350 



THE MORPHOGENESIS OF THE CENTRAL NERVOUS SYSTEM 



Median olfactory 

 gyms 



Middle olfactory 



gyrus 



Diagonal gyrus 



C erebellum 



Insula 



Lat. olfactory gyrus 



Gyrus ambiens 

 Cyrus semilunaris 



Oliva 



FIG. 354. Ventral view of the brain of a i op mm. fetus to show the rhinencephalon (Kollmann) 



Sulcus postcentralis- 



Sukus centralis 



Inferior 

 frontal 

 sulcus 



Occipital 

 pole 



Superior temporal gyrus Middle temporal gyrus 



F IG - 355- Lateral view of the right cerebral hemisphere from a seven months' fetus 



(Kollmann). 



