PROSENCEPHALON OF MAMMALS. 



113 



having the ( outer root,' fig. 82, x, which is continued from the 



basirhinal tract, 1 ib. h, the ' inner 



** Q 



root,'y, and the intermediate ' per- 



;--^-0YOj-7 f orate body or tract,' ib. r: the 



lateral ventricle is continued into 

 the rhinencephalon (fig. 79, 



80 



l.epus. d Corpus striafura. 

 e TiEiiia seVuicirc. / Hippoc. major. 



Mesencephalon and section of cerebellum, 

 Agouti, xxxii". 



The chief brain-characters of the Lissencephala are, the noii- 

 cxtension of the cerebrum over the cerebellum, the paucity and 



81 



Base uf tlie brain, Aguuti. xxxii". 



Base of the brain, Porcupine (Hystrix crisiata). xxxii". 



1 Part of the ' n at i form protuberance ' or ' lobe of the hippocampus ' of some anthro- 

 potomists. 



VOL. III. I 



