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. 853.—Skull of Orang-utan (Simia 
satyr us). 
Fig. 354.—Skull of Chimpanzee ( Troglo • 
dytes Niger). 
