348 COMPARATIVE ZOOLOGY. 
and in the greater complexity and less symmetrical dis- 
position of its convolutions. The cerebrum is larger in 
proportion to the cerebellum (being as 83 to 1), and the 
former not only covers the latter, but projects beyond it. 
The brain of the Gorilla scarcely amounts to one-third in 
Fie. 349.—Skull of European. 
volume or one-half in weight of that of Man. Yet, so far 
as cerebral structure goes, Man differs less from the Apes 
than they do from the Monkeys and Lemurs. The great 
gulf between Man and the brute is not physical, but psy- 
chical."* 
