TROc;i on^TES gorilla 



649 



Nothing ol thr human (ktail is lacking in this region ol tlic brain, save that 

 thr Ic-atiirc's arc all U'ss nnj)rcssi\cly drawn and lia\c a greater sniiplicity 

 ol outhne. 



IIG. 2()3B. DEIAILED niA(;RAM Oh BASE OF BRAIN, GOKILLA. 



A marked cliaracttMistic ol the primate bram is the dctachability of the 

 olfactory bulb and tract up to the trigonum ollactoiium, m c()nsec|uence of 



