEesis.
Gen .
2. C O R T S T E S ,atreille.
A L B U h ' E - 4 ,
Fu6r.
Antenim esterioi*es corpore longiorcs, segniento tertio articulis
elongatis, cylindricis.
Pedipnlyi gemini eaterni
caul is in terni
*
art iculo secundo (primo longiore) angusto apice angust iore
rotundato , la tere in terno late ernarginato .
Y e d u in par ant i -
cum
R I A R I S
corpore
duplo
longius,
su
bcyiindricuni, inanu gra-
dat in i subcrassiore, s u bconipress&;
Fmni i
N:E corporis longi-
tud ine i n a n u coinpressa :
pnria reliqzra
ti
hiis
tarsisclue
lon-
g i t u d i n e
subaeyua ibus,
unguibus clong:rntis, rectis,
acutis
lon-
gitudinal i ter sulcat is ins tructa.
Abclouieii
31 A
II
I s ar t icu lo
pr i m o
l ineari transverso, secu nd o longiore
\ i t
rinq lie postice pro-
ducto , ter t io aqualiter s u b q a a d r a t o , q u a r t o
przec'e:dt.utc
an-
gust iore t ransverso, qui nto angust iore subtr iangu lari
apic-e
ro-
t u n d a t o ;
~ ~ M I K ~ L
rrticulis sex
priiuis
transvcrsis
antic*(. r c u -
atis, quin to t r iangulari
apice
ro tundato . Tes ta o tdoligo-ovata
an t ice subros t ra ta , pos t ice marg ina ta . Ocitli pedunciilo reclivi
ha ud crass iores
;
orLila sup ern c fissura
una .
Spec. 1 . C o r y : e s
Cassiuelnuitus.
C.
tes th granulari post ice subcrenulat i i
;
frorite bifido
;
a ter ibus
Cancer Cassivelaunus.
Penn. B r i t . Xool. iv.
6.
t. 7 . 8 s
.
Herbst 1.
19.5. t . 14.f 2.
d .
t r identat is .
Cancer
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312
Dr.
EACI~'S
rrangement
o
the Cr+stacetr, +c.
Can cer personatus . Herbst I . 193.
. 12.
f. 71. ? .
Albunea, dentata.
J'ubr. Sup. El i t
Syst. 39s.
Corystes dentntus . Loti..
Ce l l
Crirst.
e t
Iris. 1. 40.
Hnbitat
i n
Europeo mari.
Gen. 3.
T H I A .
Antemce elcteriores
corpore longiores segniento tertio articulis
elongatis cylindricis.
Pe d +a lp i
gemini
es terni
caulis interni
art iculo secu ndo primo mu1 to breviore
a d
apicem interiium
truncato-subemarginato .
Pedirin p a r anticrtin R I A I L I
corpore
paululuin longius nianu comprcssa
; p u r in
alia tarsis tibiis
d u
plo b re 7
i
or bu s, u n
g
u b us ac11
is
,
flexu
os s
1
on
g
tu
d in
a1 ter
sulcat is . I 1 bdorncn RI A R i s ar t icu lo yrirrio transverso arcuato,
I i n ea r , ec
u
i d o
pa
u
1
ul
u
ni 1
on
g o
re
:in
t i c
e arc
i
a 0-su 11pro f 11c o,
t
er o v
a1
d e el
on
g
a o a pi
c
:ni v
e
I'S u s
pa
111 i
1
1ii 1 ii n g ti s t iore
apice
6ub
e
niarg
i
n
at0
q u a r t o
Y
u b q 11a I
ra t
o
a p
ce
su
I
Ic' iii a
rg
11 a
o,
qui nto t r iangulari.
Tes ta
subc ircula ris later ibu s sensiin postice
in anguluui convergent ibus , post ice granulari-subinarginata,
f ron te subproducta . Oculi ininimi
v i s
prominul i
;
orhita pos-
t i ce haud
fissa.
Spec . 1.
Thia
polita.
T. testa convex$. polith sparse puncta t i i ; orbits postice eniar-
ginat
a ter ibus u t r inyue obscure quadr ip l ica t i s ; ronte inte-
gr%
arcuatA.
Ca ncer residuus.
H c r b s t 3. 53.
.
4s.
,f. 1 2
Gen .
4. A T E L E C Y C L U S .
C A N C E R
Nippa),
Montagu.
Anteiiiie
exteriores
corporis ad diinidiurn longitudinis, segineiito
tert io art icul is
cylindricis
elongatis. Pedipalpi gemini
esterni
ca.ulis intern i art icu lo primo breviore ad apiceiii internuin pro-
d u c t o
e t ad
la tu s in ternurn apicei ii versus einargir iato
ad pal-
p
u 111
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Dr.
LEACH’S
wangement
o f
the
Crustacea,
#c.
3
13
poruiii insei.tionem.
Pecluiii p a r anticrun
nrn
R I S
corpore
1011-
gius nianu compressa
;
F ~ Z N N X corporis longi tudine inanu
compressa
;
pariu
rel iyua tars is t ib i isque lon gi tudine zqiialibus,
unguibus rectis, eloilgatis,
qua d r a t
is, Iongi tudinal i ter sulca-
tis,
acu t i s
ad
apices terct ibus
n u d i s
(pubticis obscure sub-
conipressis) . Abt loi ) ie i i M A K I S ar t icu lo p r i m o t rmsvcrso, l ine-
ari , secunclo du pl o longiore, tertio
valde
elongato
wpicem
ver-
sus angus t io re ap ice su brecto , quarto subqt iadrnto angul is
ant icis product is , qui t i to lageniformi apice acut iss i rno
;
FG-
M I N E art icul is 1 , 8 ,
3,
4 e t 5 transversis longitudine
v i s
di-
vers s, a r t c i 1o
ses
c)
transv1
rs o-
1
iia tl rato
a n i
c
c
c
n
a rg n a 0,
a r t c i
o
ii 1 i r i io el
o
nga
t
0-s
u
b
t I’
i ang i1ar
i
post ce s ii tI 1)
rod
u c
t
0.
Testu sii bcircularis latc ribus sensini postice i n augiilurn conver-
gent ibus post ice t runcata et granulari -niargi i iata . Oculi
pe-
dun cu lo angust io res ; orbitn pos t ice ex terne
fissuris duabus,
in-
fernc
e x
erne fissuril unh.
S U J J D I V I S I O
2.
A n t c n m simplices, inccliocres. Pedicin parin 2,
3
e t
4
consirnilin, ~ 1 -
gtiibics crctitis
;
a r
quintuiri
compressiina,
nata torium.
Gen .
5.
P O R T U M N U S .
C A N C E R , lanci,
Penn., IIerbst.
Oculi
p ed u n cu l o
liaud
crassiores
; orbitn
integra.
Pedum
par
an-
ticuiii
q u a l e
;
paria.
2,
3
e t
4
unguibus
coinpressis in te rne que
basin versus dilatatis
;
par quirituin un gue foliaceo, coiiipresso,
lanceolato . Abdomen nrsnIs ar t icu lo qua r to e longato . Testa
diametro transverso longitudinalem tsequante.
Spec. 1.
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314
Dr.
LEA C H ’S
4rrangenie?it
of
the Crustacea,
c.
Spec. 1.
Porturnnus
uariegatus.
P.
tes ta obscure subgranulatA, u tr in que 5-dentatA dent ibus 2 et 3
subobsoletioribus ; ronte 3-den tat&; nrpis in ter ne unidentatis.
Por tu rnnus ra r iega tus . Leach,
E din . E n cy l .
vii.
391.
--,
2lIulac. Podopli th.
B r i t. t .
iv. d e t $ ,
Cancer latipes variegatus. Planc. de Conch. min. notis, p . 34.
tab. jij.3g.
7.
B.
C.
8.
Ca ncer lat ipes .
C an ce r
Lysianassa.
Habita t
in l i t toribus arenosis B ritannia= vulgatissime.
P e n n . Bri t . XooE.
iv.
p . 3. tub. 1. jig. 4.
? .
Herbs t
54.
j ig .
ti?
Spec .
2 .
Porturnnus monodon.
P . test$ obscure subgranulatA, lateribus u trinque unidentatis
;
frontc t r idcntat i i ; carpis in terne unidentat is .
H a b i t a t
Mus. Brit.
pert inere videtur.
Ad hoc
genus
Cance r l a t ipes Merbst (i.
267. ab.
xxi.
j g . 126.)
G e n .
6. C A R C I N U S .
C A N C E R
uctoruna.
Ocrcli pedunculo angust iores ;
orbita
postice e t inferne unifissa.
P e d u m par
anticu iii inaequale niani bus ext ern e glabris
;
par
post icuni conipressuni , subnatatorium. Abdomen M A R I S arti-
culo
qu ar to t ransverso pra xede i i te v ix angust iore.
Tes t a
(dia-
met ro t ra ns verso
s
u bniajore) u t rin qiie 5 -d en ta
a.
Spec.
I. Carcinus
Manas .
C.
test4 granulari
;
f ron te t r iden ta t%
;
ateribus 5-dentatis.
Ca ncer Maenas
auctorum.
Gen. 7.
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D r .
L E A C H ’ S
rrangement
o f
the Crrtstacea,
&.
3
15
Cen. 7.
POI’LTUNUS,abr., Latr . , Bosc, 2jc.
Octtli ycduirculis multo crassiores ; orbitn postice fissuris duabus,
inferne e st erne fissura unicA.
Abdorrie7~
M A I C I S articulo quarto
transverso. Pedrinz pa r anticum subinzequale, manibus e x t e r n c
elevato-lineatis, brachiis szepius incrmibus ; par posticum conr-
pressum, natatoriu111 foliaceuin.
Testu
(d atrietrc) transverso
submajore) utrinque 5- (rarius 6-) dentata.
*
Ungzies
postici lined elevatd longit
udinali
;
alporum geminorion
esternorum caulis iiiteriii articuliis secundus ad apicem internurn
t r m c a t us.
a . Orbita interne ad oculorum insertionem imperfecta ; arpis
Spec. 1. Portunus puber.
P.
antennis corporis dimidio Iongioribus, test%pubescente, fronte
Cancer pu ber. Liiin. Cancer
velu
tinus. Peiiii Portunus pu-
Habitat
i n
ocean0 Europze.
bidentatis.
ni
u l tiden a 0.
her. Latr.
b. Orbita interne subimperfecta ; carpis unidentatis.
Spec. 2.
Portuntts
corrugatus.
Y. es t & convex&, ineis transversis serrato-granulatis ciliatis utrin-
que 5-dentatis
:
dentibus tribus posticis acutioribus, fronte tri-
lobo,
lobis subgranulato-serratis: medio majore subacuminato,
mani bus supra unidentatis, unguibus posticis apice acutis.
Cancer corrugatus. l ’ e ma n t ,
Herbst,
Portunus corrugatus.
L e a c h ,
Edin.
Encycl.
v i i .
390.
Hubitut i n Britannia rarissime.
M u s .
Montagu, Nost.
V O L . XI. 2 r
Mr.
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316 Dr.
L E ACII ’S
?wmgernent
of
the Crnstacea,
c .
RIr.
C. Prideaus sent me the young of tliis species f rom the Ply-
moil
th Sound.
The
fissure
in the under part
of
tlic orbit is wide enough to ad-
mit a knife ;
n
the
two
following species
the
sides of the fissure
touch
each other.
Spec.
3. Portunu s emarginatus.
P.
testA convexiore lineis abbreviatis e granulis conipositis, den-
tibus tribus utrinque : penultimo minore, fronte emarginato,
manibus supra unidentatis, unguibus posticis acutis.
Portunus emarginatus.
Habitat ad Danmoniae littora, semel obvius.
Mus.
Nostr. 9 .
Abdomen
F ~ M I N Xatum, tenuk ciliaturn, angustius q u a m in
P. Depuratore,
articulo penultimo minus arcuato, ultimo
an-
gustiore, acutiore, secundo tertioque minus carinatis, quarto
vix carinato.
Spec. 4.
Portzinus arcuatus.
P. test& convexiore lineis abbreviatis e granulis con1 positis, denti-
bus utrinque tribus
;
penultimo minore, fronte arcuato integro,
manitus supra unidentatis, unguibus posticis acutis.
Leach, Eclin.Encycl. vii. 390.
Portunus arcuatus.
Test;e fronte arcuato iutegro,
a
Portuno emargiriato tantum
dif-
Habitat
i n A n g l i z
mari rarihs.
Rlus. Sowerby, Leach. 8.
** Ung ues postici ecostati; pa lporum geminorurn externorurn ca di s
interni articulus seczcndus ad latzrs internurn ernarginatus; rbitu
in t ern2 sub a nte nn a externa insertioile inzperfecta.
Leach,
Eclin.
&ncycZ. vii. 390.
fert ; forte varietas
?
Spec. 5 . Portunus marmoreus.
I?. test%convex%obsoleti: t e n d granulata, utrinque dentibus quin-
ciue
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Dr.
L E
C II 'S
Ar~angernent
f
the
Crustacea,
4.c.
317
que
subaequalibus, fronte del i t ibus t r ibus aq ua l ib us apice
rotundat is , m anibu s glabris sup ra unidentat is , tars is posticis
apice acut ioribus .
Cancer
p i m a t u s
marmoreus. IVIontagu,
Mss.
Por tunus
marmoreus.
Habitat ad Dannionize Australis l i t tora frequens.-Detesit Mon-
Abdominis articuli
2
e t
3
ransversitn carinati .
Leach,
Edin.
Eiicycl.
vii.
390.
__I Malac.
Pocloplitli. Brit.
tub. vi i i .
t a p .
Spec .
6.
Portmiis
Depuratos..
P. tes t$ subc onipla nat& ineis elevat is obl iquis e t t rai isversis ab-
breviatis e granul is composi tis , u tr in que dent ibu s quin qu e
:
se-
cundo breviore :post ico subremotiore, fronte dent ib us t r ibus
:
medio su bacu t iore sub long io re , man ibus s upr a un iden ta t i s ,
tarsis posticis api ce acutioribus s z p e
su
hemarginatis.
Cancer D epura to r .
Cancer depurator ,
var.
Yorturius depurator.
Fab.
Sup. Ent. Syst.
Habita t
in ocean0 Europceo freyuentissime.
Ab d o me n
N A R I S
t r iangulare ;
F G A I I N Z
Iatum, lat e ci l ia turn , ar t i-
culis
3,
4, e t
6
basi1arit)us latioribus, pen ultitno laterib us ar-
cuat is , u l t im o przccedcnte a br up tc angust iore.-Abdominis ar-
t iculi
2-3 in
utroclue sexu (maris praesertim) transversini ac ut e
car n a s.
Linii. Syst. Nat. xii. 1043.
23.
Pub.
Ent. S p t . i i . 451.
44.
I e i i i i . Brit. Xool. iv. tab. iv.jg. 6.
A.
Spec .
7. Portuiius lividus.
P. testt i cornplanat&
enu i :
s u b g ran u la t 2 u t r i n q u e d en t i b u s q u i n -
q u e
:
secuiido subbreviore : post ico remotiore, fronte dent ibus
t r ibus acu t i s
:
nedio longiore, man ibus sup ra unidentat is , tar-
s is posticis apic e ab ru pte producto .
2.1.2
Cancer
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320
Dr. Le
A C I I ' S
Arrangernewt
o
t h e
Crmtacea,
l j c .
plicia.
urc11a
t0.
Tes ta
transversa, mnrgiiie un
tic0 in
lineam semiellipticam
Gcn. 10.
C A X C C I : .mtoruin.
A n t e i m e esterna breves, inter oculornin cantliuni internum
et
frontem insert= ; nterne clypei niedio in foveolis receptze, pe-
dunculo s u blunari. PaZpi gemini cxterni caulis interni articulo
secundo ad apicein in ternuni emarginato. Testcr postice
mar-
ginata : orbitn postice fissurb unic& est ern e uniplicat%, sub-
tus fissurh unicb et externe uniplicata.
Pedunz
par anticum
i
n
;equ
a1 e
.
Spec. 1. Cancer Pngurus.
C.
testb granulat ii utrinque novernplicatti, fronte trilobo.
Cancer pagurus auctorum.
Gen.
11. S A N T I I O .
C A N C E R ,l fontagzi , (I ler bst ?)
Aiitesaiza ea . te i* i iebrevissimae, in oculorum can tho interno insert= ;
i n t e rne sub clypei prominentis margine ant ico foveolis receptse,
pedunculo sublineari. Pedipalpi gemini externi caulis interni
articulo secundo ad apicem internuin emarginato. Testa
pos-
tite subniarginata. Orbita supra integra inferne externe
fis-
sura unich.
Peclirin
par
anticum ini~ quale .
Spec. 1.
.Xan tho jo r i c la .
X .
carpis supra bituberculatis, test& utrinclue dentibus quatuor
ohtusis
:
interstitiis escisis, digitis
nigris.
Canccr floridus. ,WontagzL, Trans. Liiris. SOC.s. p. 85. t. 2. jg. 1.
l'ar.
p.
Digi tis concolori
bus.
Habi tat in Danrnoniae Australis littora passim.
Mr. RIontagu has considered this species to be
t he CancerJo-
ridus of
L i n n 6 ; but an exaniination
of the
characters in the
Amanitates
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594
Dr.
LEACH’S
r rangement
of
the Crustacea,
4 c ;
D I V I S I O
IV.
Abdomen in utroque sexu 7-articulatuin.
Peclum par anticum &-
dactylurn : ar quinturn saltem dorsale.
S U B D I V I S I O 1.
Pedum p a r
quinturn
dorsale.
Oculi
yedunciclo biart
iculato.
Gen.
80.
H O M O L A .
Testu elongato-quadrata, fronte sub-producto.
