VERTEBRATA. 
361 
Fig. 358.—Australian Savage. 
brain, and in the greater complexity and less symmetrica] 
disposition of its convolutions. The cerebrum is larger 
in proportion to the cerebellum (being as 8£ 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 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 Le¬ 
murs. The great gulf between Man and the brute is not 
physical, but psychical. 188 
