194 THE MONKEYS 



1 88, 189). The brain of the orang has a capacity of but 

 twenty-five cubic inches ; that of the chimpanzee twenty-six 

 cubic inches, and that of the gorilla from twenty-five to 



Fig; 188. — Skull of a Chimpanzee. Fig. 189. — Skull of a Man. 



thirty-nine inches. In man it is twice as great, ranging 

 from seventy-five to ninety-two cubic inches, so that a 

 vast gulf separates man and the monkeys despite the close 

 anatomical resemblance between the two. 



