Plate XXII 



Fig. 2. Troglodytes niger. Chimpanzee. Columbia University Morphological 

 Museum, No. igo4. 



/. Submaxillary gland. 



2. Greater sublingual gland. 



J. Lesser sublingual glands. 



4. Common terminal of submaxillary and greater sublingual ducts. 



5, 5. Parotid gland and duct. 

 Q. Digastric. 



10. Mylohyoid. 

 //. Geniohyoid. 

 7 J. Lingual nerve. 



