PRIMATE ALVEOLINGUAL SALIVARY AREA 



147 



In tMs individual the greater sublingual gland (2) drains into the 

 terminal of the main submaxillary duct (/) but lies on the lateral 

 aspect of the lesser sublingual mass (j), instead of occupying the 



Fig. 21. Schema of adult human alvcolingual salivary complex (Part I, Fig. 9). 

 Submaxillary gland and duct. 



Jf.j'' 



Accessory sulimaxiliary gland and duct. 

 Greater sublingual gland and duct. 

 Lesser sublingual glands. 



typical intermediate position, as is the case in the three other 

 individual Chimpanzees examined. 



The greater sublingual gland, as appears clearly in many of the types 

 here figured, often deeply indents the median surface of the lesser 

 sublingual mass and projects beyond the latter's caudal border, some- 



FlG. 



Schema of variant alveolingual salivary complex of Troglodytes niger 

 (Part III, Fig. 2). 



1. Subma.xillary gland and duct. 



2. Greater sublingual gland and duct. 



3. Lesser sublingual glands. 