Oculi
niagni
sub-
globosi,
pedunculo
eloiigato
biarticulato, articulo secundo
bre-
vissimo pritno abrupte crassiore. Antennce e x l e r n a i n fra oculos
insertae, articulis duobus primis valde elongatis pr iu io crassiore;
interna intra orbitas insertae, et in oculorurn cantho interno re-
poneadz.
Ped ipn lp i gernini e x t e mi
caule
i n
terno
articulis duo-
bus angustis, elongatis, articulo secundo
ad
apiceni palpigero;
palpi
triarticulati utrinque hirsuti, articulo p r i m o breviore.
Pe-
durn paria 2, 3 t 4 consirnilia, unguibus compressis, acutis in-
terne spinosis instructa
;
par
quintuni
do~sale
nonodactylum
ungue spinuloso breviore,
tarso
brevi interne spinuloso.
Spec.
1 . Hcmoltr spinijrorrs.
11. test$. antice spinoss, lateribus antice spinulosis, femoribus
Hu
bitat
Mus.
britann.
Pedutn
paria
4
et
5
dorsalia.
posticis interne trispinosis.
S U B D I V I S I O
2.
Oczcli
peclui tcdo simplici.
Gen. 21.
DO~CIPPE.
Ped+aZp* gcmini
esterni articulo primo interno
dilatato,
articulo
secundo
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D r .
L E A C H ' S
rrafigetaewt
sf
the
Crwtacch,
&.
925
secundo angusto et ad apicem palpigeri. Testa s ubtriangu-
tari antice truncata. P e d u m paria 2 et
3
consimilia, unguibus
elongatis subquadratis, simplicibus acutis: paria
3 et 4 breviora,
dorsalia, monoclactyla. Antenne
esteriores
supra et intra
oc-*ilos
insert=, articulis duobus
primis
longioribus ; nteriores in tra e l
infra
oculos insert=.
Spec. 1.
Dorippe quadridens, Latr .
Gem
22..
DROMIA.
Pedipalpi geiniwi es teru i
biarticulati articulo secundo sublatiore.,
breviore
ad apiceni
internum palpigeruni. P e d u m paria
et
3
simplicia
;
4
et 5 didactyla, breviora. Antenng eateriorw in-
fra
oculos insert=
;
articulis duobus primis majoribus, reliquis
abrupte crassioriblcls; nteriores i n f r a oculos internuin
versus
inser
ae.
S4VISIO v.*
Abdomen
in
utroque sexu 7-articulatum.
Pedum
par
anticurn
didactylum
;
paria
2,3 ,4
et
5
siniplicia, consimilia.
Testa tri-
angularis, antice rostra ta (Antennae interiores
in
fossulis
$08
sostro
reponendce.)
S U B D J V I S I O
1.
Digiti dejleni.
CANC R, Pennunt.
Anteniace ex tern= articulo primo secundo breviore.
GCn. 23. E U I t Y N O i .
Testa
verru-
cosa,
rostro laciniis divaricatis.
Pedes
antici maris valde
elonga .
Spec. 1. Eiirynome aspera.
E.
pedibus anticis femoribusque tuberculatis, testa dorso tuber-
* haU merely treat of
t he
indigmous
genera
of tliis
division.
2 u 2 CUIHS
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588
Dr.
LEACH ^
Arrangement
of
the Crusfasca,
&z.
Spec. 2. Pi sa nodipes.
Leach,
Zool.
Miscet .
uol. i i .
t ab .
78.
1’.
rostro horieontali, femoriim apice brachiisq
ue n o d o h
Pisa nodipes.
Mus. Britan.
I I d i t u t ?
+f-
Tes t a
villosa
later ibus spz’nosis.
Spec.
3.
Pi sa Te t raodon .
P.
test% ateribus utrinque 6-spinosis
:
spinis d u a b u s
minoribus;
Cancer tetraodon.
Cancer
Praedo.
Maja tetraodon.
Blastus tetraodon.
H a b i t a t
in Angliae australi-occidentalis mar;.
q u
at
1or
m
a jori
bus
.
Penn.
Brit. 2’001. iv. 7.
tab .
viii. j ig. 25.
Herbs t ,
t a b .
xlii.
jig. 2 ?
BOSC,i s t . N a t . d es Crust .
i. 254.
Leach, Edita. En cycl.
vi i .
431.
Ad hanc sectionem forte pertinet
Maja
armata, L a t r e i l k .
**
Antennae externce articulo
primo
externe dilatato.
Gen. 26. H Y A S .
C A N C E R , erbs t .
INACIIUS,abr.
T e s t a
elongate-subtriangularis,
subtuberculata, lateribus pone
oculos hastato-productis ; rastro
fisso
laciniis approsimatis.
An te nn a externce articulo primo dilatato secundo longiore. Ye-
dipaZpi
gemini externi articulo secundo ad apicerri in te rnurn
emarginato.
Sp e c . 2. IIy as araueus.
h i A J A , B O S C , L a i r .
H. testa processu hastiformi postice tuberculato.
Cancer araneus.
Lha. spt. N u t . 1044.-Fn. Sv. 493. 2030.
Cancer
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DP.
EA
11's
Arrmgement
of
the Crustaceit,
&.
329
@acer Bufo. Herbs t ,
i.
242. tab.
xvii. j ig .
59.
Inachus
araneus. Tabr. Sup.
E n t . S y s t .
356.
Hyas araneus.
Leach,
Eclin.
E q c l .
vii.
431.
Habitat in niari Scotico vulgatissime, i n mari Angli3e rarior.
Cancer araneus. Peizn. B r i t . Xool. iv.
tab.
ix.$g.
16. an distincta
species ?
Spec. 2. H y a s
coarctntus.
H. test% uberculatti lateribus coarctatis, processu hastiformi pos-
Habitat i n riiari Uritannico; apucl Frith of Forth, Plymouth
tice valde dilatato inermi.
Sound et Salcombe.
D I V E S 1 0
VI.
Abdomei, in
utroque
sexu
6-articulaturn. Pedes
duo antici di-
dactyli; paria 2,
3, 4 e t 5
consindia, gracillima, simplicia.
Testa
triangularis ant ice rostrata.
A n t e n n a interna in
€ossulis.
sub clypeo receptae.
S U B D I Y I S I O 3.
Oculi retractiles.
Gen. 27.
J N ACHU S ,Fabr.
C A N C E R ,
erbs t ,
P e n n .
M A J A ,
B O S C , atr .
Testa parce spinosa, spin6 utrinque ad latera oculos retractos pro-
tegente.
Ocltli
distantes pedunculo
vix
crassiores.
Pedipalpi
gernini externi
caulis interni articulo srcundo ad
apicem
inter-
num truncato. A n t e m a e x t e rm articulis t r ibus basilaribus
crassiori
bus. Yedurn par secundum sequentibus crassius,
Un-
gues curvati.
Spec.
1.
Inachtiu Dor settem is.
1. rostro
brevi
eimrginato, clypeo infra i n spinam product0
testa
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testc‘l antice tubesculis quatuor parvis aqualibus transversia
tlisposi
t i3 : deinde spinis
t r i b u s (antick
dorsali
validiore);
postea
spinis t r i h u s validis acutis
(niedi&. zepius
majore acutiow)
lineam subrecurvam dc.linicntibus, niargitie postico tuberculi8
d
u
obt s 1 istan
i
h
u6 ob s o k is.
Penn.
Bri t . Zool.
iv.
p .
8. p l . i x .
A. .fig.
18.
ancer Dorsettensis.
Cancer Scorpio.
I‘czbr.
Sp.
Ins.
i.
504
,Gmcl
rS:I/st.
N at . i.
2978.
IIet*bst , .
937 , 130.
I n a c h u s
Scorpio.
Fabr. Ei i t . Syst. Sizppl.
558.
3l; lcropi is
Scorpio. Lufr.
i’ist. Nut c/es Crust . cf cles 111s.i 11.
1m
X l a j a S c o r p i o .
I<osc, IJist.
Nut .
des Crust .
Tnaclius Dorsettensjs. L e a c h ,
Edin .
Encycl.
vii . 431.
H u b i t a t
i n
Britaiinix
niari.
- - 9 &falac.Po$oplith.Bri/. t.xxii.f. 1-6.
Spec.
2.
Inncliiis
D o r i ~ t ~c h u s .
I. rostro hastiformi fisso, testa antice spinis tribus t r iangulum
de l in icn t ibus
:
posticii majore
;
deiiide tuberculo utrinquo
;
po-
s
eit t u
i,erc u l s q u
n
q i ie
t
ri
1,
us
rned
ii
s appro s 111ii t s ob u s iori-
bus i n triaiiguluiii
dispositis ponc lateralia et cuin illis liiieam
re rorsu 111 i i r c ~ i a t i i d el t i
ie
11
ti b
us, m argi tie
post
ico t u bercul is
d
uo
11 u s d
is t
antib
us
ohsolet s.
Cancer Plialangium.
Inachus Doryiichus.
Fubr.
Ent .
Sysf.
ii.
4-63,8 i ?
Leach,
l c lh i .
Ericycl.
v i i .
431.
I_ , Maine.
Podophth.
Bri t .
t .
xxii.f. 7,8.
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Dr.
L E A C
i's
Arrangement
of
the
Crustacea,
$c.
331
G e n . 28.
R ~ A C R O P ~ D I A .
l \ i l A c RoP u
S
Lat r .
T N A C N U S , Fubr.
M A J A ,
Bosc.
C A N C E R , enn., IIerbsl.
Testu
parce spinosa, rostro lougo fisso. Ociili distantes su breni-
formes pedunculo multa crassiores. iliztennce ezterne corporis
dimidio longiores, art iculo secundo primo triplo longiore. Z'edi-
p l y i
gemini externi
tenues, caule interno biarticulato, articulis
longitudine subzqualibus. Palpi hirsutissimi, articulo inedio
breviore, tertio primo paululum longiore. Ungues 4 antici
ad
apicem arcuati, 4 postici ad basin abrupte curvati.
Spec. 1 . Macropodia
Plhalangium.
R1. rostro acurninato antennis multo breviore, test% pone rostrum
tu berculis duobus triangulum delinientibus : postico majore,
brachiis interne subscabrosis hirsu tis.
Cancer phalangium.
Macropus longirostris.
Macropodia longirostris.
Habit a t i 1 es
t
u ar is
I3
ita n
n
i
~
v u
1
gat ss ne
.
Pem. Brit.
ZZboZ
iv.
Latr.
Gew.
Crust .
c t
Ins .
i.
39.
Leach, Ediii. Encycl. vii.
395.
Zool. Miscell .
ii. 18.
Spec. 2.
ilfacropodin tenuirostris.
11.
rostro longissirno tenui, antennis rostro vix longioribus, testb
pone rostrum tiiberculis duobus spin%queunicA in triangulum
dispositis, brachiis interne spinulosis.
l lnbi ta t in Angliae occidentalis niari profiindo vulgatissirne.
Cfen.
29.
LEPTOPODI-4.
I N A C I Z T S , h .
M A A , .Latr.,
Bosc.
cA N I R ,
fIWbSt.
VOL.
XI.
2
x
Tevtu
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D r .
LE
CI I 'S
Arrangement
of
the
Crustacea,
4 c
333
D I V I S I O VIII.
n l b t l u r i ~ e u
( in
ut roque sexu ?) 5-art iculatutn .
T e s t a triangularis
antice rostrata.
Gen .
31.
PACTOLUS,
each.
I N A C I I U S , d r .
?
Testa ha ud spinosa, ro stro longissirno integro.
Yedes
mediocres ;
paria 1 , Z
(e t 3 ?)ung ue s implici ins tructa, p aria 4 e t 5 didactyla.
(Abdomen
FCERIINIE 5-art iculatuni , ar t icu lo pri ino angusto ,
2, 3
e t
4
transverso-linearibus,
5
amplissiriio, subrotundato.)
Spec . 1. Pactolus
Boscii.
P.
rostro utrinque spinuloso, pedibus ciliato-punctatis.
Hubitat
?
M.us. Britain.
An
sit
Yabricii
Ina ch i sag i tt a r ii
sexus
a l te r
?
D I V I S I O
IX
Abdomen
in u t roqu e sexu c luadr ia r t icu la tum.
Antennce externz
minutiss ini~e.Pedipalpi
gerniui esterizi
cau le in te rno acum inato .
C e n .
32. L E U C O S I A ~ .
L E U C O S I A ,
Fubr., Lair . ,
uosc.
C A N C E R ,Lim., Herbst,
&font.
Testa ro tund ata a u t rhon ibo ida l is an t ice subprod ucta . Pedipalyi
genlini
e s t e m i
caulis
i n
terni ar t icu lo sec undo s implici .
Pedurn
par anticurn dliis dis tinc te crassius.
O h . 1-Iocgenus
claborandurn.
L Ad hoc gncniis pertinent species indigence Cancer tuberosus Penn. Brit.
Zool.
vol. iv.
et C'nucer
tumefactus,
Montugzi, Trans. Linn. SOC. ol.
ix.
2 x 9 * Pedipni'pi
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334
Dr.
LEACH' S
rrnngeinent
qf
the Crtrstacen,
&.
*
Pedipalpi gemini eztelrni
c a d i s
externi articulo secicndo
externe
dila
t a
0.
Spec.
1.
Leucosia anatunz.
Herbs t ,
i . 93.
t ab .
ii.
jig.
19.ancer anatum.
%*
Pe dip alp i gemi ni est ern i caulis externi artic ulo secicntlo
s u b l i n e a k
Spec.
2 .
Leucosia cmniolflris.
Cancer craiolaris.
I l e rbs t ,
i.
90. t ab .
ii . j g . 17.
Gen.
3%
I X A .
C A N C E R ,
erbs t .
LEU o s A ,
Latre i l l e .
Testa transversissinia, su bcylindrica, multo latior q u a n l longa.
Pedipalpi
gemini externi
caulis interni articulo secundo exca-
vato. Pedum par anticum aliis vix crassius.
Spec.'
1.
Ix a cy l indrus .
I. test% icanaliculatti lateri bus scabris spin& terminat&
Leucosia cylindrus.
L a t r . H i s t .
Nut.
des C rus t . e t des Ins .
vi. 119.
Cancer cylindricus.
H a b i t a t
in
mari Indico.
Herbs t , i.
108.
ab. ;;.Jig.
29.
30.
31. d .
Ordo 11.
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Dr.
LE
C
11’s
Arraigemeii t
cf
the
Crustacea,
&.
335
Ordo 11. ~ ~ A C R O U R A .
This order contains
t h e
families P q i i r i i , Palinurini, Asfacini ,
and Sqetillnres of Latreille.
S Y N O P S I S G E N E R U M .
A.
Cauda utrinque appendiczdis simplicibus nec nd ut ori is nec ol iaceis.
DIVISIO .
Pedes
10,
pari antico majore didactylo.
Genera.
1. PAGTJRTJS.
2.
BIRGUS.
Abdomen membranaceuni ; auda triart iculata.
Abdomen crustaceum
;
auda biarticulata.
B.
Cauda utrinque appendicibus oliaceiv, pinn amj abe llro rm em effor-
a. An te nn a inlcriores pedunndis
longissimis.
DIVISIO1. Antennae exteriores squamiformes. Pedes
10
consimiles,
rnan t ihs .
simplices.
Pedes pos tici tars o infra
in
indicem producto.
nas exteriores inserti, haud marginales.
Pedes postici tarso simplici.
serti.
Oculi pone anten-
3. SCYLLARUG.
Oculi
ad
thoracis angulos anticos in- 4.
THENUS.
DIVISIO
11. Antennae exte riores setaceae, longissimae. Ped es 10 5.
I’ALIXWJRUS.
Divrsro
IV. Anteniiae exteriores setaceae longissima. Pedes 10, pari
Pedipalpi gemini externi caulis interni articulo primo interne dila-
Pedipalpi gemini exteriii caulis interni articulo primo simplici. Testa
consiniiles, simplices.
3IlticO didactylo, pari quin to spur io-
tato. Tes ta orbiculato-rjuadrata.
ovata.
6. PORCRLLANA.
7. GALA THE^.
b. An te nn a interiores pe d un di s mediocrilrus.
Dlvlsro V .
Caud a lamell$ exteriore simplici. Antennae in eadem
line& horizontali insertae, interiores setis duabus, exteriores sim-
plices. Pedes
10.
Pedes duo antici didactyli pollice abbreviato.
Pedes quatuor antici didactyli, pari te rtio monodactylo.
Pedes quatu or antici didactyli, pari tert io simplici.
S. GEBIA.
9.
CALLIANASSA,
10.
Axrus.
Dlvls lo VI.
Caud a lamellb exteriore bipartith. Antennae in eadem
lin el horizon tali insertae, interio res setis duabus, exteriores pe-
dunculi
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D r .
L E A C H ’ S
rrangement
of
the
Crustacea,
c .
337
Ordo
11. M A C R O U R A .
D I V I S I O I .
Cauda
utrinque appendiculata, appendiculis nec foliaceis
n c c
Pedes 10, par anticum inajus didactylum ; pariaatatoriis.
2 et 3 ungue valido instructa.
Gen. 1. P A G U R U S ,d r . ,
Lcrtr.,
4 c .
GANCER ,
Linn . , Gmel .
A S T A C U S ,Y e n n .
Aiitenizce
articulo secundo
ad
apicem
sup r a spinA niobili
instructo.
Abdomen njembranaceum. Cauda triarticulata crustacea, arti-
culo secundo utrinque appendiculato.
Pedes
quatuor postici
spurii, breves, didactyli.
Spec.
1 . Pagurtts Bernlinrclus.
Pagurus Bernhardus
auctorum.
Gen. 2. B I R G U S ,
P A G U R U S ,abr.
C A N C E R ,
Linn .
Antenna
articulo secundo cristato.
Abdomen
crustaceum, C w d a
biarticulata crustacea, articulo primo utrinque appendiculato.
