CRANIAL SYMPATHETIC GANGLIA IN THE RAT 



203 



thetic, and reach large size (fig. 20) much in advance of neuro- 

 blasts in the nearest cranial sympathetic ganglion, the spheno- 

 palatine. Despite the apparent sympathetic character of the 

 cells, it must be realized that where the central course of the 

 fibers has been studied, their afferent nature has been strongly 



^rV \ 

 VJ N.C.N.T. 



Fig. 19 Rat embryo, 14 days, Carnoy's 6-3-1. Cells of the nervus terminalis, 

 in process of proliferation from the epithelium of the vomeronasal organ. Pro- 

 jection drawing, X 500. 



Fig. 20 Rat embryo, 15f days, vom Rath's technique. Neuroblasts among 

 fila olfactoria. Projection drawing, X 500. 



suggested, and although many excellent papers on the nervus 

 terminalis exist, no one person has followed both central and 

 peripheral course in a single form. 



