NERVOUS SYSTEM 



81 



D mm 



BODY WEIGHT GRAMS 



50 



ISO 



200 



250 



Chart 8 The continuous line represents the area of the corpus callosum 

 according to body weight, calculated by formula (11) the broken line shows the 

 means of the observed callosal areas. Albino rat. 



Fig. 4 Diagram of the entire brain of the albino rat seen from above, showing 

 the levels from which the sagittal and frontal sections were taken. SS', the 

 sagittal section; FF', the frontal section; O, middle point of the sagittal fissure. 



Fig. 5 Diagram of the entire brain of the albino rat, seen from the side and 

 showing the level from which the horizontal sections were taken. HH', hori- 

 zontal section. 