Peduila
par
quartuin didacty um
;
par quintum (didactylurn ?).
Spec.
1.
Birgris
Latro.
B.
testh antice
rostro
acuminato simplici.
Cancer Latro.
Cancer
(as tncus)
Latro.
Herbs t ,
ii.
34. tab. xxiv.
Pagurus Latro.
L h n .
Syst.
Arat.. 1049.
Lntr.
Gen.
Crust. e t Ins.
i.
46.
D I V I S L O
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335
Dr.
L E
C
TI ’ S
Arrangement
n f
the
Crtrsirrcen,
&.
D I V I S I O 11.
Cauda utrinque lainellis duabus foliaceis pinnani flabelliformem
efformantibus. Oculi distantes. A n te iz m ii iteriores peduiiculis
longissimis ; steriores squamiforines. Pedes decem consiiniles
ungue simplici instructi.
Gen. 3.
SCPLLARUS,abr., Latr . , &.
C A N C E R ,
Linn.
Pedes
postici tarso infra in pollicem producto. Tf i oras
convexus,
su
blinearis. OcuZi pone antennas exteriores inserti.
Spec. 1 .
Scyllarus arctus.
L n t r .
G e n .
Crust . e t Iiis. i .
47.
Cancer arctus.
Scyllarus arctus.
Linn.S’st. N o t . 1053.
Gen. 4. T H E N U S .
Pedes postici tarsis aliis consimilibus. Thorax subdcpressus
an-
tice latior.
Oculi
ad
tlioracis angulos anticos inserti.
Spec. I. Thenus Indicus.
T.
antennis serratis, thorace granulato cariliato trispinoso,
ab-
Habi ta t
in niari Indico.
domine granulato : granulis transversiin digestis.
D I V I S I O 111.
Cauda
utrinque lamellis duabus foliaceis flabellurn eff‘ornian ibus.
Antennce interiores
pedunculis lon-
Pecks decein consi-
O c d i
basi approximati.
gissitnis ; xterioves setaceae, longissimx.
miles, ungue siinplici instructi.
Gea. 5.
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Dr.
LEACH’S
rrangement
of
ihe
Crustacea,
c.
339
Gen. 5. PALINURUS,ald., Fabr., $c.
CANCER,
Linn.
ASTACs,
Pennant.
Spec. 1. Pnlinurzts
Hornarus.
Astacus homarus.
Pennant, Br i t . Zool. iv.
D I V I S I O
IV.
Cazicla
utrinque lamellis
duabus
foliaceis
Aabellum efformantibus.
An telin& interiores pedunculo longissirno
;
xteriores longissimae,
setacex.
P e c k s
decem ; par
anticum
majus
didactyluni
:
par
quintum spuriuin.
G en.
6.
PORCELLANA,
am., Latr. ,
BOSC,
c.
CANCER,
inn.
PedipaZpi
gemini externi caulis in terni articulo primo interne dila-
t a t a Testa orhiculato-subquadrata
Spec. I.
Yorcellana
platycheles.
Cancer platycheles.
Porcellana platycheles.
Yennai i t, B r i t . Zool.
iv.
6.p l . 6. and
12.
Latr . Gen.
Crust.
et Ins. i.
49.
Gen. 7.
G A L A T I I E A ,abr.,
Latr. ,
&c.
C A N C E R , inn.
AST c s, P e n
nai l
t.
I’edipaZpigei~ziiiz’
.z.fer.ni
caulis
interni articuh
prinio
interne haud
dilatato. Testa ovata.
*
rLostrii?a
t i c i iminutzu~ , c i i tu in ,
ut rin qw 4-spinosum.
Pedes antici
compressi.
Abdonieii
segmentis luteraliter obtusis.
Cauda lame112
in le imedid triangzdari apice emarginata laciniis apice rotundatis.
Antet ine
iiiteriores ped unculi articulo primo trispinoso.
V O t . XI. 2 Y
a. Pedi-
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340
Dr.
LEACH'S
rrangement
of
the
Crustacea,
(5.c.
a. Pedipalpi gemini exte rni caulis interni articulo secuiido primo longiore.
Spec. I. Gakrthen
s q t i r im i jk w .
G .
pedibus anticis graiiulato-squaniosis, iiiaiiibus externe carpis
Cancer
(astaczrs) s q
u a
m i
fer.
Galatliea
squani i fera.
L c ~ i c l i ,
clin.
Encycl. vii. 39s.
I I d i t a t
in
A i i g l k
occidcn talis inari vulgatissi~ne.
brachiisque interne spinosis.
Mo i i t
agii,
JJss.
-- ,M a l a c .
Podophth.
Bri t .
tab.
xxviii.
A.
Spec. 2.
Gakitheu Fabricii,
G . pedibus anticis gr.anulato-squamosis, m an i b u s estctriie sub-
serratis,
carpis
brachiisque iiitcrnis spinosis.
Habitat
M U ~ .rit.
sq uamijera.
T h e fingers of
tlic
fore-feet are more bent than
in
Galathen
b .
Pedipalpi gemini ex terni caulis interni articulo primo secund o longiore.
Spec.
3.
Galatiien spinigcr~i.
0 .
pedibus anticis subgl .anulato-sclunmosis
supra
et utriiique spi-
Astacus strigosus-f-.
nosis, brachiis externe i n e r m i b u s .
Pcnn.
Brit.
2001 . iv. 18. pE.
14.
H e i - b s t ,
tub. s s v i . j ig.
2.
?. Alia
el distincta
species
est Cancer slrigoszis
LinntPi, 211 hmc
indicant u e r h .
''Tho-
r a s
obovatus margiiie utrinque spinis octo aeuminatis a n t r o r > um porrectis ciliatis, dorao
rugis iiunierosis antrorsum iiiihricatis. Cl iel z oblongae, de pre s i s , ninrgine aciileatae, supra
scabrc, subtus
quasi scliianiosE; pedes apice rubri."- Fn. Sv.
036.
''
Brnch ia introrsum
aculeata
; l ielz oblongae, margiiie aculea tz, latere superiore
antrorsuin
imbr icata scaliritie
ci1inri. -Syst.
Nit.
1053.
G
i\ 1 1 t 11C i t
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Galathea strigosa.
Fob,.. Eiit. Syst. ii. 471.-Suppk.
414.
La t r . G e n .
Crust.
e t I n s . i . 49.
L e a c h ,
Eclin. Encjcl.
vii.
398.
,Malac . Podophtii. Brit. t.
xxviii .
B.
Hubitat
in mar i Europxo vu lga te .
*
Rostrum
elongat
um spiniforme, basi ntrinque bispiiaoso.
Pedcs
antici
siibcylinch*ici.
,.dbdornen
segmentis late?*alite?*cutis. Caiicla
lainelld intemeclid
transverso-quaclratd apice
subemarginatd.
An-
t e m e i nt eri ore s
peclunculi articulo primo
-spinoso.
(Pedipalyi
gemini e ,c t e tx i
cwulis
i i i t e r i i i urticrrlo pr imo secunclo longiore.)
Spec .
4.
Gulatliea rugosa.
G. pedibus ant icis in trorsum prz ser t im spinosis, ahd om ine
seg-
Astacus
Bamffius. Penn. Brit . 2’001.
iv. t.
27.
Ga lathea rugosa.
Fabr.
Siqip.
Brit. Syst.
415.
Uosc ,
I l i s t . A-at.
clcs
Crust.
La tr . I l i s t .
\ ( i t . cles
Crust. e t cles Ins.
v i .
199.2.
r i iento secundo ant ice
6-
tertio 4-spinosis.
Cancer
rugosus.
Gi i i c l .
S’st.
Xut.
Calatliea longipeda.
Gal a t h ea Eanifia. f m d i , Erlin.
Eticycl.
v i i . 398.
Gal a t h ea rugoja. L e a c h , Mul ac . firitan. tub. xxix .
f-lubitctt i n i n a r i b u s Eul-opi-coct Rteditcrraneo.
I . a m Syst.
cles
A I I ~ M .
iins Vert .
15s.
D I V I S I O V.
Cacida u
r i n q u e
laniellis
tluabas
foliaccis
f l sbc l lum
efformanti
bus,
lamellii estcriorc siiiii)Iici. i lnteiince i n e t d cn i fere lineA hori-
zontali i n s c r t x
;
i n t e r i o i ~ s etis
duabi is
; ezteriores
siriiplices.
P e
lcs
de
c
e
111.
A ninialia su bterranea, pedihus
variis
saepissiine spuriis,
C O I I I -
2 Y 2 Cen. 8.
pressi s.
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Spec.
1 . Calliaiiassa subferranea.
C.
processu rostriformi unicarinato apice rotundato.
Canccr (astacus) subterraneus.
Callianassa
su
bterranea.
Habitnt s u b
aren% d littora iiiaris ; n Danmoniti australi Iiaud
Cen.
10.
ASIUS.
Moontap , Lim. Trails. is.
.Leach,
Eth. Elicycl. vii.
400.
va 1d c iii frc 1u e n s.
dipa
p
ae 1u a1
lari.
A.
rostro
Pedes q m t u o r antici tlidactyli
;
a r
a?itic:iim
majus subinaequale ;
ynriu
S,4
et
5
coinpressa, ungue compresso instructa . Aiitenvza
in er o r es
p
ed u 11
cu lo t
r ar
c
u 1
at
0
art c
u 1o
pr
ino 1
o n g
ore.
Ye-
geniini
ext twii
articulis d u o b u s priinis s~blongioribus,
)us . Cazida lata , IaoiellR intcrmedih elongato-triangu-
Spec. 1 . Axius Stirynchus.
marginato medio carinato, thorace pone rostrum lineis
Habita t
in Danmonia: mari rarihs ;
apud
Sidmouth et prope
Ply-
d
u a h u s
elewtis
ab
breviatis postick eiilarginato.
niou t i his ohvius.
D I V I S I O VI.
Coircln utrinque
l amel l i s
dua bus foliaceis
flabellum
efhrmantibus,
IamellS, esteriore bipartits.
Antenvie
in e h d e m fere lineti Inori-
zontali inscrtx
;
interiores
setis
duabus
;
exteriores
pedunculo
articulo priruo a d apicern squaiiiA acu tQ iistructo.
I'etles
de-
cem, par anticutn i n o m n i b u s I I I ~ ~ I I S ,nwlua lc, <lidactylutn.
Ge n . 11.
Asr rAcus ,
F d r . , (fc.
Q c d i suhglobosi pedunculo l iaud crassiores.
.4nfci i , ice
e,zteriorzs
ped
u
n
c
u
1
i
a r t
c
u
1o
p
ri m
o s
q
11
a
in
A s
pi
n
form
i
ad
pc
d
ii
n
c
u
1
a
1)
i-
cern
h a u d
attingente.
I'edurn
c o re paris t er t i i
I.'(ZJI
I h - z ,
N A R I S quinti paris perforatz.
'* rf tdouiiiic
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344
Dr.
LEA C H ’S
rrangement
of
the
Crustnoeu,
8 c
* Abdomine segmentovum
lateribus obtusis.
Spec. 1 .
Astacrts
Gnmmarus.
Liiin. Syst. N u t . i . 1050.
Penn. Brit. Zool. iv.
Fabr. Suppl. Ent .
Syst. 406.
Latr .
Gen. Crust . et Im. i. 51.
Cancer Gam m aru s .
As tacus Gammarus .
Astacus marinus.
**
Abclomine segineiitorunz lateribus acut is.
Spec .
2.
A s t a c w
Jai iv id i l i s .
Liian. Syst. Nut. i .
1051.
Penn . Brit.
Xool.
iv.
Cancer astacus.
Astacus as tacus .
Astacus fluviatil is .
Fnbr. Sirppl. E n t . Sy t .
406.
Latr. Gen. Critst. et
h i s . i, 51.
Gen. 12 .
hTxprl
1 ~ 0 1 ~ s .
A S T A C U S ,ubr.,
&.
Oculi
ren i fom cs , peduncu lo abr up t e e t n iu lto c rassiores .
dntenrircc
esteriorcs
peduncu l i a r t i cu lo p r imo
sqnandi
ultra pctlunculi
apiceni
prodcunte.
Pedii in
co.z’a
F ~ : B I I N I L
aris
tertii,
M A R I S
par is qu in t i per fo ra tz .
Sp
:
c. 1.
A-ep
It
r o p Nor
v
cg c
i s .
Ca ncer n’orwcgicus.
Astacus Xorwcgicus .
Neplirops Sorvegicus.
L i i i i i .
Syst.
3
crt. i.
1055.
~ ’ c ~ I L .
r i t . Z o o l . i v .
Lurch, Etlin. E~licycl. ii.
D I V I S I O
VII.
Ca udci u t ‘
i 11
1 u e
1
a
11
cl is
t
1 11abu s fol
a
c e s A abell
u
ni eRor 11 1 ant i
ti
us.
AbcIonien
art i -
Pecks dccew.
rlnteniice
e~
tcriorcs
SquiiniA
niagn2 ad basin .
culo
sccuiiclo
iiifern2:
a n t i c k e t pos t icb producto .
S U B D K V I S I O
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D r .
LEACH’S
iu.nngenierit
o f t h e
Crustacea,
&.
345
S U B D I V I S I O 1.
Antenne esteriores
infra inferiores insert=
;
hteriores
setis
2
in
ea de ni IineA horizon tali inser t=.
Cauda
lamell$ exteriore
bi-
partitA.
G e n . 13. A T Y S .
Peclcs
q u a t u o r an t i c i z q u a l e s , art iculo ul t imo
fisso ; par
tertiunz
niajus, inrequale, adac tyluni , ungu e s in iplici ins tructuni ; ariir
4 et 5
siniplicia, ungue siruplici terminata.
Cauda
la ta ,
la-
m el k i n te rm ed ia ap i ce s u b acu m i n a t a , ro tu n d a t &
Sp ec .
1.
A t y s
scuber.
A.
rostro carinato t r i f ido:
dentc medio longiorc, pedibi is
sex
Habi ta t
M u s . Britann.
013s.
po
s c
s
s
cabr
is,
Pedes q u a t u o r an t i ci a r t i cu l o fisso pilosissimo.
S U T Z D I V I S I O
2.
Anteiziice
i n e& d em fere
l ine&
horizontali insert=
: interiores setis
d u a b u s
i n
e%dem l ine2 horizontal i.
Caudu
lamell8 exteriore
i in ipart i A .
AS T ACUS , em.
C A N C E R ,
Linn.
I’edmi par an t i c
u
m m
i
s,
i i i
a n
u
coni pressa
in
onod ac y A
a u
e
i r id ice spurio ins truct& paria 2
ct
3 tenuiora, d i n simplicia,
u n g u e terni inata ; par ia 4 t
5
subrobust iora.
Gen . 14.
C R A N G O N ,a h . , Latr . , cfc.
Spec .
1. Crangon uulgaris.
C .
thorace
pone
rostrum e t u tr inq ue unispinoso.
Cancer
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346 Dr.
L E A 11'sArrmigei~iei i t
f
the Crustacea,
&c.
Ca nce r crangoi i . Lilt?&.yst. N a t . i . 1052.
Astac us c rangon .
Peitnurlt, Brit. Zool. iv.
Cran gon vulgaris.
Fubr.,
Lrrtr., Bosc.
Leach, Edin. E i i c p l . y l .
921.
j ig.
5.
H u b i t n t in O ceano Europzeo vulgaris .
Spec .
2.
Crangon
sppirmus.
C.
thorace t r i car ina to : car inis trispinosis.
Hubi tu t
in Danmoni;le au str ali rnari.
semel observavi t Don]. C. P r ide a us .
M u s . No s t r .
Apud
Plymouth Sound
S D O D I V I S I O 3.
A n t e i t m
exteriores infra inferiores insert=
;
nteriores setis
duabus
una
super aliam insert$.
Caiictn
lamell& este riore unipart i t l.
* Palpi p e d i j b m c s npice spinulosi.
A Ldonieti
segnwiito tertio
supra
A n t e r i m interiores setd superiore infra escua-
ibboso proclzicto.
vntd.
Uizgues
spin ttlosi.
C e n .
15.
PANDALUS.
Peduin par
an t i cu m ad ac t y l u m ; par secunduin didactylum, in-
P a & pedif'oi*itiesar t icu lo ul tiiiio p cnu ltiino longinre.
quale.
Spec. I .
Paiidnlrrs
unmrlicorii is.
P. rostro niul t ic- leotato ascendente apice emarginato , antennis
Pan
d a1us a n
n
11 1 corn is.
Leuch, i l lu
t r
c. I'odoph t I t .
I it
. ub. xl.
Habitcit
in rnari Britannico.
infer is
1-11bro
annu la t i s in te rn&
spinulosis.
D c t e s i t D.
J.
Pleining.
G e n . 16. H 1 y P P o L w E .
Pedes
quatuo r an t ic i d idac ty li .
penu l ti 1110niul to b r e v i ~ r e .
Polpi pedijbritics ar t icu lo
u1tiir;o
Spec.
1.
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348
Dr.
LEA C H ’S
r rangement
of
the
Crustacecr,
&c.
S U B D I V I S I O
4.
Antenna
esteriores
infra
in teriores insertse ; izteriores setis trihus.
Cui ida lamell%exteriore unipartitA.
Gen. 19.
PALAZMON,
cibr., L a t r . , cfc.
A S TA C LTS ,
e n n .
C A N C E E , im.
Pedes
quatuor antici didactyli,
pari
antico minorc.
Palpi
pedi-
formes artic ulo u
1
im o penul tirno breviore.
Spec. 1.
Pal&mon
serratus.
P. rostro ascendente supra 6- 7- aut 8-dentato apice emargi-
Astacus ser ra tus .
Pal~enion
quilla. Latr . G e n . Crust. e t Insect . i.
54.
