8. SEMNOPIXnECUS. 13 



Nasalis larvatus. B. M. 



Ocbre-ycllow ; head and upper part of the body chestnut ; crupper, 

 tail, forearms, and legs greyish-yellow ; chin bearded ; face, ears, 

 and palms of a dusky leaden colour ; tail shorter than the body and 

 head. 



Guenon a long nez, Buffon, Supp. vii. 1. 11, 12. Simia nasalis, Shmc. 

 Cercopithecus larvatus, Wunnb. Nasalis larvatus, Geojf. ! Nasalis 

 recm'vus, Vigors, Zool. Journ. iv. (nose distorted, in spuits) ! llhyn- 

 cliopithecus lanatus, Dahlbom, p. 93. 

 Hah. Borneo. 



The nose in Pennant's figure is artificially prolonged ; and that of 

 N. rerttrvHS (Vigors), in sjnrits, was distorted by being pressed against 

 the side of the bottle. 



7. LASIOPYGA. 



Nose moderate. Orbits large. Body robust. Limbs strong, of nearly 

 equal length ; the upper and lower arm-bones of nearly equal 

 length ; thumb perfect, short. " The spinous process of the seventh 

 cervical vertebra as long as that of the fii'st dorsal." — Dahlhom. 



Lasiopj'ga, Illiger; Pygathi'ix, Geojf.; both from a defective skin with 

 the callosities destroyed. Lasiopyga, Dahlbom, p. 83. 



Lapsiopyga nemeus. The Douc. B. M. 



Done, Buffon, II. N. xix. p. :?98, t. Simia nemeus, Gmelin. Sem- 

 nopithocus nemeus, F. Cuv. Mamm. Lith. t. Lasiopyga nemeus, 

 lUigcr. Pygathrix nemeus, Geoff. 



Hob. Cochin China. 



8. SEMNOPITHECUS. 



Nose moderate ; nostrils lateral. Orbits large. Body slender ; the 

 arms much shorter than the legs ; thumbs moderate, small, some- 

 times almost rudimentary ; the forearm-bones short. " The spinous 

 process of the seventh cervical vertebra half the length of the fii-st 

 dorsal." 



Semnopithecus, F. Cuv. 1821. Presbytis, Eschscholtz, 1821. 



1. Head with short reflexcd hairs. 



a. Whiskers elongated, acute, expanded. 1. 

 h. Wliiskers short. 2, 3. 



2. Head with short hair diverging from a central point. 4, 5, 6. 



3. Head with a broad crest of erect hairs across the forehead. 



7, 8, 9. 



4. Head with a longitudinal, compressed crest of long hairs, 



10, 11, 12, 13, 14. 



