180 MR. oLDFiELD THOMAS ON [June 6, 



and yet ai'e less arboreal in habit than othei- Anthropoids. It 

 must be remembered, however, that thej ai-e far more capable of 

 self-defence and much less liable to attack and therefore need less 

 keenness of ear as an aid in avoiding enemies. In this connection 

 it is important to note that of the two Apes inhabiting W. Africa, 

 namely the Chimpanzee and the Gorilla, and of the two inhabiting 

 the East Indies, namely, the Orang and the Gibbon, the larger 

 and stronger has in. each case small insignificant ears and the 

 smaller and weaker large ears. 



EXPLANATION OF PLATE Y. 



Hainan Gibbon {Hylohates hainanus), from the female specimen now living in the 

 Society's Menagerie. The lower figure, taken from an obscure photograph by 

 Mr. W. P. Dando, F.Z.S, represents the Ape when she first came to the Gardens. 

 The upper figure, modified from a photograph of another Gibbon, shows her as 

 she has been since the change of colour took place. 



June 6, 1905. 



Dr. Henry "Woodward, F.R.S., Vice-President, 

 in the Chair. 



The Secretary read the following report on the additions that 

 had been made to the Society's Menagerie in May 1905 : — 



The registered additions to the Society's Menagerie during the 

 month of May were 367 in number. Of these 174 were acquired 

 by presentation and 27 by purchase, 129 were received on deposit, 

 25 by exchange, and 12 were born in the Gardens. The total 

 number of depai-tures during the same period, by death and 

 removals, was 185. 



Amongst the additions special attention may be directed to : — 



A Crowned Duiker {Ceplialo'phus coronatus) from West Africa : 

 deposited on May 1st, 



A Maxwell's Duiker [Cephalophus maxivelli) from W^. Africa : 

 presented by Lieut.-Col. Bartlett, R.A.M.C, on May 16th. 



A Nepalese Hornbill {Ace7'os nepcdensis) from the Himalayas : 

 received in exchange on May 18th. 



Two Sulphur - breasted Toucans {Rhcmiphastos carinatus) : 

 purchased on May 13th and May 23rd respectively. 



Mr. Oldfield Thomas, F.R.S., exhibited a specimen of a Bush- 

 buck which had been obtained by Mr. C. W. Haywood in British 

 East Africa and which appeared to represent a new species of 

 the group. It was described as follows : — 



