200 'Journal of Comparative Neurology and Psychology. 



--Lmedian cau\tv^ 







^ 



j-^^^'-^^j-w-teft-^ 



n Te r m . 



^H^l V. .' ii^ ^:^.V^-/itrr olf loir. med. 



*j^ 



%feom interuulLr. 



Fig. 6. Transection through the rostral part of the anterior commissure 

 of a carp about 35 cm. in length. Ramon y Cajal method. X 156 (Zeiss 

 comp. oc. G, obj. 8 nnn. Reducecl to two-thirds). Shows the entire decussa- 

 tion of the nervus terminalis of the right side and part of that of the left. 

 The cells of the nucleus of termination are not shown, com. interbull)., com- 

 missura interbulbaris ; n. term., nervus terminalis ; tr. olf. loh. med., tractus 

 olfacto-lobaris medialis. 



