NERVUS TERMINALIS IN AMIA 



85 



kin and Cajal to be in relation to the olfactory glomeruli. It 

 may be that their endings in Amia have no connection with the 

 nervus terminalus. 



The course of the fibers of the nervus terminalis after joining 

 the olfactory bulbs, was not made out with any degree of clear- 

 ness until a large number of Golgi preparations were made of 

 young Amia about 75 mm. long. One hundred of these small 



C&fOT 



tertj 



olfactotlus 



Fig. 19. Reconstruction from four sagittal Golgi sections 60 micra thick, of 

 young Amia head, total length of fish 75 mm. All non-essential details omitted, 

 to show the course of the nervus terminalis as seen from the median plane pro- 

 jected upon the outline of the most lateral of the four sections. The numbers in- 

 dicate the sections from which a given part was taken. X 50. 



iishes' heads were treated by the Golgi rapid process and trans- 

 ferred from the osmium-bichromate mixture to the silver in lots 

 of ten or more at intervals of five or six hours from the second to 

 the fifth day after immersion in the fixing fluid. In two of the 

 earliest of these lots the fibers of the nervus terminalis were im- 

 pregnated, while few or none of the fila olfactoria were shown. 

 Fig. 19 is reconstructed from camera drawings of four sagittal 



