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; 
but the Apes assume a semi- 
erect attitude, the legs being 
shorter than the arms. In 
Fig. 353.— Skull of Orang-utau ( Simia 
satyr vs). 
Fig. 354.— Skull of Chimpanzee ( Troglo • 
dytes Niger). * 
