No. 6 . 



ABSTKACT OF THE PROCEEDINGS 



OP THE 



ZOOLOGICAL SOCIETY OF LONDON.^" 



April 19th, 1904. 

 Dr. Henry Woodward, F.R.S., Vice-President, in tlie Chair. 



The Secretary read a report on the additions that had been 

 made to the Society's Menagerie during the month of March 1904, 

 and called special attention to a young female Snow- Leopard 

 {Felis tmcia), from the Pamirs, presented by Capt. Mackintosh ; 

 to two young female Cheetahs [Gynoeh(,7'us juhatus), from Somali- 

 land, presented by Capt. Barnard ; to adult male and female 

 examples of the Nisnas Monkey {Cercopiihecxds pyrrhonot%is\ from 

 Uganda, presented by Mr. C. R. Hall ; and to a Potto (Perodic- 

 ticus potto) and two North- African Crowned Cranes (^Balearica 

 pavonina), from Lagos, presented by Dr. Macfarlane. 



Mr. Oldfield Thomas, F.R.S., exhibited some skulls of a small 

 North Australian Rock- Wallaby {Peradorcas concinna Gould), 

 illustrating the recently discovered fact that this animal, in 

 common with the Manatee alone of all Mammalia, had a con- 

 tinuously renewed molar series, fresh teeth growing up and 

 pushing forwards from behind pari passu with the fall of worn- 

 out teeth in front. No evidence was available as to the number 

 of successive teeth produced in the course of the animal's life, but 

 a minimum of seven molars (that is, three more than the normal) 

 was certain. 



Mr. Oldfield Thomas also exhibited the skin and skull of a 

 Hartebeest shot by Mr. F. J. Jackson in Uganda, which he 

 considered to represent a new subspecies, and described it as 

 follows : — 



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