180 ; MR. OLDFIELD THOMAS ON [June 6, 
and yet are less arboreal in habit than other Anthropoids. It 
must be remembered, however, that they are far more capable of 
self-defence and much less liable to attack and therefore need less 
keenness of ear as an aid inavoiding 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 Hast Indies, namely, the Orang and the Gibbon, the larger 
and stronger has in each case small insignificant ears and the 
smaller and weaker large eaxs. 
EXPLANATION OF PLATE V. 
Hainan Gibbon (Hylobates 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 Woopwarp, 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 departures during the same period, by death and 
removals, was 185. 
Amongst the additions special attention may be directed to :— 
A Crowned Duiker (Cephalophus coronatus) from West Africa : 
deposited on May Ist. 
A Maxwell’s Duiker (Cephalophus maawelli) from W. Africa : 
presented by Lieut.-Col. Bartlett, R.A.M.C., on May 16th. 
A Nepalese Hornbill (Aceros nepalensis) from the Himalayas : 
received in exchange on May 18th. 
Two Sulphur-breasted Toucans (hamphastos 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 
Kast Africa and which appeared to represent a new species of 
the group. It was described as follows :— 
