THE BEAIN. 



387 



Open up the descending cornu along its whole length, by 

 carefully cutting aivay the older and ventral walls of the 

 temporal lobe. 



iv. The hippocampus major is a prominent convex 

 ridge, projecting into the floor and inner side 

 of the descending cornu, along its whole 

 length. Compare fig. 65, p. 380. 



-OP 



Fig. 67.— Lepus cuniculus. 



The brain dissected from above. Enlarged. 



u. H. H.) 



O, lateral lobe of cerebellum. OA, pillars of cerebellum. CB, cut edge of 

 velum medullae posterius. CC, corpus callosum : the right half is removed. 

 CD. cut edge of corpus callosum. CP, flocoular lobe of cerebellum. CS, 

 corpus striatum. P, anterior limit of body of fornix. H, hippocampus major. 

 M, medulla oblongata. O, olfactory lobe. OP, anterior optic lobe. P, pineal 

 bodv. V, fourth ventricle. 



V. The corpus striatum is a thickened part of the 

 wall of the hemisphere, forming the outer side 



co2 