Habitat i n Mari Britannico.
nato
;
nfra 4- 5- vel 6-dentato.
Peiin. B d . 2‘001.
iv. 19.
p l . 16. Ji3” 28.
Spec.
2.
Palamon
Squilla.
P.
rostro recto apice emarginato
s u p r a
7-
aut
8-
infra
2-
vel
3-dentato.
Cancer Squilla.
U a b i t a t ciini przcedente i n Daniiioniii australi vulgate.
L i n n e u s , in the second edition of Fauna
Szcecicu,
thus describes
the above species :
“
Thorace l s e v i rostro supra serrato ;
s u b t u s
3-d
en
tat0 , man u u
m
d i
g
is it‘
q iia1i
h ii
s
. -‘ ‘ llos
u i n 1a
ncco a tu n
perpendiciilare, acutum,
s u p r a
octo-crenis, infra tri
bus sc r r a tu in
;
inanus, quze tertio pedum pari insident, digitis suut
q u a l i b u s . ”
In the
last
edition
of Systeinn
N u t r i m
tliis
cliaracter
is
again
re-
peated ; and :is it
appl icb
csactly tc; tlic most freqi‘ent variety
of
this species,
tlicrc
caiiiwt Ix llie
least
doubt a 5 to the correct-
Liiin
Syst.
Nat . i.
1051.
ness
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ncss
of the quotation. I may observe (although I scarcely coil-
ceiw
it to be
nccessary) that
when
Linnzeus made use
of
the
term “ the fiiigcrs
of the third pair
of
feet” in the above charac-
ter, he included the pediforin palpi as a pair of feet. Unless the
Iar~guage
be faiui l iar to
the reader,
lie
inight conceive that
the
Liniieaii species wa s not cven rcferable to this genus, as the two
in ter ior pair
of
f ke t
only have
fingers.
Spec. 3. Yoiizrnoi cariaiis.
1’.
rostro
recto supra
4-
5- aut 6-dentuto apice iiitegro; infra
IInbiln
t i
n
Da
17 111on z N o r fo c
2
a 1a ri v u Ig
a
ss ni
e.
bidentato.
A n sit llstacus
Syuilla Pennant?
Gen. 20.
A T H A N A S .
P e c k s quatuor antici
didactyli,
pari antico majore.
Palpi pedi-
fornzes
articulo ul t i rno
p e n u l t i m o
longiore.
Spec. 1.
Athanas
nitesceiis.
A .
rostro recto inermi.
Cancer astacus) nitescens. M o n t a g 2 ~ , h .
Hubi ta t
i n
Danmoniae australis mari.
D V
I
S I 0 VI I I .
C‘u
uda
u
rin
q
ue
iai
iiellis
d u
abus
foIiaceis
fla
bef lu rn efforman
ibus.
Antennce exteriores squamil magn$. ad basin.
Pedes
sexdecim.
Gen. 21.
~ U Y S I S ,
atr . ,
Leccch.
C A K C E R ,
t h .
Fabr.
Pits
u
N
u
s,
Leach .
Pedes
bifidi parium
4
anticorum articulo ultimo lacin& interiore
uniarticulato,
ovato,
compresso, pedum aliorum multiarticu-
2 2 2 lato.
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350
Dr.
L E A C
L' S
Arrangement
of
the Crustacea.,
&.
iato.
primo brevissimo.
Pa l p i p e d ifo r mes %articulati, articulo Iiiedio longiore,
A d
fEmi?ice
abdominis basin
est titerus esterrius
e
meinbranis
duobus
concavis
valvulijornzibus
e fo r ma tu s , quo
y d l i
nzcpcr e s o v o erclusi
vivunt, crescuiit.
* Cat&
lamelld
intermedid eiirargiilntd.
Spec.
1.
ilfpsis
spiiiiclosus.
M. caudd lamell& nternledid externe spinulosA apice acutP einar-
Praunus flexuosus.
Le a c h , Ed in . En c y c l .
vi i .
401.
H a b i t a t in mari Scotico apud the Frith of Forth.
ginat$ : lamellis exterioribus acuminutis latissime ciliatis.
Spec.
2.
Mysis
Fahricii.
31. caudd lamellA intermedig apice obtusk emarginata : lamellis
Habitat in mari Graenlandico.
exterioribus apice rotundatis.
**
Cnucla
lamell& ntermedid i iz tegrd.
Spec. 3. Bfyois
in teger .
Praunus integer.
Leach,
Ecliii. Encycl. vii.
401.
H a b i t a t
apud Loch Ranza in Arran insulil., freyuentissime.
Length one-third of an inch. Coloiir pellucid cinereous spotted
with black and reddish-brown. Eye s black. Females more abun-
dant than the males.
A t
low
tide near Loch Itanza the pools were full of this
spc-
cies, swimming with its head uppermost and its eyes spread;
making
a most
grotesque
appearance.
DIVISIO
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D I V I S I O IX.
C a u d a
sctis
dua bus te rn iina ta .
Pecles
duodecini .
G e n .
22. K E B A L I A .
M P S L S ,
Lutr.
M
s c u
L
c:
s, Ill
ontc1gn.
C A N C E R ,
t h . Fuhr. , Tlerbst.
TJioivs
a n
tice
rostro mobi l i instructus.
Pedim
par ariticuni
101;-
gius,
sitnplcs
;
paria
alia
q u a l i a ,
approsimata,
ar t icu lv
u l t i -
nio
bifido. Anteillice
c l t i i ~ '
upra
oculos
inser t=, articulo ult i -
rno bi
fi
d0 II u
1
i it
r
t i
c
u
1 a t
0
Spec. 1 . Nebalia Herbstii.
0 t h .
Fubr.
Gram. no. 223. j g . 2.
H e r b s t , ii. t a b . x x iv . j g . 7.
N . grisca
a u t
cinereo-flavicans, oculis nigris.
Cancer bipes.
Alonoculus
rostratus.
Nebalia
klerhstii.
€labitat
i n
oceaim
Europzo.
M o i i t . T r m s .
Liwz. SOC.i . 14. tab. i i .
f i 5 .
J,cuch,
Xool.
U i ~ c r l . .
100. t r d .
44.
Legio 11.
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Legio
IT
E D R I
0 P H
T II A L ’i\iA .
J,atrcille considered the
a n i m a l s wliicli compose
the first atid
part
of the
second section of
this
Legion
:is
it
fami ly
of the
MA -
C R O L J I ~ A b u t h a d l i e been acquainted wit11 the following new
and
curious
genera,
lie would d o u btlcss Iiavc fornied a very different
opinion.
Genera.
S x m o I . Corpus late ralit er coniprevsuin. Prde s 14. A n t e i i i i e 2 1 . P m o w r n A .
in‘_‘rontern insertcz, unci 7itrinque. (Cuuda s t y h ins lwc ta . )
SECTIOI.
Corpus
lateraliter compressurn. Prdes 1 1 coxis lamelli-
f o r m ; b u s . A n t e m a ? 4 er
puria
insert@. (Cuudu stylis instructu.)
DI VI S I O
.
Aiite nnz 4-articulatae, articulo ultiiiio e segm entis plurimis
Ant eiinz superiores articulis duol)us inferiorum basilaribus breviores.
AntennE superiores articulis
duobus
basilaribus inferioruni haud lon-
A ntennr e 4- a r t i c u la t~ , a rt i cu lo
ultimo
e segmentis plu-
efformato ; superiores brevissima
giores.
DIVISIO1.
rimis efformato
;
superiores subbreviores.
l’edes
4
antici monodactyli, man u parvul; compressh.
D I V I S I O11. A iite iinz 3- a r t i c i i l a t~ ,articulo ultimo e segmciitis plu-
riniis
efforniato
; superiores longiores.
Pedes 4
antici
sul);rcp.~ales
noiiodnct li, tnanu coinpressd.
I’crlum par anticu ni didactylum polliee biarticula to, par secund um
monodactylum.
D I V I S I OV. Antennae . l-articulatz, articulo ultimo e segmentis pluriniis
Snldivirio 1. Pede s quatu or antici tnonotlactyli, pa r secuiiduirl m;uiu
efforinato ; superiores longiores.
valtlk
tlilatatri, corn~pressA.
l’etluni par
seciintluni
&giro in
pnlmam
inflectendo.
l’ctluni
p a r
secuntluiii tligito
i l l
latris
aliticu1i1 inflecten tlum.
Suidivisio
2.
Pedum parin thio znticn liloll oda ct~la oiiforinio.
An tcn nz superiores ad I&ii nrticiili cltiarti wt u li instructre.
2.
TALITRUS.
3.
ORCHESTL4.
4.
ATYLUS.
5 .
DEXAbflh’E.
6 . LEUCOTHOE.
-
d .
MELITA.
8.
MERA.
9. G A M M A R U S .
Anteiiiile
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Genera.
Antem= superiores simplices. Manus ovata .
10. AMPITHOE.
Antennae sup erior es simplices.
Manus
filiformes.
11. PHERUSA.
D~vrsroV.
Antennae 4-a rtic ulat 2, inferiores longiores, ped iformes.
(Pedes quatuor antici moiiodacty1i.j
Sul idiuis io 1.
Pedum par secunduin ilianu inagii'i.
Oculi proniinuli.
Oculi
Iiaud
prorniiiuli.
Szilitliuisio 2.
Pedum par secundum m a n u haud
magn2.
(Oculi Iiaud prom inentes.
Antennae inferiores maximze:.)
SECTIO11.
Corpus
deprcsolm. Anrenrire
4 . Pedes 14.
A. Cuiida
iTiermis.
DIVISIO
.
Subdiui3io
1.
Corpus
lineare.
Pedes omnes validi ungu icdati , paria 3
et
4 basi appendiculata.
Pedum paria
3
e t 4 puria.
Subdiyisio
2. Corpus latum.
DIVISIO1.
Corpus
segmentis omnibus haud pedigeris. '
Corpus se gmentis omnibus pedigeris.
12.
P O D O C E R U S .
13.
JASSA.
14. COROPHIUM.
15. PROTO.
16. CAPRBLLA.
17. LARUNDA.
Antennae esteriores articulis tertio quartoque aequalibus.
Aiiteiiim exterio res articu lo tertio qua rto longiore.
Corpus
1 s . IDOTEA.
ora tum.
19.
S T E N O S O M A .
B. Cauda lamelki I u u t 2 utrinque
inslructa.
Drvrsro 111.
Antennae in eidem fere linei horizootali insert*.
Antennae inter iores sublongiores. Ped es 2 antici submoiiodactyli. 20. ANTHURA.
D ~ V I S I O
F'.
Stllrdivisio 1.
Aiitennae per paria uiio super alium positae.
Cauda laniell,i unic.1 utrinque.
Cauda appendice curvato, coinpresro.
21. CAMPECOPrEA.
Cau da appeitdice recto, subconiprcCbo.
Cauda
lainellis 2 utrinque.
22. N r ~ s ~ .
Sllbdiuisio
2 .
*
Ante
1
lice stipei
iot es
petlzi icii
lo u
niplissimo.
Caudrt
emargiiiata in teijecti
IamellA,
appendicibus
haud
foliaceis.
Cauda
eniarginata, appeudicibu s comp res4s foliaceis.
Cauda
i s
egra, appe ndic ibus compressis foliaceis.
Uiipes liijidi.
23.
CYMODICE.
24.
DYNAMEBE.
25,
S PH XRO MA.
**
Aii lenno
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354
Dr.
LEACH'S
wwitgertierrt
of
the
Crrrstacta,
4 c
**
A n t e n n a siiperiores pedunciilo amplissimo. Utigues simplices.
Genera.
Oculi granulati, magni, laterales. 26.
BGA.
*** A n t e n n a superiores pedunculo mediocri.
Oculi distincti, non granulati. Cap ut segmenti corporis aritici lati- 27. EURYDICB.
Ocuii granulati . Capu t segmenti corporis antici latitudine.
28. LIMNORIA.
Oculi obscuri. Cap ut segment0 corporis antico angustius.
29.
CYMOTHOA.
tudine.
C. Cauda setis h a h i s terminata.
DIVISIO
.
- 30. APSEUDES.
- - -
D.
Cauda
styLy
era.
DIVISIO
I.
Antennce interiores distinct=.
SuZdivisio 1.
Sty li caud ales exserti. I'edes a ntic i mono dactyli.
Uiigues bifidi. 31 .
JAN IRA .
Ungues simplices.
3
2.
AS
ELLUS.
Sulldivisio 2. Styli caudales hau d esserti. Pedes antici simplices. 33.
JBRA .
DIVISIOII.
Subdivisio
1.
Antennaz interiores haud diztinctae.
Styli caudales bini, caule duplici.
Styli
caudales
quatuor, lateralibu s biarticulatis.
Antennae articulo ultimo multiarticulato.
34.
LIGIA.
Subdivisio 2.
*
Corpus
in
globurn haud
contractendurn.
a. A n t e n n E externe articulis octo.
Antennae e xte rnz basi
nudaz.
Caudn abrupte corpore angustior. 35. PHILOSCIA.
Aiiteniw es te rn z sub capitis niargirie antico insert=.
Antennae exteriiae sub capitis margine antico insertae.
Antennae edernae 7-art iculatq in capitis cavitate marginibus in- 38. ARMADILLO.
36.
0~isr;us.
37. PORCULIO.
b. An te nn a extel-na? w l i c u l i s septem.
** Corpus
in
globum contraclile.
scrtz .
S E C ' l ' I O
I.
Corpiis
lateraliter
conipre~s~i t~i .
e d e s 14.
dirteniice 2
i n fron-
tern insertis, unci u t r i n q u e .
(Cauda
stylis
instructa.)
Gen.
1.
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Dr.
L E A C I I ' S
rrangement
of
the Crustacea,
&.
3.j.5
Cen.
I .
P H R O N I M A ,a t r .
Caput
magnum, n u tans
;
ant enna biarticulatae, articulo prinio
parvo.
Thorax
7-articulatus, segmentis omnibus pedigeris.
Pedes compressi ; paria duo antica articulo antepenultimo
a d
apicem processu foliaceo instructa ; articulo penultimo apice
bifido, ungue niiriuto tcmiiinato
:
paria
3
ct
4
simplicia longiora,
subcrassiora ungue arcuato t.erininata : par quintum magnum
1ongiss 111u m , crass us, d
ic1
ac y 1u
111,
ar ticu lo pri111o ad ap cein
gradatini subincrassato
;
secundo subtrigono
;
tertio ovato
ad
basin subahrupte angustato ; ultinio acl basin angustato digi-
tis curvatis interne unidentatis ;
paria. 6
et
7
simplicia, uiigue
su brecto termina ta.
A bdornen
triarticulatum, seginento
si
ngulo
utrinque a ppendice duplici pedunculo insistente instructo.
C n u d a biarticulata ; rticulo
prirno
infra utrinque processu bi-
articulato stylis duobus terminilto ; articulo secundo processi-
bus quatuor stylis duobus instructis, processu inferiore biarti-
culato, superiore triarticulato.
Spec.
1.
Phroiziiiiu
sedentaria.
€'.perlibus quintis pollice apice indiceque basi internedenticulatis.
Phronima sedentaria.
Cancer
ganimarellrts
serlcntarius.
Cancer sedentarius.
ming, qui summA cum henipnitate rnihi communicavit.
L a t r . G e n . Crust. et Insect . i, 57.
Leach , E d i n . E ncyc l .
vii. 403-433.
Herbs t , ii. 136. tab . 37.
ig.
8.
Forsk.
Fn. A r a b .
95.
Apud Burray in ZetlandiA, Nov. 3,
1809,
detexit Rev. Dr. Fle-
S E C T 1 0
11.
Corpzts
lateralikr compressum. Cauda stylis plurimis. Pedes
quatuordecini ; coxa lamelliforines. Antennce quatuor per paria
insertae.
VOL.
XI. 3 A
D I V I S I O
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356
Dr.
L E ACH’S
rrangement
of
the Crustacea,
4 c .
D I V I S I O I .
rl1iteni2a
&a rt icu la tx , a r t i cu lo u l t imo
e
plurim is segm entis minutis
efformato ;
superiores
breviss imz, infcriorum pedunculo bre-
viores.
Gen.
2.
TALITRUS
ntr., Bosc.
Pedes q u a t u o r
an t ic i in u t roqu e sexu
s u
tmqualcs ,
monodactyli.
Antenna superiores articulis
d u o b u s
inf‘erioruln hasilaribu s bre-
viores.
Spec .
1. T a l i t r ~ s
ocus tu .
T.
antennis snbtestaceo-rufis maris corpore longioribus
foeminae
Oniscus Locus ta .
Y n l l a s
?
Tal i t rus Locus ta .
C an ce r g a r m a r i t s saltator.
Astacus Locusta.
H a b i t a t in arenosis maritimis passim.
brevioribus , corpore cinereo : colore saturat iore vario.
L a t r .
Gen. Crust. e t
Insec t . i .
58.
LeacJt,
Edin. Encycl . vii.
402.
Perm. Brit. Zool. iv. 21.
J fo n ta g u ,
Trans. Lima.
SOC.
x.
94.
Talitrus l i t toralis, L e a c h ,
Edin.
Eizcycl.
vii. 401. cemina.
Gc n .
3.
O R C I I E S T I A .
T A L I TU S ,
.LLatr.
Pedztiiz
par ia qua tuo r an tica .
N A R I S
monodacty la , par i secundo
manu coniprcssii magnli ;
FU C N IN X
pari ant ico nionodactylo ,
sec
und
o
did
ac y lo.
d
I tenit
ce
su
periores
art iculis d
uob
u s
hasi-
1a
ri
11 ii
s i II fkr or
u
tn h
au
d
1on
giores.
Spec. 1 .
Orclirstia littoreri.
ca nc er ( li tto reus )
G a i ? i ~ ~ m r u s .
