OBSERVATIONS ON THE EARLY BEHAVIOUR OF A YOUNG AFRICAN ELEPHANT Loxodonta africana
THE HEAD OF SCATOPHILA UNICORNIS CZERNY (DIPTERA)
THE REPRODUCTIVE ORGANS OF SCATOPHILA UNICORNIS CZERNY (DIPTERA)
THE DESCRIPTION OF SCATOPHILA UNICORNIS CZERNY, 1900 (EPHYDRIDAE, DIPTERA)
Facial Expression in Primates with Remarks on a Parallel Development in Certain Carnivores (A Preliminary Report on Work in Progress)
Bringing up a Young Monkey (Erythrocebus patas)