.\lso visi1)lc evcry i iow ; int i t1ic.u \wrc I o n ~ thrc:;ccls, ilpparcmtlp fro111 spiders. Sonlu o f tlicsc. ncrt! sce.ii to reflect the light over ;I Icugtli ( i f thrcc or four yards, bu t any one piect: may of course have been longer. Each \\as more or less horizontal, moving at right ;ingles to its Irngtli. In one case an elongated tangled mass o f these gave the appearance o f i i frayed silken cord.

It is re;isonal)ly certain tha t these objects were balls of spiders' threads, possibly with tliistlrtlown entangled in them, but the way in \vhich they caught the rays of the Sun ;mtl ~ I O I I ( . 30 brightly \viw very striking. -1'. 1.. I,H\VIS,"

Port Hope is some60 miles east o f Toronto iintl a SLY. wind would waft these webs from the Middle West, where the saucvrs irere so often reported. The play of light would also explain why aeroplanes sent u p to iiivrstigatr could never f int l them. So one rlsr seems t o have seen them on this occasion. but perhaps \lr. 1,ewis \\:IS the only onr to he taking horizontal, post-pranclial rqmse i i t tha t ti me.

These threads appeared only i n the lo\ver levels.

I7ii.; may really be the ciiuse of the '. 1;lyiiig Saucer ' * scare.

Trinity (.ollcgi~ School. 1'. I < . RISHOI'

I'ort Hope, Ontgrio

\\'c 1i;ive bwn asked to correct :I printers' crror i n tlw origind letter 1)s C'. I ) . O V C ~ The n a i w of tlic fanlily ot' spitlrm there mcwtioned ant1 I:. 13rotviiiiiK. referrrtl to abovc.

Y ~ 1 0 1 1 ~ I ~ II i lVt ' l ) l ~ i A I l ~ . i l / l ~ / J h i l ~ / i l P . i<I ) I ' I 'C)KS. '

PHOTOGRAPHIC SKIES * By David Charles, 1'. l i . P.S. lliffc CY. Sons, Ltd., 1-onclon, 1948, .-)I. nrt.

'rhe object of this book ih to instruct the keen photographer how to obtain good cloud photographs and how to superimpose them on pictures with an tininteresting area of blank sky. 'I'he author has developed a new technique of printing-in suitable sky Imckgrorinds. the 1) C S. method, which overcomes most of the difticulties of earlier procedures : one great advantage is that i t produces a negative from which any nnmbrr of prints and enlargements can be m d e . This new technique is described in detail arid the photographer who has this book in his possession should be able to put into pictures taken on all tliow cloudless or nearly cloiirlless (lays just those skies which hc wished Ilad I,ecll ]>resent.

IlciLtlcrs of Il.'oatlwr will 1)roI)al)ly turn first to thc chapter entitled Y'akirzq A%!/ S r ! / d i v e s . in which useful advice is given about the type of film to use. cdculnting the rsposiire anti the ilpplication of filters. The author has found by I W S O I I ~ I cxpericncc that there is little t n jiistify the common belief that one ('ill1 tt4l by csillnining a. cloucl pliotngraph whether the snn was shining or not. iind. ~f it WiLh. then in what ctirec*tion If he is ( m w c + t , the problem of hiiper- imposing coiirincing cloud hnrkgrounds is obvioiisly greatly simplified. The ( ' ~ R l l i l ) l ( ~ ~ giveii i n tlrr book are srifficient to illustrntc the good result9 that can tw ac.l&x\wl Iiy tlw 1) (' S metI\ncI

0 M A * Re\ it.\\

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