418 



THE HON. WALTER ROTHSCHILD ON 



Text-fig. ]01. 



[Dec. 13, 



Skull of Gorilla goriUa matschiei Rothsch. (Side view.) 



Gorilla gorilla diehli Matschie. (Text-fig. 103, p. 420.) 



Sitzungsber. Ges. naturf. Freunde Berlin, 1904, p. 52. 

 Habitat. Northern Camaroons. 



Gorilla beringert Matschie, (Text-fig, 104, p. 421.) 



Sitzungsber. Ges, naturf. Freunde Berlin, 1903, pp, 253-259, 

 Habitat. Kirunga, Ya Sabinyo Volcano, German East Africa. 



The genus and species of Chimpanzees now must be considered, 

 and the first and most vexed question is that of the correct 

 nomenclature. In common with Mr. Oldfield Thomas and most 

 of the continental and American zoologists, I adopt, as the starting- 

 point, Linnfeus's tenth edition of the ' Systema Naturae' (1758). 

 This being the case, I must now go into the changes it necessitates. 

 In the first Tpleice, Anthropopithecus Blainville, 1838, must sink, as 

 we find by the help of Palmer & Merriam's 'Index Generum 

 Mammalium,' p. 109, that there are the following generic names 

 older than Anthropopitheciis, viz.: — Troglodytes GeofFroy, 1812; 

 Pan Oken, 1816 ; and Theranihropus Brookes, 1828. Troglodytes 

 was used as a name for the Wren in 1806 by Yieillot, while 



