86 SALIVARY GLANDS OF LOWER PRIMATES 



(b) The main gland (5) occupies the sub- and pre-auricular regions, 

 overlying the masseter and sternomastoid. It is of irregular quad- 

 rangular shape, with a prolongation from the ventrocephalic angle 

 along the main duct, and is somewhat more loosely lobulated than in 

 the majority of the species belonging to this group. 



B. INTERUANDIBULAR COMPLEX 



(a) The submaxillary gland (i), of moderate size, occupies the usual 

 position, partly under cover of the mandibular angle, lying behind 

 the mylohyoid (/o), and above the digastric (p), crossed by the facial 

 vein {14). The main duct, in front of its intersection with the lingual 

 nerve, receives six short accessory ducts from three accessory submaxil- 

 lary glands (/")- two of which are located on the dorsal aspect of the 

 main duct, while one larger conglomerate mass, with three ductules, is 

 placed ventral to the same. 



(b) Greater sublingual gland (2). — The duct is separate from the 

 submaxillary duct, and opens by an independent orifice on the para- 

 frenular papilla. The gland lies under cover of the lesser sublingual 

 mass. Its caudal extremity is partly overlapped on the lateral as- 

 pect by the larger ventral accessory submaxillary gland. 



(c) Lesser sublingual glands (j). — These form a narrow, relatively 

 short mass, lateral to the preceding. In Fig. 5 this mass is shown 

 rotated into a vertical position to expose the underlying deeper and 

 more medial ducts and glands. 



B. MACACUS 



I. MACACUS CYNOMOLGUS 



Columbia University Morphological Museum, No. 2004, 



Fig. 6 



A. PAROTID 



The parotid forms an oval mass, occupying the interval between 

 the masseter and sternomastoid. The cephalic pole of the gland is 

 fitted around the caudal circumference of the external auditory 

 meatus. The caudal pole presents on its medial surface a concavity 

 into which the adjacent cephalic portion of the submaxillary gland fits 

 in the natural conditions. In Fig. 6 the latter has been depressed. 



