Fig. 51. OBLIQUE-TRANSVERSE SECTION THROUGH MEDULLA, PONS, CRURA, AND 

 CEREBRUM. Viewed from in front. a, Optic thalamus. d, Third ventricle, c, Red 

 nucleus, d, Locus niger. e, e, Caudate nucleus. /, Lenticular nucleus, g, Floor of the 

 fourth ventricle. Remaining parts as in preceding figure. 