P u l c s
niar inus .
‘l’alitrus ganitnarcllus.
Orchestin li t torea.
l f o h i t a t
ad
l i t tora
niaris pass im,
rejectanientis, cadaveribus victi-
&g cn tn g zi , l ’ r n ~ i s .Linn. soc . is.
96.
Lhst . Opztsc. subs .
ii.
31 2
Lntr .
G e n .
Crus t .
e t
I t i s .
i.
57
?
. Le td l ,
Edln,
Encycl.
vii. 402.
ta 1
s.
1)I
v I S 0
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D I V I S I O
11.
Aiitenim
quadriarticulatE, articulo ultimo e segmentis
pluriinis
a1i
is
d
is
t in c s eAio rin ato
;
s peri ori
h
1s s
u
b brev io b u
s
.
Gen. 4. A T E - L U S .
Anteiiiza superiores articulo secundo tertio longiore ; qfwiores
a
ticulo secundo tertio subbreviore. Oczili snbproniinentes, ro-
tundati, inter antennas
i n
capi tis processurn utrinque inserti.
Cartdn
utrinque stylis duplicibus tribus, et supcrne stylulo
utrin-
que
niobil i
instructa.
OBS.
Gcneri Dexamini
valtle
aiXne est
lioc
genus.
Spcc. 1. A t y h
curinatus .
A .
capite rostro descendente, abdorninc segmentis quinque iilti-
Gamrnarus carinatus.
Atylus carinatus.
Habi ta t
Mus.
Rritan.
mis carinatis posticeque acu te productis.
Fabt..
Ent .
Syst. ii. 515.
3.
Leach, Zool.
nil iscell. ii.
22.
tab. 69.
D I V I S I O
111.
Antciina triarticula tx, articulo ultimo e plurimis aliis distinctis
conf'ecto, superioribus longiori
bus.
G e n . 5.
DBXAMINE.
Y e d e s
qua tuor antici subaequales, monodactyli,
manu
compress%
filifornii-subovat A, armati. Antema: segment0 primo secundo
hreviore.
Ocrili
oblongi, haud prominentes,
pone
antennas su-
pcriores inserti. Cnt ic lu utrinyue stylis duplicibus tribus, super-
I q u e stylo utrinque mobili instructa.
3 n 2 Spec. 1.
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358
Dr.
L E A c I r ’ s
Arrangement
of‘
t he
Criistacect,
4 c .
Spec.
1.
Desamine spinosa.
D.
segmentis ahdotninis posticis in spinis productis.
Cancer Gaminartis spinosus.
Dexaniine spinosa.
Habitat
i n Angliae
occidentali niari rarior.
Montagu, I h 1 .
T r a m z d . xi. 3.
LeacJr, Edin. Encycl. v i i . 433.
--, z o o l . fiIisceEl.
ii.
24.
Gen. G . L E U C O T I I ~ ~ K .
I’edum par an ti cum
d i 1
ac gl
u ni, pollice lt
iart
iculato, a r t u l o
h i -
lari subovato
;
par secundum inanu
d i l a t a t h ,
compress&,
o l l i c e
curvato instruct$.
Spec.
1.
Leucoth’de articulosa.
Cancer articulosus.
Leucothoe articulosa.
Habitat
in
mari Britannico, rarissime.
Moiztagzc,
Linn. Trans .
vii.
71.
t.
6.$
6.
Leach,
Edii2.
EmycZ.
vii. 403.
D I V I S I O IV.
A12tenn~4-articulat~,rticulo ultimo
e
plurimis articulis efforma-
to
;
uperiores longiores.
S U B D I V I S J O 1 .
Yct lum
par
secundiinz maris
manic
clilatatd
coinpressd.
Gen.
7.
M E L I T A .
Pedum
paria duo antica monodactyla
;
par secundum
tligito
i n
palniam inflexo.
Cauda
lamell& utrinque elongat& foliaceii.
Spec.
1.
Melita palmata.
hI.
corpore nigrican te, antennis pedibusque pallido annulatis.
Cancer
palmatus.
Montagu ,
Linn.
Trans. vii. 69.
Melita palmata.
Hal i ta t niaris Danmoniae
littora s u b lapidibus passim.
Leach, Edin.
Encycl.
vii.
403.
Gen. 8.
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(;en.
8.
R ~ I E R A .
Pedirm
paria
d u o
aritica
inonodactyla, par
secundum
digito
i n
fatus inflexo.
Cazida
stjlis
nullis loliaceis.
Spec.
I .
J l e r a
g1.ossstmffna.
Cancer
Gammnrus
grossiwanus. LVIontogtc,
‘I>
.
SOC.
x. 97.
t.
4.J 5.
M;wa grossimana.
IInDitcit
a d Dmiiioiiie littora
scopulosa
sub lapidihus
vulgatis-
I,ccicfi, Ediii. E i i c j c l . vi i . 403.
G e n .
9.
G A M M A R C J S .
Ante i i i i r e
superiores ad basin articuli quarti set&parvuk articulatd
*
Cazrda
stylis geminatis stiperioribus stylo supero breuissimo.
S
pcc.
1 .
Gaminartis
aquaticus.
instruct=.
Cauda
superne fasciculato-spinosa.
G. processu
i n t e r antennas obtuso rotundato.
Gaiii inarus
Yulex.
77nbitot in rivulis et stagnis vulgatissime.
Lenclr,
Etlili.
Ericycl.
vii.
402-432.
Spec. 2 .
Cam ma rus marinus.
($.
processu inter antennas subacurninato.
I l nbit
a t i
11 Dan nio11 ~ea
us
t
l a 1 s mar .
Spec. 3. G a n m a m s Locmtcl.
G .
oculis lunatis.
Cancer
Gainniurus
Lccusta.
(fanmarus Locusta.
l lnhi tn t in Rritanniz mari
vulgatissime.
& - o n t a p ,
Linn.
Trans.
ix.
92.
Leach, Edin. Encgcl. vii. 403.
Spec.
4.
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Dr.
L E A
:
11’s
A r w i g e m e n t
of
the
Crustacea,
&c.
361
Spec.
1 .
Podocerus uariegntus.
P.
albo rufoquc variegato.
Podocerus variegatus.
Habi ta t inter confervas marinas.
Lench, Edin. Encyc l . vii.
4.53.
Ccn.
13.
J A S S A .
Pedes quatuor antici monodactyli, rnani-
bus ovxtis ; par secundum majus latere interno armato aut sub-
rc
c
to
d
en t
bus
i n
s
r
u
c t
0.
Ocrtli liaud proniinuli.
S p c .
1.
J a m yulciielln.
J. pollice sccundo
latere interno ad basin emarginato.
Var. a. inaiiii
secuncl&
dente elongato, obtuso ad interni lateris
Var. p manu secund& atere interno tridentat&.
Jassa
pulchella.
Leach , Edii2. Eircycl.
vii.
433.
IZtrLitnt inter fucos in Dannion iz australis mari. Color albicans,
rufo pictus.
basin.
’
Spcc . 2. Jussn yelagica.
.J .
m
an
ti secu n
d
A
1
atere i
n
t e
m
o 1
1n
(z
to-e
m arg nat0.
Corpus
cinereo-subpellucidum fusco variegatum.
Tfabitat in inari Scotico apud the Bell
Rock.
Cum
copia ani-
ina1 11 I I
co 11
11 I
t i 11
ca.v i
t ani ic
u
s R. Stephenson.
O B S . (;ainuiarus t’alcatus, Moit tc igu, Truiis. Lima.
SOC.
x.
ad I IOC
genus pertinere videtur.
Ge n .
14. C O J W P F I I U M ,citr.
C A N C E R ,
inn.
A S T A C U S ,e m .
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362
Dr.
LEA
IS 'S
A r r a n y e i n e t ~ t
f
t h e
Crustacca,
&.
Spec. 1 .
Coropliium
l o n g i c om e
Cancer grossipes.
Astacus grossipes.
P e n n .
Bri t .
Zool.
iv. pl. 16.
j:
31.
Corophiuni longicorne.
Lim. Syst.
N a t .
i. 1055.
Latr.
Gew Crus t . e t Itis. i.
59.
Leach , Edin.
E ncyd .
vii. 403-433,
S E C T 1 0 111.
A . Caitda i i ier inis
Corpus depressum.
D I V I S I O I .
Corpus
6-articulatum, seginentis oninihus cum capitis
basi pedi-
geris.
Y e d e s 14
;
crria
duo
antica
urigue mobili, (pollice) in-
structa
;
pn r an t i c ttm
minus, a d caput annexum,
carpo
articu-
lato ;
pni*icr
tcrtiuin
et quart i t in
szp ius spuria
; nr i a
sesposteriora
coxis a l i q u o t productis, uiigiiibiis validis armata. Aritennce
yua-
tuor, s i i periores longiores. 0 s palpis duohus apice ungulatis.
Anus
tuberculis parvis obscuris.
Bursa (uterus ex ternus)
valvu-
lis imbricata inter fceminae peduni yaria tertiuni e t quartum sita
est, quii
ova
pullique
post exclusioneni educantur.
A N I M A L I A
arasitica
in
Oceaiio degentia, Fucis, Cetaceis (Pis-
cibusyue
?)arcte
affigentia.
S U B D T V I S I O
1.
Corpus lineare.
Oculi poiie
aiitennas superiores
siti.
Aiitetince
4-
articulatce
:
sityeriores seg mento itltitno alioruin loiigitzidiiie,
e
p h i -
riinis ciliis corn
posit
is :
nferiores subcompressce,
szrperioribrts diniidio
mi?iores. Pedi t in yrrr a i i t i c i r i n
(Palp i
Rlontagu)
0s
p o p e s i tu m ;
s e c i ~ i i d u i i i
nnnu stepiits iiitris cleiitatd.
Gen . 15.
1'1%
o'ro.
P e d u m
paria secunduni, tertium et quar tum basi
appendiculata .
Ad
Pedes
oinnes valid&unguiculati.
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A d I)oc q e n u s pertinet
Sqiiilla
p d a t a , forte etiam vefifricosa
hJ iilleri.
Pedrrm pa
r a sec
11n d
11ni
,
c r
i
11 i i i c t q i
a
1 t 11m
ha
11 d a ppen
d
i
c t i
1a ta
ad
Iwsin
; p i r i 1 ~ 1 1 ~
ertio
ct q t i a r t o s pu r i i s , globosis, subgelat i-
nos s.
Ad Iioc genus Asttrciis citomos Pennant, Squilla Zobuta bItiIkr, c:t
G c n . 16.
C A P I t T : T , L A *
Cmcw
Plicrsnia
X4o
11
tag 1
pert lien t
.
I Iab i ta t
in
mari
inter
fiicos,
geoiiietrick
niovens.
The specific characters riiay be taken from the number aiid
situation of spines
i n
the
head
and back,
for111
of the second pa i r
of feet, &c. The
syi ionynis
are a t this time so coiifirsed t h a t
I
cannot
venture to describe or nanic
those
in
my collection,amouiit-
iiig to
four
indigenous species,
S U I I D I V I S I O 2.
Corpus
latunt. Ociili i i i ve rti ce m siti. ATiteiiiice 4-articulatcc,
s u p -
riores
longiores,
articirlo basilari paulo
rnqjore,
secuiido tertioque
cequulibus bnsilcrri puu lu lum minoribus,
ultimo
vi inuto penul t imo
q uadruplo
minore ; nfe rio res crrticzilo basilari sup erior
urn
Lreviores
nrticcilo
i i l t i i i lo
ntiiiuto. I’cdes conipressi valide utiguiculati ; a-
ri(i
d i r o
nn t i cn pollice i i i s t ri tctn : a r a n t i c u m niinimum ad capitis
busiii crdrrea t i in ,
ccityo
ar fi ci il nt o, seciriiclitnz iiiajiis manu iirttrs den-
tat(?, tei-tiriita e t qtiurtrun cot’iaceo-?ne)ii~7’nllacea, ylindrica, clon-
gutu, spirriu.
Anus
yrocliictiis,
t
uberc ulis obscrtris
parvis,
U r i i w (u t erus ex t ern ts> v a t v d i s q iiat iior imbri cata.
G e n .
17.
L A R U N D A .
C s n n i u s , Latrei l le, Lumnrck .
I’n NO E Leach.
V O L .
X I .
3rt
Spec. 1 .
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Spec. I . Idcirri/itla ‘eti.
Oniscus Ceti.
Squille
de
la Baleine.
Pycnogonuni Ceti.
Cyarnus Ceti.
Panope Ceti.
Habitat
in balzeiiis (etiain i i i sco1ri6ris, Latreillc).
Linii. Sjlst. A7(it. i . 1Oo’O.
IItJ
Geer, M h i . i w
Zes
Tm.
ii.
P I
42.
$6.7,
k’tibr. Sit11111.
Elit. Syst . 670.
Ltitr. Gel). Crust. e t
Ins. i. 60.
Leacli,
& c h . Eizcycl. vi i . 404.
D I V I S I O
11.
Corpus segmentis oinnibus h a u d pedigeris ; scgiiieii tuin ii1tini:iiii
c
a
u
d ae maxim u ni . A 11t en i ce f i I i fornies, 111e
d
ie
b
rev is s mZP, ex-
teriores ad corporis dimidium longitudinis et ultra. Uirgrtes
valid
i.
Gen. 18. I D O T E A .
A t
e ri
11ce e x
e
riores
d m d i 11
in
a
i
t
ini
nu
s
corpo
ri
s 1o ig
t
u d i n
s
zequantes, articulis tertio quar toque xqualibus. Corpus ovatum.
Spec. 1 . Idotea Entomon.
1.
corpore elongato-ovato, caudh apice tridentatA
:
dente inter-
medio m
a j
ore,
a
n e
n n
s cl i mid u n~ corporis longi u
d n e
ni fcrc
z quan i bu s.
Ii/iiz
Syst . Nut .
i . 1OciO.
Yeiui.
B i i t .
2001.v .
pl.
18.
j ig . 5.
Oniscus Entoinon.
HaGitcrt
i n inari Britannic0 passim inter fucos.
C
01
or c inereu s,
fus
co- p u n cta ss in us, z pe cre m ore 111
a
c 11 a t [I s.
This species, which is
very
coiiimon 011 all o u r rocky coasts, va-
ries much in the forni of the extremity of the tail,
uftcn
occurring
without
the
lateral teeth, which
is
ever the case (as far
as
1 have
examined)
in
younger specimens.
Otiiscrls
rnariiztrs
of Pennant,
plate xviii. fig. 3, appears to
be
the variety above mentioned.
Length one iiicli
and a
quar te r .
Spec. 2.
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Spec. I . Steiiosom
lineare.
S.
cautlA seginento u timo
h i
uba iigu stat o tipicein versu9
tlila-
Oniscus
linearis.
tat;i:
apice
t ru n ca t o etiinrgiiiato.
Y e n u . B r i t . .Zoo/ . i v . pl.
18.
jig .
Spec. 2. $tei iosoina
aciiinir~atum.
S. caudb s eg m en t o
ultiiiio
a c u mi i ia to .
Stenosoma acuminatuu i .
€I(lbi tgt i n
mari
Danrnoni;e :
semcl
obviuni .
Lecrch,
E d h . Eircycl.
vii. 4-33.
D I V I S I O
111.
Ca
u c h
segtnent u m pen 111
i
ni II
ni
br e vissi tii um
;
u 1 i 111u ni a ng usti us
e longs tum, u t r inque
laiiiellis tluabus clongatis. i l /I te i i i ice sub-
q u a l e s , unA post a l te ram in
line&
fere horizontali insert=.
Gen. 20. A N T I I U R A .
dntennla
breves,
in terioribus paululuni Iongioribiis.
Pedes
ante-
riores
nianu ungue seu
pollice
ins truct i .
Corpus lineare.
CttItd(6
1ainel 1is du
ah
u s fol a c e s u tr
n
q ue i
s
r u c a .
Spec. 1 . A?itlii(r(i rmil is .
Moiitcrgu, Linn. Trcr rs.
i d .
is. tub.
5.
fiq. 6.
Leach ,
Edin.
Encycl . r i i . 404.
I t
is
p r o b a b l e t h a t
0,iiscus cylindricits
of
a l o n t a g u ,
Liiiii ~ r ~ l l l b .
Oniscu s gracilis.
A nthu ra gracil is .
iiol. vii. tab.
6. j i g . S. is referable to this family.
D I V I S I O
IV.
C u u d a seginen
un]
u 1
i n
u 111
in
a s i
11u
ni u rin q u e
a
ppendicu la t
u
111.
A u t e n m per
paria
uiio
super a l iu in posit=.
S U U 1 ) 1 V I S I O
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Dr.
L E
C
11’s
Arrnngemeia t
o f
t h e
Crustaceci,
&.
367
Gcn.
21.
C ; \ R l P E C o P F . ’ A .
Cartcla
srgiu
en o ul t i in o a 1)
pc
n l ice c i r v a tti
c o
11
11
rcssfi 11tri n qiie
instr‘iicta.
Corpus
6-articulatum, articulo
iiltiiiio
aliorutn mag-
n i t 11
tl i n e
. r l I
t
eii
?ice
sc
acex, s
u
perE
Ion
g ores
,
pc
d u n c
u o t i ar-
t i c i la t
o.
Ung es (an-
tici salteni) bifidi
;
reliquas haud vidi .
Spnt
iitni
in
te a n
ten
n a s
ampl
i
ssi
m
111.
Spec. 1.
Campecopen
Iiirsuta.
Oniscus
hirsut us.
Campecopea
hirsuta.
Moiitngu, L ~ J U Z .rans. vol.
vii.
tcrb. 6 . j g . 8.
L e a c h , Edin. En c y c l . vii. 405.
Gen.
$2. NIESA.
