THE PNEUMOGASTRIC NERVE 



351 



Branches. (a) In the jugular foramen: An auricular branch 

 (Arnold's), from the jugular ganglion, receives a branch from 



FIG. 62 



Hypoglossal nerve. 

 Vagus nerve. 

 Glossopharyngcal nerve 



Hypoglossal nerve, cervical plexus, and their branches. (Gray.) 



the petrous ganglion of the ninth, traverses a small canal in the 

 petrous portion of the temporal, crosses the aquseductus Fallopii, 



