17G 



THE >îERYOrS SYSTEM. 



(j) The roots of the first nerv^e (iV'. //i/pof/lo.^,viit) arise from the 

 spinal eord at a point between the first and second vertebrae ; they 

 run transversely outwards to escape between the first and second 

 vertebrae. The dorsal root is extremely slender. 



^^'^■''^- (2) The roots of 



the second nerve [N. 



VIII Auditory nerve. 



X Glossopharyngeal and 



pneumogastric nerves. 



,Yi R.amus anterior of glosso. 

 jiliaryngejd. 



.V2 Ramus posterior of glosso- 

 pharyngeal. 



.Y3, 4 Branches of ]ineiin)o;.'a.<- 

 tric. 