Cairda segniento
ul t imo
utrinque appendice rectCt subcompressA,
pcdunculo adnexo. Corpus 6-ar ticu latum, articiilo uItimo ma-
jore. A i i t e , i t i c E setace*,
sii
b a q i i a l e s , superiores pedunculo am-
pl
issi
ino
,
hia r
c
u
1
a
to, art
c
i
I
o
bas
a r
i
m
aj
ore.
Siiu
tiism i n
cr
an ten
11
as fic i 1 1
i
m e d isce r 11cn d u m .
Ungues
b f i t i .
Spec . 1. Nasn biden ta tn .
O n i s c u s
bitlentatus.
Nzsa hidcntata.
Jdu i t i . 9 ,
L i n i i . Trails. vol. V. S. tab . 2 . j ig, 3 .
Lecicli, Ediii . E1iqcZ. vii.
405.
S U C D I V I S I O
2.
Caiidce
segmeirtttni
t i l t i m r i n
nppendicibus diiabus
f o l in c e i s , s t y
ove bi-
f d o , i ~ l s t r l ~ c t l l l ~ l .
A ntertna:
srtperiorts
pedtrnculo amnplissimo. Ungiies
bijdi .
(Cuplit
posticc ad ku
f
ern subhilobat urn, lobis ocrrlijeris.)
Gen.
9 3 .
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36s
Dr.
TJr;~c
1's
Arrangement
of
the
Critstacetr,
'ye.
G e n . 23. Cr-hrourcr;.
O c i ~ l i
t 1
segmenti attingentcs margineiii antcrioreni antici. Corpiis
7-a
r
t i
c111R t
11m. Cn iidn bas
11
tri 11g
11e R 1)
pe
i 1
c i I)
u
s tl 11all
us
sub-
compressis, h a u d f'oliaceis, exteriori
ius
inajori I ius ; ryex emar-
ginatus, interjcctd
Iamel1, l. U n p e s
bifidi.
S ecieni ind igenam poss deo (0 i sc u s t
ru
n catu ,
41on
tu p , Mss.)
Cyinodyce truiicatn.
Lencl i , Ediji. Zi icycl . vii. 433.
G en . 34. D Y N A B I E N E .
Occili
a d
scgincnti antici niargineni antcrioreni
haurl
attingcntrs.
C o r p s 7-articulatum. Cnricla
basi
utrinque appcndicibus dua-
b
u
s i x 3 q u a1 i bus
fol
iace s
i
11s
t ru
c a ; a p e x e 111itrg i n
i t
t i s, l miell8
nnlli i
interject&. Ungues bifidi.
L y ~ ~ i i t ~ ~ e l l ~ .
Species
tres
Britannicas possideo.
Leach ,
Edin. Eizcycl. vi i . 433.
Gcn.
25.
S p I I x l t o J i A , Latr.
Oculi ad
niarginein anteriorem corporis
seginenti
prinii haucl
at-
tingen tes. Corpus 7-articulatum. Caudn apicc integra, basi
utrinque
appendicibus
d u a b u s foliaceis zqualibus instructa.
Uiigues bifidi.
Spec.
1. Splicrroma s e w n t r r .
S.corpore ltuvi iiicrrrii, cautl9 IievissimCt utrincluc ohliquc
trun-
Oniscus Globator . Prillas
Sp.
Zool. f a x . i x . tab. 4 . jg .
18.
Cymothoa serrata.
Fubr.
Z h t . Syst. i i . 5 10.
Sphterorna cincrca.
Habitnt
ad
oceaiii Eiiropxi littora.
apice nigro.
shire, Kent ,
aiid
Cornwall.
catA, lniiiellis ellipticis acutis
;
esternis externe serratis.
Latr.
Cel l
Crust.
e t Iirs.
i .
65.
'Octrh nigri. Ante~mce ulv;~.
Pedes
ciiierei, unguibus fd v i s ,
This species is very coinmon o n the rocky shores of
Devon-
Spec.
2.
C o r p s cinereuin
vel
albiclum rufo-marmoratum.
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Spec. ?. Sphc~roitia i r g iccrtickr.
S. corpore
I z v i
inernii, caudh rugulosA: laterihus ohliyue trunca-
tis,
lainellis cllipticis;
ex
ternis rnargine externo vis tlenticulatis.
S
pliz roni a r ugica
u
d a .
13nbitctt i n occmo .A tluiitico.
RIus. 1,car.h.
Statii1.a et niagnitudo przcedcntis, ct satis distincta, caucli'i
riigosih, l amc~l l i s otundatis nec acutis, antennarutn itiferiorum
pe-
d i i ncu l o longP
ininus crasso.
Color
cinereus, nigro lineatus,
r m -
cula tusque. Oculi nigri.
Lecr
ch
, Etliti . E
/ic. cZ.
v i .
405-433.
I discovered this spccies on
thc
Is le
of Ulva,
one
of
the \Vest-
ern
Isles,
over against
Rlu l l , i n
the month of Angust. I t was
much
more
agile than S. serrarta, which called m y attention to
minute examination.
I
met with several, but owing
to
an ac-
cideii t only one remains.
Spec. 3.
S'limoiiin Hooker i .
S . corpore Izevi, caudzr articulo u l t i m o t u berculis tluobus ob-
Spheroiiia
H ookeri.
Ilcihitat i n SuffolciA ad littora inaris; color cinereus au t rufescens,
punctulis nigris sparsus. Cum copid crustaceorurn benignis-
sinie communicavit amicus \Ir J .
Hooker,
cujiis noiiicn gerit.
1on ga s s iboh sc
u
r is
.
Lectch, Eclin. EncycE.
vii.
433.
** A
n t e n m superiores
yeduncido
amnplissimo. Ungues
sirnylices.
Oculi
magni, graniilati, oblongi, obliqui, marginales.
articulatuni.
utrinque appendicibus duabus foliaceis instructa.
Corpus
7-
C'aiicla
6-articulata7 articulo ul tinlo majore, basi
Spec. 1.
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370
Dr.
LEACH’S
rraiigentent
o f the
Crirstacecl,
+c.
Spec. 1 . 2 g a enzarginatn.
A?’ .audA art iculo ul t in io acuni inato
;
pr o t e s s u interiore apice
Hnbitc1t
in te rn6 ob l iyuk t run ca to ex tern&ernarginato .
A n sit Oriiscus Psora. Penn.
B r i t . Zool.
ir.
p l .
18. fig. 1
?
Spcc . 2. A3ga tridens.
2
m u d %art iculo ul t i ino t r icarinato
:
carinis u l t ra apicem in den-
H a b i i a t in h lari Scot ico.
hlus. Sowerby.
t es p roduct i s
;
processu in teriorc t runcato .
*
** A
n
e
1
nce
superior
es pedzr
n
czr lo ??Iediocr
i.
G c n .
27.
EURYDICE.
OciiZi distincti, lafcralcs,
noii
granulat i .
Cuput
segnienti antici
corpo ris lati tudine. Corpus 7-articulatum.
Caudn
6-articulata,
artjculo
ult imo m ajore.
Ungzies
simplices.
Aiitenna
iiferiores
corporis longi tudine.
S p e c. 1
.
E icrydice 1 )
i lcliwi.
FA.
a u d a ar t icu lo u l t iino
semiovali.
Mabitat
i n
inari
apud
Hantharii in D nnnioniA aus trali
vulgatis-
si&, celcrrimi:
natans .
C
010
r c n ere us 1)111cherr i n k 11 gro irrorii tus.
G c n .
26. LInlNoILId .
C a p t
corporis
segxrierito
an tico lati tu dine aequale.
OciiZi
clistincti
granulat i .
Caucln
seguiciitis pluriniis cor por e vix angustioribu s,
ul ti in0 sub o u ii
d
ato,
Antennae
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Dr.
L E A C
1's
Arrangemerit
of
the
Crustacea,
&c.
37
Anteiinte infernk per paria insert=,
unA
super alteram posita.
Oculi e granulis ("octo au t septernj effonnati.
Spec. 1. Limnorin
terehrans.
L. corpore cinereo, ocu1i.i subpiceo-atris.
Liuinoria tercbrans.
Long.
Corp . 1 l in . et
1;
a u t
2
liii.
'I'liis new
a n d
highly interesting species I received through tlie
politeness of
m y
attentive and worthy friend R. Stephenson, Esq.
I t occurs in the greatest abundance at the
Bell
Rock, in the
old
wood-work used whilst the tighthouse was building, which it per-
forates
i n a
most alariiiitig manner, entering to the depth of
two
inches or wore, boring
i n
every direction.
'I'hey
seldom or never
deviate from a straight line in their perforations, unless inter-
rupted in their progress by a knot in the wood , when they pass
round
it.
The female is one-third larger than the male, and may be
readily distinguislied by its pouch, which is easily seen, and in
which
the
eggs a n d young ones aftcr their esclusion are carried.
The young ones in those I examined were generally seven
in
num-
ber,
in
some
few nine,
autl
i n
one
instance only
five.
%%en
dive it
can contract nearly into a ball.
I was at first induced to place it
in the genus
Cymothoa,
but a more careful observation clearly
proved it not to
be
referable to that genus.
Lcucl i , Ediu.
Eizcycl .
si i .
433.
Gen.
29.
C X - X O O T H ~ A ,abr., Dald., L a t r .
Cupu t a igustu m, parv
II
in. Segment
z c n i
se c
u
n d u
m a n
icB em argi-
natum
ad
caput recipiendum, angulis anticis porrectis cum
capi te lineain rectain delinientibus. Cauda segmentis plurimis
corpore angustioribus, ultimo niajori transversk subquadrato,
basi utrinque
s tyl i s
duohus pediculo impositis.
Oculi
obscuri.
* I men tion the number with som e doubt; even granules are arranged in
a
circle,
and in
a certain light there seems to
be
another
in
the centre.
V O L . XI. 3 c Spec. 1.
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372
Dr.
LEACH'S
rrangement
o f
the
Crustacea,
&.
Spec. 1. Cymothoa CEstrurn.
Cymothoa
G s t r u m .
Tub?-.
Ent. Syst.
ii .
5 0 5 .
L a t r . Gel) .
Crust.
e t
Iiis.
i. 66.
C.
Cauda se t i s duabus terrninata.
D I V I S I O V.
Corpus
sex
a r cul a u ni
. Ca
L
cln sexar cu
at
a , ar t cu o u 1 i
II
o ma-
jore, sets
utrinq ue instructa . Pedes
14 ;
par
anticum
didacty-
lum,
par secundum coinpressuiii dentatuiu, paria tc r t iua i
e t
quartum consimilia, simplicia, par quinturn
ungue
duplici
?
paria sextum
et
sept inium spuria . AntennG quatuor, supe-
riores pedu ncu lo biarticulato apice set%m ul tia rti cu lat i armatae,
inferiores hifurcatae.
Gen .
30.
A P S E U D E S .
Spec.
1.
Apseudes Talpa.
A. test%
antic& acutii rostriformi
lineis
tribus longitudinalibus
Cancer Gammarus Talpa.
fiIontagzc,
Trans.
Lim.
SOC.
x . t . 4.$6.
Apseudes Talpa.
Color
Aavicante-a1bus.
Habi ta t i n ocean0 Britannic0 rarihs.
exarat
s.
Leach, Edh.
E n c ~ c l .
ii. 404.
D. Caudu stylijera.
D I V I S I O
VI.
A 12 t
e
1
?ice qua
u or
,
in t
erio
re
s d ist n
c
ze .
S u B D D v I I S o 1.
Sty l i esser t i .
Pedes
ail tici viajores,
ntaiiic
rnoiaoductylil.
Gen. 31.
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Dr.
LI.:Acli’s
Arrangement
of
t he
C‘rristacea,
&.
375
Spec. 1 . Pltiloscia Mrtscorum.
.F(~fk . nt . Sys t .
ii. 397.
Oiiiscus fuscorurn.
Oniscus syl\,estris.
Yhiloscia
Muscoruni .
Hcrbitnt i n GalliA, Ccrm~niA, ueciA, Angliii, s u b
l ap id ibus .
ScopoEi, El i t C a m .
1105.
.Latr . Geii.
Crust .
c t Ins . i .
69.
Lencli,
Editi. Eitcyc l .
rii. 400’.
Gen.
36.
O N I S C U S .
A i i t e n m
externae
s u b
capitis
niargine antico
proniinulo
insert=.
Spec.
1. Onisceis Asellus.
Fabr.
Suppl. Ent. Syst. 300.
Oniscus Asellus azrctorum.
Oniscus mura r ius .
b. Antenna ex t e r m ar ti cu li s septem.
Gen. 37.
PORCELLIO,
a t r .
.4ttten?zce exterm s i ib capi tis
m a r g i n e
antico prominuloque in-
sert=. Styli c a c d a l e s
la terales prominul i , conici.
Spec. 1. Porcell io
scaler.
Fabr .
Suppl. Eizt. Syst.
300.
r,ntr. G Y ~ .
r u s t .
e t
Ins .
i. 70.
Leuclt,
Edin.
E?icycZ.
v j i .
406.
P. corpore scabro.
Oniscus
Asellus.
I’orcellio scaber.
Jclbitat
in Europa sub
ligno
pu t r ido , et sub Iapidibus passim.
Spec. 2. Porcellio levis.
L n t r .
Gen.
Crust . e l Ins. i . 71.
Leach,
Eclin.
Encycl.
vii.
406.
P.
corpore
laevi.
Porcellio I ~ v i s .
Habitat cum praxedente.
Mus. Nostr.
I n BritanniA semel obvius.
*
Corpus
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376
Dr.
LE
CII'S
Arrangement
of
t h e
Crustacecc,
4-c.
**
Corpus
in
globurn
contractile.
Gen.
38. A R M A D I L L O ,a t r . O N I S C U S , inn.
An t e n n a externze '/-articulat:e, in cavitn te m argin ibus prominula
insert=.
Stjli
ca u d e la tera les haud prominuli , art iculo apicis
triangulari , cum ultimi segm enti margine connivente. Latr.
Spec. 1. Armadillo culgaris.
Arm adillo vulgaris.
Oniscus
Armadillo.
L a f r . Gen. Crust .
e t Ins . j.
7 1 .
Liiin. Syst. N u t . i.
1062.
Classis 11.
Ordo
I.
C I I I L O G N R T I - I A ,
a i r .
hE Y R
I
A P 0 D A%.
,$laxilke
nullix.
Palyi
indistincti.
Labium
inerme.
Ordo
11.
S Y X G N A T I T A .
MaxiZZle
driae dis tin ctz ,
basi
c o n n a t a Pa@
d u o
niaxillares fili-
formes
; d u o
labialcs ungulA terrninati.
Ordo
I.
C H I L O G N S T I I A .
Fam. 1. G L O M E R I D E S .
C o r p s in
globum
contractile.
insert=. O c d i distincti.
Antenna capitis pagina:
supern=
Gen. 1. G L O M E R I S ,atr.
Pedes
u t r i n q u e
16.
*
This
class
was
arranged
with thc Arachnides by
Latreille.
Spec.
1.
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Dr.
LE
C
11’s
Arrangement
of
the
Crustacetr,
&.
377
Spcc. 1 . Glomeris pus t ida ta , Latr .
Habi ta t in LusitaniA frcquens.
Spec. 2. Glomeris marginuta.
I’oit:, Fn.
l a s .
Germ. is. 2 5
Oniscus niarginatus.
Oniscus
zonatus .
Gloniei-is Iimbata.
J u l u s
oniscoides. Torn.
Habi ta t
in EuropA sub lapidibus.
T’ilE. Entom. iv. IS?.
t.
1 1 .
J:
1.3.
L n t r .
Gen. Crust. e t Ins. i. 74.
Stem. Elem. Nut. Hist. ii.
I : ~ ~ ~ .r.
J ~ ~ ~ ~ ~
Corpus in globum haud contractile. A n t e n m capitis
pagin=
SII-
pe rnz insertrr.
Oculi
distincti.
Gen.
2.
J U L U S .
COPPUSerpentiforme, cylindricurn.
Antennarum
articulus secun-
dus tertio longior.
Thc
f o l l owi ng
spccies were all describcd from living specimens.
The
principal
cliaractcrs
of
distinctions arc colour,
sizc,
and
the
f o r m
of
the
anal
segment. The number of
legs,
which has been
considercd the most permanent character, is of no value, as it
va-
ries continually i n the same species.
S
pcc. 1. Jdus sabulosus.
J. nigro-cinereus l ineis
duabus
dorsalibus rufescentibus, seg-
.Julus sabulosus. Liim.,
F h . ,
Lafr.
Long. Corp.
1;-
unc.
Hribitcit
i l l
E u r o p x
sabulosis
i n t c r
muscos
et
sub lapidibus
passim.
Corpus 1on
g
i
u
d
i
11a 1 te I ine
01
atu
m
, 1 neis vix sub
u
n d u
1at
is.
Facies flava nigro-punctulata.
This
men o nltimo niucronato, pedibus l u teis.
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This species inay readily he distinguished from all the rest by
the thickness of its body, by
the
form of the iiiucro, which resein-
hles
t h e
corniculus of m a n y of the genus
Si res ,
aiicl by its
colour,
which af ter death often changes to a blucisli violet, with testaceous
instead of red lines.
Spec. 2.
Jiilrts
Loiicliiiensis.
J.
briinnco-nigricans segmeiito ultimo subinucronato : nictcrone
Loiig.
Corp.
2 i
uric.
IInbitat i n sylvis Londinum prope inter inuscos liaud infreqnens.
Corpus lineolis longitudinalibus tenuissimis rectis exaratum.
After death it is frequently banded
with
brassy rings.
a n o breviore, pcdibus rufescentibus articulis p ~ ~ l l i d i s .
Spec. 3. Jrtlus fziger.
J. segmento ul tiiiio miicronato, pedibus pallidk rufescentibus.
Long. Corp. I
l in .
