424 COMPARATIVE ANATOMY AND PHYSIOLOGY. 



OL 



S'Jl 



I.0o. 



01 



Fig. 182. Lateral views of the Brain of : B, A Pig. c, A Chimpanzee, 

 drawn of nearly the same absolute size. 



Ol, Olfactory ; A, frontal; B, occipital : c, temporal lobes; s.?/, sylvian fissure; 

 in, island of Reil ; s.o?% supraorbital ; s F, Btiperfor : M F, middle ; I F, inferior 

 frontal gyri ; A P, antor>>-parietal ; p p, postero-parietal gyri ; u, ml CM of 

 Rolando; p Pi, postero-parietal lol>ule; opf, occipito-temporal sulcus; MI, 

 angular gyms : 2, 3, 4, annectent gyri ; A T, M T, p T, temporal ; s oc, 11 oc, 

 ioc. occipital gyri. (After Huxley.) 



