Ep.a 



3 "l.A. 



Fig. 1 Outline drawing of ventral view of whole brain. Cor. cer., cortex cere- 

 bri; Ep.R., ependymal roof; Met., cerebellum; M.F., Y-shaped median furrow; 

 Myel., medulla; P, pons. The approximate areas from which the sections drawn 

 were taken are indicated by their respective numbers. 



Fig. 2 Outline drawing of entire brain — posterior view. Lettering as in figure 

 1. The region on the posterior pole of the right posterior lobe from which the 

 drawing for Area 4 was taken is indicated by the numeral. 



Fig. 3 Diagram of a median sagittal section of the entire brain. Aq.c, iter; 

 Cor. pin., pineal body; Nu.o.i., inferior olive and Nu. r., red nucleus; the position 

 of these nuclei are indicated by dotted lines; Tec. mes., midbrain roof; Th., thal- 

 amic mass; Vent., cavity of forebrain vesicle; V.q., fourth ventricle; other letter- 

 ing as in figure 1. The approximate areas from which the sections drawn were taken 

 are indicated by their respective numbers. 



353 