Habita t
prope Edinburgum sub lapidibus passim
; n Arran
InsulB
semel
observavi.
Corpus fortihs lineolatum, lineolis inaequalibus.
After death the body assiitnes a blueish t i n t .
Spec. 4.
Julits
t erres t r i s .
J. cinereo-fuscus annulis dilutb brunncis, capite anoque dilu-
tioribus, ventre pedibusque sublutescente-albis, segmento ul-
timo mucronato.
Long. Corp. 1 unc.
J
ulus terrestris.
f l u b i t a t in Europz sabulosis, sylvis.
Linn., F u h . , Latr.
Dorsuni striis longitudinalibus rectis exaratum. Pedes articulis
1 con-
s u
bfuscis.
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D r .
L E A C H ' S
lwangement
of
t h e
Crustocea,
4 ~ .
379
I
considered this species formerly but
a
mere variety
of J . ni-
gcr, b u t l a t e r observations have induced nie to consider them as
most decid edly distinct. T he strize are rnuch s t ronger in
this
species, althougli it
is
a
m u c h
smaller animal , and tlic colour is
totally different.
Spec . 5. Jiiltis punctatus .
J.
scgnien to
ultiino niucronitto, corpore suhpellricido
p l l i t l i :
Long. Corp. 10
l in .
Ha b i ta t sub
cort ice arborurn e t in ter
mnscos
passim.
Dorsum et
l a te r a
pallid2: carn ca,line is long itudina li bus teiiui bus
exaratis. La ter a ritrinque lincfi punc torum nigrorum. l 'enter
pallidus.
Z'edes lutcscentcs. Oculi atri .
subcarneo, segm entorum lateribus pust ick punc to nigro .
Spec.
6 .
Jiidits puklie llus .
J.
corpore pallitlissini& lavescente-albido, lateribus
utr i i ique
IiiieA
Long. Corp. 7+ i n .
I iubi la t i n
Caledouike,
Angl iz
muscis.
This beautifii1 spec ies I f irst not iced near E dinbu rgh, and I have
since
tha t t ime found i t
i n
the Highlan ds of Scotland, W ales, and
England, under nioss. I t sometimes
occurs
in gardens. Some of
the segments
ncar
the head want the red spots . Th e back
is
very
sniootli, an d
not
s tr iated.
pu n c O T U in coccin eo u m
sieg
inen to
ul
irno inerm i.
Spec .
7.
Juliis
piisillus.
J.
scgmento u l timo subn iucronato , co rpore c inerasccu t e - n i p
Long.
Corp.
5
ad
0'
lin.
Hn b i tn i p o p e E d i n b u rg u m s u b la pidibus;
in
Battersea fields,
Lon-
d i n u m
prope,
inter graniinum radices. Co pula tione obscrvavi.
V O L .
XI.
3 D 6 . Corpus
aut fusco-brunn co lineis du abu s rufescentibus.
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F . C o r p u s ruf‘csccns Iateri hus lineAque longitutlinali dorsali fusco-
Ihrs~11~1
ineis fortiorihus exara t i s , dist;intibus, rectis
subin-
h r i i
n
iicis.
t
I
11
a1
11
1 s
.
A n t
enn
ie
fu
sc
e
art cul s d
il
u i s. l’ed
es
1
11
tescen tes.
Gen. S . Citas P K D O S O I I A +.
Cor.y/is
lineare, dcpressuni, segmentis lateralitel- compressis,
mar-
Aritciiiice
arti culo secuntlo tertio breviore.
inatis.
*
Segtneiitis lateribits
ntedio
prominiilis.
Spec.
1. Craspeclosomn
Rnwlinsi i .
C.
tforso fiisco-brunneo
lineis qiiatuur punctorum all>idorun1,
Long.
Corp.
7 in.
H a b i t a t
inter niuscos ct sub lapidibus
pmpe
Eclinhurgniii
vulga-
Detexit
K.
kimlins, cujus
i io i i ic is
gcrit.
ventre pedihusque rufescentibus.
tissima.
Segmentis lateribus po st id productis .
Spec.
2.
Craspedosonia
polydesnioides.
C. dorso ru fo griseo, rentre pallido, p \ d I ~ u s ufcsceii tibus basi
I lnbi t c i t
i n
I)aiiiiioiii;i p r o p I’lynioutli, s u
>
lapidibus p;issiui.
Dorsuni lineA
lon-
gitutlinaliter impressurn. Segnienta valdi : protninentia, angulo
aiitico rotundato , postico retrorsurn producto , setifero, s e t & conic&
: l l t h .
Facies saturate rufo-grisea. Oculi atri. Antenna: r u b
grisex, suhpi losulE. Venter pall idus, albidus. l’edes rufks-
centes, basi
pallidi.
1 This genus was proposed by
my much
lamented friend Richard Rawlins, Esq. who
pall idis , angulo segnientorum
p o s t
i t . 0 st3tig-ero.
Detexit
I l o n i .
Rfontagu,
Corpus rufo-griseum,
pedi b u s pallidiorihus.
discovered the first species.
Fain. 111.
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Dr.
LE
C
1’s
Arrangement
of
the Crustncen,
&c.
.38
1
Fam.
711.
PO YDE ni I D :
s .
Oculi obsoleti.
Gen. 4. P O L Y D E S M U S ,clfr.
Spec.
1.
P o l y l e s m l s
complanrrtirs,
L t r t r
j u l u s cornplanatus.
.Liizu.,
F dw.
OBS.Genus
Pollyxenzis
Don]. Latr.
mi h i
invisunl.
Ordo 11. SPNGNATHA.
Fam. I.
C E R M A T I D E S .
Corporis segnienta tetrapoda.
SCUTIGERA,
atr.
Gen.
5.
C E R M A T I A ,llig.
Fam. 11. S C O L O P E N D R I D E G .
Corporis
segnienta duopoda.
Pedzrrn par posticuin reliquis ma-
nifest?
longius.
St i rps 1.
P e de s u t r in p e
15.
Gen.
6.
L I T H O B I U S .
Antennce
conico-setaceze, articulis (45circiter) subconicis, duobus
Labium inferius latk antick emargina-
asilarihus majoribus.
tum, margine
valdt:
denticulato.
Ocicli granulati.
Spec. 1.
Lithobius fo r jka tus .
L . capite lato, labio inferiore toto profundk impresso-punctato,
pedi bus tes taceo-Aavicantibus.
Scolopendra forficata.
Linn.
Habi ta t in Anglih, Hihernia rarior.
Long. Corp.
1 unc.
2 D 2
Antennz
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382
Dr.
I , E , ~ C I ~ ’ S
mangement
of
t h e
Crustacea,
&.
Antennae
sordidi:
estaccae. Mandibula: Lasi
sordid
testacek,
npice piceo-ferruginee. Labium
sordid
testaceurn, line%ongi-
tudinali profundihs impressurn, marginc ant ico dentibus basi
fer-
rugineis, apice piceo-atris. Antennae pilosulz.
Spec.
2. Lithobitis uariegatus.
I,.
capite corpore paulum latiore, labio toto punctis Iaeviter
im-
] l a b i t a t in l>anmoni& ustrali sub lapidibus passim.
Long.
Corp.
S-9
lin.
p un c a
0
ped ibu
sq
u e v a
r
iega s
n
e
c c
o
1
c
o or bus
.
pressis, ped i bus flavo-tes taceo-pallidis fusco-maculatis.
A praecedente differt, capitc angustiore, labio minus c r c l d
Spec. 3. Lititobius Lmilabrirm.
IJ
apite lato (femina? angustiore), labio g1ilh€‘I’l’iITlOpolito an-
tick leviter obscuribs pinctulato, pedi
i u s
testiicco-flark
Iluba’tut in Caledonia et lnsulis adjacenti t~us, ub lapidibus fre-
quens.
Labium glaberrini u m , n ick obscurk pi1nctula turn, laciniis mar-
ginibus
anterioribus rotundatis,dentibus Eerrugineis estrenio apice
piceo-nigris, nied io 1ongi
u d n
a1it&
i
111presso.
11a n d
ti u l
z apice
piceo-atride.
A n t c n n E
pilosule.
Stirps
2. I’rdcs
utr inque 21.
Gen.
7. S C O L O P E N D R A .
-1 rtenna conico-setaceae, 17-articulata., articulis subconicis.
0 s
3
aleis hemisph ~ricis ectum. Palyi exteriores cauli tfuplici,
ultiiiio articulo intern&compresso, apice ungui
b u s
duobus ar-
niata.
M n n d i b u h
val i t l~e ,
orneae,
eden
tulz.
LaGiurn
inferius
tissurii d ivisum , margine antico angustiori, recto, denticulato.
Corporis
segmerita rnarginata.
I’edes
pari antico
minitno,
ul-
timo
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D r .
L E A C H ' S
w angement
0, f ' the
Crustacea,
4c .
383
tiino niajore, articulo basilari inths spinoso.
Ocztli
octo,
qna-
tuor
utrinque in capitis margine antico figuram
subrtioxnboi-
dalem delinientibus.
Of this genus we have no indigenous spccies. All the species
(which
T
suspec t to he numerous) have been confounded together
under the title of
Scoloperidra morsitum,
and the character given
as specific applies to
all
the species
of the
geiius.
* Corporis
segmeiita sulaqzcalia.
Spec. 1. Scoloyeiidra Gigaa.
S. segmentis transversa-quadratis
angulis
rotundatis ferrugineo-
brunneis posticb l u teis, antennis palpis
galeis
pedibusque tes-
taceis : pedibus (pari antico excepto) articulo basilari (secun-
doque
nirihs) spinu
losis.
H a l i t a t
Long.
Corp. 96 unc.
AIus. D o m . Janieson.
Totum
corpus
s u b
lente punctulatum.
cco-;I
ri.
Labium ferrugineuni. Mandibultr: basi ferrugineae,apice
nigrtx.
Ungues calcesque
s u
bpi-
*;yI.
Corporis segnientu tramversa alternanlia,
quiti to
e t sexto
si ibceq ua libus.
Spec. 2.
Scolopendra alternans.
S. pedi
bus posticis articulo pritno trreti intern&spinuloso.
Scolopendra alternans. Leach, Edin.
E'ncyct.
vii.
IJaLitat
Spec. 3.
Scolopendra subspinipes.
S.
pedibus posticis articulo primo subtereti supra plano
ad
api-
13a bit
n
t
Rf us. Britan.
ceni intern&pauci-spinoso.
SI'CC.
4.
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384
111..
LEACH’S
rrangement
of
the
Crustacea,
&c.
Spec. 4. Scolopendra trigonepodu.
S.~ d i b u s
osticis trigonis articulo
primo
intern&
spinifero.
l l n b i t a t
M us . firitan.
fs* orporis segmeiitn elongata aut snbelongata irregulaiin.
Spec.
5.
Scolopeirdra morsitam.
f l ( i l i t n t
i n Iiidia.
Gen. S.
C I ~ Y P T O P S .
..11iteiri;ct: conico-setacez, 17-articulatae, art iculis globoso-subco-
nicis.
Lubiion
inferius
non
denticulatuin,
margine
antico
vix
ciiiargiiiato.
Pedes
postici articiilo basilari inermi. Ocitli ob-
scull.
Spec. 1. Cryptops horteiasis.
C.
testaceo-fcrru,rrineus dorso saturatiore, antennis
pedibusque
Scolopendra liortciisis.
Habi tut in liortis in coin. Devon. haud infrequens.
pi
1osi s.
Leach,
M s s .
iie
Donovan’s
Brit.
Ins.
Fan].
111.
GEOP I I I LI I I ES.
Corporis
seginenta tluopoda.
I’edes
d u o
postici
h a u d
manifestl:
aliis
longiores.
c;c>17. 9. G E O P I I I L U S .
I’edes
plur imi . Oculi
obscuri. (Lab i um fissuri
divisuni
?) Mai2-
dihctkc
v a l i d z . J t i t e i in n cylindric=, i n his apicem versus sen-
siin subangustiores, in illis 14-a rt ic ul at ~, rticulis omnibus sub-
cylindricis,
basi paululum
angustioribus.
Spec.
1 .
Geopliilw
curpopliagus.
G .
capi te an t cnn i s anoque fulvescenti bus, corpore violascente
p. Corpore
an tic&
flavicante, pcdibus pal l id&
subflavis.
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Dr.
LEACII’S
rrcinge)nent
o
t h e
Crustuceu,
4 c .
385
0. Corpore obscur&
su
~)\ , iolascente-testac~~ntic& su btestacco,
Long. Corp. 2--?+ unc.
13ubitat
i n
fi-uctibus Danmonix passim.
Caput flavuni, fuho variuni
; antennir:
fulvescentcs, articulis
apice pallidis
:
niandibulx
fulvesccutcs, pr i nc t i s apiccque a t r i s .
Dorsuni antic& flavicans line; loiigitudinali AavA utrinque v io -
lascente, parte ante mediurn usqae ad segiiientum iiltiinum vio-
lascente, IincEi longitudinali pallid%; atera pallida
l in&
undu-
lath,
sinuoscrl, cincreo-vjolascentc.
Veil
ter
dorsi coloris absque
li-
n
e
s margin a 1 i bus, part e 1 11c Y
o
n scc‘n
e
p u 1
c
Iier
r
m colore sat11
ra-
t ore 111ac 11
1
at5. P t : d cs su I,fltiv i, pa 11 d i, art cul is saturilt io r b ti s,
unguibus nigris.
Variat parte antic& haud flavh, pedibusque posterioribus ma-
gis
elongatis. Fort&sexus alter.
alias as siniillima.
Spec.
2. Geophilus subterraneus.
G.
corpore
flavo,
capi te subferrugineo.
Scol
o
pe
n
1
ra su
h c r
;ine
a.
Shn
a>.
Lo ng Corp. 3 unc.
Dorsum segmentis lateraliter prominulis, lineis duabus longi-
tudinali
bus
ahbreviatis impressis.
Pedes articulis subferrugineo-
t in
c
tis.
I n tile living stat e this species
may at a l l
timcs
bc
disting~iishcd
from the preceding, by its colour, and
by
the longitudinal abbrc-
viated
lines,
which are only to
be
seen whilst
the
aiiimal is alive.
I
observed whilst turning over some garden earth i n the m o n t h
of January, ti female
of
this species i n it cavity, (apparently formed
by
itself,) witti twenty-six young
ones,
which were pale yellow,
with the head a little darker in colour, and the articulations
of
the legs slightly
ferruginous.
U
ngnes iiigiicantes.
Spec. ‘ 3 .
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386
Dr.
E
C
11’s
Arrangement
of
the Crirstacea,
4 c .
Spec . 3. Gcopiiiliis acutninattrs.
C;.
corpore to to ferrugineo ant ice sensim angustiore, capite
an-
1,ong.
Corp. 18
unc.
Hnbitcrt in ter muscos rarior.
Mus.
Nostr.
I first.
observcd
this interesting species on Roborougli
Down,
ncar I ’ l ~ n ~ o ~ t l l ,nder a stone, ant1 was aftcrwards faroured by
3 f r .
Sowerby
n-it11
sererill
living
specimens,
wliich
he
received
aloiig
w i t h
sonie
inoss.
I t lias
once occurred i n Battersea
ficlds
t L 11
o
Ig t ni
0s
s.
The ante-
r ior part o f the
head
paler
than
the legs, which are slightly paler
than the hack.
Obseruat iot i .
‘l’o
th is division of
the
g e n u s Geopliilirs, Scolo-
yeiiclra electriccl of authors with two other ind igenous and some
exotic
species belong ;
but
a s
I
have
n o t
had opp or tun i t ies
of ex-
aill ining the l iving animals, I shall
at
present forbear
from
giving
a n y a c c o u n t
of
them.
t ick pe dibu sqa e di lu t ioribus .
'rile a n t e n n ~ ere of
equal
diameter t l iroughou
t.
** Antenncc
articulis
vuZd2
elongatis.
Spec.
4.
Geophilus longicornis.
G . corpo re flavo, c ap ite ferrugineo, ante nnis loiigioribus.
Long. Corp.
24
unc.
Habi ta t prope Ed inburgun i e t Lond inu m su b lap id ibus .
Classis 111.
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Classis 111.
A R A C II
X
1
z)
E
S.
From this class I have n o t only removed
the
Tetrcrcei*a
a n d
Myriapoila of Latreillc as bcforc iiieiitioiied,
b u t
also the
Parcrsitu
and
T/iy .~c~~io i i~’cr
f
the same a u t h o r , wliicli consist of
gcnui t ic
INsEcCrs
;
and to the A R A C I I N I D E S
have
a d d e d tlie genus
Nycteribia,
which agrees with t h e m in general structure.
Subclassis
I. C
I3
P €1
A
L 0
S T
0
R4
A
T A .
0 s frontale ail
c a p u t aduexuin .
( P e d e s octo aut sex.)
Pedes cosis, femoribus , tibizs tarsisque form distinctis.
Ordo
I. P O D O S ~ M A T A .
Curl) s 4-ar t c ula
t
ii in, e
t q u a s i e cox ir
u
m
j
u
ii c iolie e f o r
ii
a t
u
rii
.
0 s
tubulosuni.
Ocidi
yuatuor tu berculo
i i n p s i t i .
l’edes
octo.
Ord o I
I.
Po L
Y DI E
R
o
s o
M A
T A .
Corpus
e serie segmentorurn efformatum, abdomine haud
pedun-
c
u l a t o. 0 s
n u
id
i
bul is
d idac
ty lis e
inasill
is
i n s t ruc t u 111.
Ocirli
diio, quatuor, sex aut octo.
f’edes
octo.
Or do
1x1. I ) I M E R O S 0 3 l A T A .
COTus
e
seg i1
en
tis
duo
b us cfformatu
111, abd 0111
inc pccl i~c
iil
a .
