Stowell.] 



47(3 



[May 21, 



B. Physiological. 

 This nerve is chiefly sensory ; there are fibres from the motor root and 



from the sympathic ganglia ; it is a nerve of the special sense, taste ; 



it sustains peculiar relations to glandular secretion in the lachrymal 



and salivary glands. 

 The indirect relation of this nerve with the facial, the glossopharyngeal 



and the vagus may have a profound pathological signification. 



EXPLANATION OF ABBREVIATIONS USED IN THE DIAGRAM. 



No attempt has been made to draw the diagram to a scale or to show 

 relations in perspective. To avoid confusion it was thought expedient to 

 represent even the same structure in different parts of the diagram — e. g., 

 the labial plexus and the eyelid. 



Ill, N. oculo motorius ; XII, N. hypoglossus ; Aur. ect., auris ectalis ; 



