Plate XXMII 



Fig. 8. Nyctipithecus trivirgatus. Douroucouli. Columbia University Mor- 

 phological Museum, No. 805. 



I, I. Submaxillary gland and duct. 

 J. Lesser sublingual glands. 

 5, 5. Parotid gland and duct opening. 

 8. Palatine glands. 

 10. Mylohyoid. 