0 s
uiandibulis
et
masi l l is
arrni i tum.
Ociili
sex
aut
octo.
Pcdos
oc
to.
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**
Pedes
co:lis,fe~~ioribits, ibiis
tars ispie . formA
speciuli ?mud
distimtis.
OrdO I ~ s hT 0 M E
R O
S O RL
A T
A .
Corpus e
segmento unico efformatum.
0 s cepius rostriforme, in
Y e d e s octo
aut
onnuliis maxillis aut inandibulis instructurn.
sex.
Subclassis
11.
N 0 T 0 ST 0
14
A
T A.
0s
dorsale ad dorsuui aff ixum.
(Pedes
sex.)
Subclassis 1.
C E P
H
A
L
0 S T
0 M
A
T
A.
Ordo I. YODOSOMATA.
OBS. CEMNIF.
orga na ovigera palpiforniia, elongata, articulata,
a d
rostri
bas in p o p e inser ta . Pedes coxis triarticulatis
;
femo-
r ibus 1-art iculat is
;
tibiis biarticulatis
;
arsis biarticulatis,
zin-
gziibus
instruct
s.
Fain. I.
Prc n’oGoxIDEs.
Man
dibN nu
1
1
z
Gen.
1.
PYCNOGONUM
uctorurn.
Pedes
subrobusti . Cox@ a r t i c u l i s s u b ~ ~ q u a l i b u stibia articulo
prinio longiore ; arsi articu lo prirno ~ i i i n i i i i o
uiigires
simplices,
validi. acuti .
O R G A N A v I G E R A
10-art iculata , ar t iculo
u l t imo
acutissimo,
~ n g u i f o r n i i ,
d
rostri
basin‘
segmento corporis ant ico annexa.
Spec. 1. Pycnogonum Rakenarum, a uc to r um .
‘IIabitat
in
ocean0
Europaeo,
e t
ad
l i t tora su b lapidibus.
Gen .
2.
YNO XI CNI LUS,a t r .
NYMPHON,ubr. ?
PYCNOGONUM,t h .
Fabr.
I’JI
LA N G
I v
L lllontagrt.
Yerlrs
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Pedes gracillimi ;
cox&
articulo medio longiore subclavato
;
i b i t c
articulo
primo
breviore
;
arsi articulo pr imo rninimo ; ungues
duplices, inaequales, acuti.
0 R G A
N A
O V I G E I L A 7-articulata, artiCU10 u~tilllo
u
berculiformi,
i n
segment0 antico ad rostri basin
u n o
u t r i n q u e
subtus
inserta.
A d
hoc
genus pertinent
P p o g o n z c m
spinipes, 0 t h . Fabr.
F t t .
G r m .
2 3 2 , Nymphon
hirtzrm, F a h .
? e t
Phalailgiunz s p i t t o s im ,
Mont agu , Trans .
Linn.SOC.
x.
tab.
5.Cfig.
7.
OES.
Species multas indigenas possideo, at characteres nonduni
Fam. 11.
N Y M P N O N I D E S .
elaboravi.
Mandibrtke du z, biarticulat~e, idactyk.
Gen. 3. A M M O T H E A .
Mandibuke rostro multo breviores, articulis aequalibus, digitis ar-
cuatis apice conniventibus.
Pa@
9-articulati, articulo tertiy
longissinio. Pedes graciles ; cox& articulo niedio longiore ; ibice
articulo primo subbreviore ; arsi articulo primo minimo
;
i n -
Sues
duplices inzquales.
O R G A N A
V I G E R A
9-articulata, pone rostrum
s u b
pedibus
a i l -
ticis fere inserta.
Spec. I. Aininothea carolinensis.
Ammothea carolinensis.
Habitat in Americz mari .
Mus. Britan.
NYMPHON,abr., L a t r .
P Y C N O G O N U M .iiZl., 0 Fabr.
Pi1
A L A
N G
I U M .
.Mandibuke
rostro
longiores articulis aequalibus, digitis curvatis
e t
per
totam
illoruni longitudinem conniventibus, ad apicein ab-
3 ~ 2
ru
ptitis
Leach, ,2002.
Miscell. i. 34. . 13.
Gen.
4. NYMPHON.
Linn., Gmel., M oi t t .
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390
Dr.
I.:ncii’s
Arrangement
o
the
Crustaceu,
c.
rup t ihs
aduncis. PaEpi 6-articulati, mticulo secundo
elongate,
sexto minimo. Pecles gracillinii
; coLrce
articulo niedio longiore;
tibicE articulo secundo
su
blongiore
;
cirsi articulo primo sub-
breviore ; uiigiies siniplices.
ORGANAv I GEI LA 10-articulata pone rostrum
sub pedibus
an-
ticis ferk inserta.
Spec. 1. Nynzpiiou femorcrtum.
Nyniphum feinoratum.
l dab i ta t i n rnari Hritannico.
Species adhuc elaborandz.
Leach, Xool. ,Wisccll. i. 45.
t. 19.f
.
OrdO
11.
P O L Y N E R O S O R I A T A .
Pcdes octo.
Ocitli 2, 4, 6
aut
8.
F a m . I.
SIRONIDES.
Palpi simplices. Munclibule didactylz.
Gen.
1.
SIRO,
a t r .
Spec. 1. Siro rubens.
Pam.
11. SCORPIONIDES.
ilfondibzde
didactylae. Pedes conformes. Palpi brachiiformes.
Siro rubens. L a t r .
Stirps
1.
Cnuda
nulla.
Oculi 2 aut
4.
Gen.
2.
O B I S I U M ,
llig.
Thor0 T
u
n par tus.
Cn
E
I
FE
R ,
L a t r .
Corpus cy 1 ndr cum
, fan
dib
u
ZCZ ponec
t
ae
.
Spec.
1.
Oculi 4.
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Spcc. I, Obisiirm trombiclioides, L n t r .
Montagu has confounded this species with another, under the
title
of Acaroides*.
Gen.
3.
C I I C L I P E I L ,
eofhy.
Corpus
depressuin.
T?iorax
triparti tus.
J1a)iclibulcz
breves.
O c d i 2*
Spec. 1 . C h e l i f r fasciatus.
C.
inanii ovatA,
abdo min e segmentis margine albidis .
Habitclt sub cort ice arborum.
This
species is mentioned by Gcoffroy (His t . d c s 1 ~ 2 s . i. 61s.)
Stirps
2.
Caud u articulata, elongata, aculeo curva to terrninata. Oculi 6 aut 8.
Gen.
4.
BUTIZUS.
S C O R P I Ozictorism.
OcuZi octo.
Spec.
1.
Butlms occitanus, Latr .
Gen . 5.
SCORPIO,
atr., Fubr.,
4 c .
Oculi sex.
Spec.
1. Scorpio eiiropceus, L n t r .
Fam. 111. T A R A N T U L I D E S .
ikfmadibdcc
m o n o d ac t y l t ~ .
Pedes
duo ant ici antenneformes,
gra-
cillimi ;
ex
postici consimiles. Oczili octo. PaZpi brachiiformes.
*
Yhalangium acaroides,
p. 7 of this volume.
Stirps
1.
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392
Dr .
L E A
Ii's
Armngement
o f
the Crustacea,
4.c.
Stirps
1.
Cauda Ji l formis.
Gen. 6. T H E L I P I i R O N U S , La i r .
T
R
ANT
L A ,
Fabr .
Palpi breves, crassi,
didactyli.
Thorax
ovalis.
Corpus oblonguin, cylindricunl.
Stirps
2.
Cauda nulla.
Gen. 7. T A R A N T U L A ,abr.
P I i R Y N u s ,
O h . ,
Latr . , 4 c .
Palpi elongati, monodactyli.
Corpus
breve, depressuni.
Spec.
1.
Tarantula l u n a ta .
T .
lunata.
Fubr. E n t .
Syst. ii.
433.
Ordo
111. DIMEROSOMATA.
Fam. I.
S O L P U G L D E S .
Oculi
quatuor.
Anus
simplex.
Gen. 1. S O L P U G A ,abr.
Spec. 1 .
Solpuga
araneoides, Pabr.
GB L E ODE S,
h t r .
Fam.
11. PHALANGIDES.
Oculi duo. Anus simplex.
Gen.
2.
P U A L A N G I U M ,inn.,
Fabr.,
Latr .
OPILIO,Herbst.
Fam.
111.
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Dr.
L E A
11’s
Arra?~genient
f
the
Crustacea,
§ c .
393
Fam.
I I I
A R A N E I D E S ,Latr .
Ocdi sex
au
t octo.
Araneides.
La tr . , Wa lc k .
For the genera of this faniily see
Latreille’s
Geiiera Crustaceorurn
e t Insecioritm ; and
his
Consirli.rutions GPiiPrnles siw
L‘Ordre Natzr-
re1 des Criistacds,
$c.
A ~ Z U Sapillis tenoriis.
Having been favoured with some very valuable and highly
in-
teresting remarks on the growth of the legs of a species
of
this
family, by that learned and indefatigable naturalist Sir Joseph
Banks, 1 take this opportunity of conirnunicating them to the
public.
A s Sir J. Banks
was
writing at Spring Grove, on the
2d
of Sep-
tember, one of the web-spinning species,
of
more than the middle
size,
passed over some papers on the table, holding a fly i n its
mouth. hluch surprised to see a sp ider of this description walk-
ing about
w i t h
its prey, and struck with somewhat unusual
i n the
gait of the animal, lie caught
i t ,
and placed
i t in
a glass f b r exa-
mination ; when instead
of
eight, he perceived that i t had but
three legs, which accounted for the inability of the creature to
spin
its web. But the curious circumstance
of
its having changed
its usua l economy, and having beconie a hunting instead of
a
spinning one, as well as a wish to learn whether its legs would
be
renewed, induced him to keep t he animal
in
the glass, horn
whence it could not escape, and to observe its conduct.
On the following morning tlie animal ate two
flies
given to it,
by sucking
o u t
the juices, but left the carcases whole.
T w o or
three days after it devoured the body a n d head of a’fly, leaving
only the wings
and
legs. After this time it sometimes sucked and
5umetimes a te the fly given
i t .
‘I’hisprobably depentled on the
state
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394
Dr.
LEA
11's
Arrangement
of
the
Crustacen,
l j c .
state of the fly. At
first
it consumed two flies in a
day,
afterwards
not more than one
i n
two days. Its excrement, wliich it voided
from the extremity
of
the abdomen, was at first of a
milky-white,
colour; bu t afterwards the mliite had a black spot in the
centre,
of
a
m o r e solid appearance than the surrounding fluid.
Soon
after its confinement it attenipted to form
a web
on
the
side of the vessel, but performed the Iiusiness very slowly and
clumsily, from the want of the proper nuinber
of
legs.
In about a
fortnight i t liad completed a very siiiall web, u p o n which it gene-
rally sat.
A month after having been caught, i t shed its sk in , leaving thc
slough hanging on the web. After this change five new legs a p
peared, not half
as long as
tlie other three legs, and of very
little
use to the aniiiial in ivalking.
Tliesc
new niciii bers, however, ex-
tended theniselves a littlc i n
about
three days, and became half
as long
as
the old ones : the web was now increased,
and
the ani-
mal continued
alniost
immoveably sitting upon it in the
clay-
time, unless drawn from it
or
attracted by
a
fly thrown to it
as
its usual provision.
Twenty-nine d ay s
afterwards
it again lost its skin, leaving the
slough hanging in the web,
i n
front of a liollo~v ell i t tiad woven
50
as
to prevent it from being completely w e n wlien lodged in
i t :
the
legs were now longer than before the change of skin, and
they grew somewhat longer still in three or fou r days , but did
not attain thc
size of
the
old
legs.
The anitiial now increased
i t s
web, and, being put into a s~rlalt
bowl as a more commodious residence, soon renewed a better
web
than the first.
I n
tliis state it
was
left on tlie 1st of
Novem-
ber, in the hope of k i n g found alive i n the next suininer, when
Aies reappear, and being subjected to furtlier obscr~ations.
On observing this animal, it appeared to this acute naturalist,
that
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Dr.
LEACH’S
rrangement
9f
the Cms ta c e a ,
4.c.
395
that those organs cal led palp i mere used by the animal in grasp-
ing and changing the position of i ts food whilst applied to the
action of the m andibules , serving in fact th e purposes of hands.
Hence i t occurred
to
Sir Joseph Ban ks tha t these parts were im-
properly named , and tha t they wer’c
really
similar i n funct ion to
the claws of scorpions ; whicli opinion is firmly supported by
analogy, as shal l o n some futu re occasion
be
shown, when the
subject has undergone fiirt l ier esamination.
Clerk
calls
the palp i ,
bracli ia ,
and
asserts that
they
contain
the
organs of generation ; an opinion entertained also by Linnk, who
says
L L Peiaes in pnlp is
gericnt ;” but, as Sir
J.
Banks
obscrves, this
opinion is no where
si ippor tcd
by a s ta tcn ien t
of
facts,
or of
aim
tomical exa mi nati on. ‘l’liat the palpi
of
all male spiders are c7a-
vate at their extremities, every naturalist
well
k n o w s ; but
if
thcy
really
c o nt ai n th e s e s u d organs
of
the male, i t is a circumstancc
of
a most
curious
natu re , a n d
w c l l
wor th the attentivc exaniinatioii
of
the
physiologis t ;
a n d
wc sli;tll feel
m u c h
obliged to a n y natu-
ralist who can givc
any
information as t o the t ru th o r f‘alsity of
h i s anonialous stntemen t.
S E C T 1 0
I .
Pecles anibulatorii.
0s
mandibul is jns tructuin .
r i
Fan). 1.
1
l : o ~ I J 3 r ~ ~ l n ~ s .
Y a l p i
porrecti ad apiceiii a p p w d i c c
St i rps
1.
m o bili instruct
.
Oculi
duo
in ped i in c i~ l t im
iiser
i.
C o r p s lincd
transversd
quasi
b ipar t i tum, par tc antic4
os, ocu Zos,
pedesque
quutuor
aiiticos
gerenfe .
VOL.
XI. 3u G C l l .
1.
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396
pr.
L E A C H ’ S
rrangement
of the Crustacea,
&,
Gen. 1.
T R O R I B I D I U M ,
abr. , 4.c.
Pe d e s octo.
C e n . 2.
O C Y P E T E .
Pedes
sex.
Spec.
1.
Ocype te
rubra.
0.
corpore rubro, dorso pilis longis raris pedibusque pilis brevi-
bus plurimis rufo-cinerascen tibus ob tectis, oculis
nigro-fuscis.
H a b i t a t in T ipu larid ibu s frequentissim;.
I
have
t ak en
no less
than sixteen specimens
of
this animal
from
one
gnat .
Stirps 2.
Oculi sessiles.
Corp us lined transversd haud
impressum.
Gen.
3. ERYTIIRXUS,
a t r .
Fam. 1 1 . G A M M A S I D E S .
0 s
mandibulis instructum.
PaZpi
po rrec ti simplices.
Gen.
4.
G A M M A S U S ,
n t r .
Fam. 111. A C A R I D E S .
0 s mand ibulis instructum.
P a l p i simplices brevissimi haud por-
recti.
Gen. 5. O R I B I T A , a t r .
Corpus
coriaceum.
Gen.
6.
A C A R U S ,
inn., Latr .
Fam.
IV.
IXODIDES.
Corpus niolle.
0 s ostro instructum. Ocztli abscondit i aut obscuri.
Stirps
1.
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D r .
LEACH’S
rt.angement
of
t he
Cmstacea ,
&.
399
Spec. 6.
I,mdes
Pari .
Is.scuto
elongato-su bhexagono fusco
:
disco
su
bferrugineo-fusco,
rostro ferrugineo-fusco, vaginA fusc$,
pedi
bus fuscis articulis
dilutioribus e t albidis,
Habitat
i n
Paro niajore.
Ros t rum f~r rug i i~co- f i l s cunl .
Vagina fusca. Clypeus utrinque
o
b
sc
u
r
iss
mi:
sub
e
x
cav
a
u
s.
Scu tu ni
el
on
ga 0-su
b 1
ex
agon
u m an-
tic&angustius,
disco
pallidiore. Pedes fusci, articulis pallidis e t
albidis
;
tibiae
articiilis
extirnis
ad
apiceni subferrugineis
;
tarsi
a1bid
i f a r t
ic
u
1is
o
bsc i r8
s
11b f uscis
.
The
d c a r u s iiientioned
by
hrIontagu iu his Paper 011 Rats
(Trtrns. Liii?1.SOC.ol. ix.) belongs to this
genus.
Ten]
pore au u
mnal i ,
vernal
Stirps 2.
Rostrum
e t
palpi
absconditi.
Gen. 8. UROPODA,
atr .
Fam. V. C H E Y L E T I D E S .
0 s
rostro instructum.
Oczili
distincti.
T l k
tribe still requires to be examined ; it contains t h e
genera
9, Cheyletus, 10.
Smcrris,
11 . Bdella, a n d
12.
Sarcoptes of Latreille.
S E C T 1 0
II.
Y e d e s
na
a
tori .
Fain. I. EYLAIDES.
0 s niandibu l i s inst ructurn.
..
G e n .
13.
EYLAIS,
utr..
Fain. 11. H Y D R A C I I N I D E S .
0 s niandibulis nullis.
Gen.
14.
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400
D r .
LEACH’S
rrangement
of
the
Cnistacea,
8 c
Gen. 14. H Y D R A C I I N A ,U Lair .
9 n l l ) i porrecti, appendice mobili instructi.
Gen.
15. LIM
NOCHARES, h t r .
Palpi
incurvati,
simplices.
Subclassis 11.
N 0 T 0 ST0 h.1
A
T A.
To this subclass belongs the genus Nycteribia
of Latreille
and Montagu ,
which
I
suspect
will
be
found
to constitute
two
very
distinct genera.