Plate XXI 



Fig. I. Simia satyrus. Orang. Columbia University Morphological Museum, 

 No. 2129. 



/, I. Submaxillary gland and duct. 



2, 2. Greater sublingual gland and duct. 



J. Lesser sublingual glands. 



5, 5. Parotid gland and duct. 



6. Accessory parotid gland. 

 10. Mylohyoid. 



14. Facial artery. 



ij. Facial nerve. 



16. Masseter. 



17. Sternomastoid. 



