190 Journal of Cojuparative Neurology and Psychology. 



tr.ol facto 



Fig. 9. A transverse section through the braiu of a half-grown frog tadpole, 

 taken just behind the olfactory bulbs. Golgi method, x ''^^ 



The nervus terminalis is shown immediately after its entrance into the 

 cerebral hemisphere. A few fibers of the tractus olfactorius are impregnated 

 ventrallv of it. 



Fig. 10. The section following immediately caudad of the one shown in fig. 

 9. X TO. 



The section is very thick and shows almost the whole central course of the 

 nervus terminalis and its ending by free arborizations in the nucleus medianus 

 septi. The tractus olfactorius lateralis is also impregnated. 



