Plate XXX 



Fig. io. Lagothrix humboldtii. Humboldt's lagothrix. Columbia University 

 Morphological Museum, No. igii. , 



/, /. Submaxillary gland and duct. 



/', /'. Secondary^ submaxillary gland and duct. 



i" . Accessory submaxillary glands. 



J. Lesser sublingual glands. 



4. Duct common to main submaxillary and secondary submaxillary glands. 



5, J. Parotid gland and duct opening. 

 9. Digastric. 



10. Mylohyoid. 



11. Geniohyoid. 



12. Geniohyoglossus. 

 jj. Lingual nerve. 



