Plate XXIII 



Fig. 3. Cynocephalus sphinx. Papion baboon. Columbia University Morpho- 

 logical Museum, No. IQ05. 



1,1. Submaxillary gland and duct. 



1" . Accessory submaxillary gland. 



2. Greater sublingual gland. 



J. Lesser sublingual glands. 



5, 5. Parotid gland and duct opening. 



10. Mylohyoid. 



11. Digastric. 



I-]. Sternomastoid. 



18. Panniculus. 



ig. External jugular vein. 



