1 86 Journal of Comparative Neurology and Psychology. 



_,^'ir olfcictorius sepii 



"^N^. "'^-la.t. forebrairv bundle 

 ^^^/a: olfactorius veniro-lat. 



Fig. G. Through the most rostral part of the hiniiua terminalis. X 30. 



The tract marked medial forchrain hividle on the right side is composed 

 chiefly of the crossed portion of this tract (cf. flg. 7). Fibers of the uncrossed 

 portion of this tract arise from the cells marked J) on the left side. As in fig. 5, 

 the tract marked tt: olfactorius mcdialis contains also tertiary olfactory fibers 

 for the nucleus medianus septi. 



