VERTEBRATA. 



357 



Fig. 352.— White-throated Sapajou (Cebus hypolencus). Central America. 



bellum. 184 "While in the Monkeys the skull is rounded 

 and smooth, that of the Apes, especially those coming 

 nearest to Man — the anthropoid, or long-armed, Apes, as 

 Gorilla, Chimpanzee, Orang, and Gibbon — is characterized 

 by strong crests. Monkeys take a horizontal position; 



Fig. 353.— Skull of Orang-utan {Simia Fig. 354— Skull of Chimpanzee (Troglo- 



satyrus). dytes Niger). 



