24 



OLOF LARSELL 



of the septum that it seems certain that there is some comming- 

 hng of fibers from the nasopalatine nerve in the terminahs plexus. 

 This was also indicated, although somewhat less clearly, in 

 Weigert preparations. The Weigert material showed very 

 clearly that fibers from the anterior ethmoidal nerve take some 



cen. 



Fig. 5 A small cluster of cells slightly posterior and ventral to the ganglion 

 (gn.) of figure 3, illustrating some of the types of ganglion cells, together with 

 myelinated and unmyelinated fibers. Pyridin-silver technique. X 825. 



part in the formation of the peripheral plexus of the nervus 

 terminalis. As sho\vn in figure 22, which represents a portion 

 of this plexus in a kitten one day old, a few myelinated fibers 

 are present. Some of these were traced into a strand of the 

 anterior ethmoidal nerve, which lay in close proximity to the 



