8. SEMNOPITHECUS. 13 
Nasalis larvatus. B.M. 
Ochre-yellow ; 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 & long nez, Buffon, Supp. vii. t. 11,12. Simia nasalis, Shaw. 
Cercopithecus larvatus, Wurmb. Nasalis larvatus, Geoff.! Nasalis 
recurvus, Vigors, Zool. Journ. iv. (nose distorted, in spirits)! Rhyn- 
chopithecus larvatus, Dahibom, p. 93. 
Hab. Borneo. 
The nose in Pennant’s figure is artificially prolonged ; and that of 
N. recurvus (Vigors), in spirits, 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 first dorsal.”—Dahlbom. 
Lasiopyga, Idiger; Pygathrix, Geoff.; both from a defective skin with 
the callosities destroyed. Lasiopyga, Dahlbom, p. 88. 
Lapsiopyga nemeus. Zhe Douc. B. M. 
Douce, Buffon, H. N. xix. p..298, t. Simia nemeus, Gmelin. Sem- 
nopithecus nemeus, F. Cuv. Mamm. Lith. t. Lasiopyga nemeus, 
en Pygathrix nemeus, Geoff. 
Hab. Cochin China. 
8. SEMNOPITHECUS. 
Nose moderate; nostrils lateral. Orbitslarge. 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 first 
dorsal.” 
Semnopithecus, F. Cuv. 1821. Presbytis, Eschscholtz, 1821. 
1. Head with short reflexed hairs. 
a. Whiskers elongated, acute, expanded. 1. 
b. Whiskers 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, 18, 14. 
