160 



LECTURE VI. 



" 3. That the lilppoeam'pus minor is neither peculiar to, nor 

 characteristic of man, as it is found in certain of the higher 

 quadrumana." 



Fig. 58. Top view of brain of the Chimpanzee, after Marshall. 



CO, 



On the right side, the ventricle with the posterior comu, are laid open. 

 For description, compare figures 30 and 36. 



The English now begin energetically to study the anatomy 

 of the simian brain ; Marshall dissects a chimpanzee ; Rol- 

 leston, an orang; Huxley, an ateles ; preparations, drawings, 

 and photographs are made, and — Huxley's assertions remain 

 unshaken. Owen appeals to older drawings of Tiedemann, 

 Van der Kolk, and Vrohk, to support his negative opinion ; 

 whilst his opponents appeal to the same works to prove their 

 positive opinion. But this is too much for the phlegmatic 

 Dutchmen. "Mr. Owen," they write, "has been carried 

 away by his desire to upset the theory of Darwin (of which 



