NERVUS TERMINALIS: MAMMALS 



41 



So far as the writer is aware, similar structures have not 

 heretofore been described in the walls of the cerebral blood- 

 vessels. Huber ('99) noted myelinated fibers along the walls of 

 the cerebral arteries of the cat, and considered them to be sen- 



resp. epith. 



.x.v,»;^; ,j.T:, V;-;- *^.4- ^.rjtf^. ".- 



,bl.v. 



<o 



Fig. 30 • Free nerve terminations in respiratory portion of nasal mucosa of 

 kitten one day old, also a portion of the nervous plexus. Pyridin-silver tech- 

 nique. X 600. 



Fig. 31 Portion of the septal plexus of the nervus terminalis of kitten one 

 day old, showing one of the fibers bifurcated and ramifying into slender twigs 

 which appear to have been cut off at their ends. Pyridin-silver technique. X 

 600. 



sory as distinguished from the unmyelinated motor fibers which 

 he found in company with them. 



The compact form of this type of endings, differing to so 

 marked a degree from the other type which has been described 

 as motor, and closely resembling sensory terminations in other 



