PYGATIRIZX 33 
Mamm., I, 1844, p. 36; I. Geoffroy, Cat. Primates, 1851, p. 
16; Gerv., Hist. Mamm., I, 1854, p. 63; Wagn., Schreb., 
Saugth. Suppl., V, 1855, p. 21; Dahlb., Stud. Zool. Fam. Reg. 
Anim., 1856, pp. 88, 90; Reichenb., Voilstand. Naturg. Affen, 
1862, p. 93, fig. 225; Gray, Cat. Monkeys, Lemurs and Fruit- 
eating Bats, Brit. Mus., 1870, p. 16; Schleg., Mus. Pays-Bas, 
Simiz, 1876, p. 43, (Part.) ; Anders., Zool. Exped. Yunnan, 
1878, p. 34; Id. Cat. Mamm. Ind. Mus. Calc., 1881, p. 
53; Forbes, Handb. Primates, II, 1894, p. 136. - 
Semnopithecus flavimanus Less., Cent. Zool., 1830, p. 109, pl. XL; 
I. Geoff., Bélang., Voy., Zool., 1834, p. 39; Waterh., Cat. 
Mamm. Zool. Soc. Lond., 2nd ed., 1838, p. 4; Less., Spec. 
Mamm., 1840, p. 60; I. Geoff., Compt. Rend., XV, 1842, p. 
719; Id. Archiv. Mus. Hist. Nat. Paris, II, 1843, p. 543; 
Mull. und Schleg., Verhandl., 1839-44, pp. 61, 67; Schinz, 
Syn. Mamm., I, 1844, p. 37; I. Geoff., Cat. Primates, 1851, 
p. 16; Gerv., Hist. Nat. Mamm., 1854, p. 63; Dahlb., Stud. 
Zool. Fam. Regn. Anim. Nat., fasc. I, 1856, pp. 88, 90. 
Semnopithecus sumatranus var. aurata Mill. und Schleg., Ver-, 
handl., 1839-44, pl. X bis, fig. 2, 9. 
Presbytis melalophus (!) Gray, Handb. Mamm., Brit. Mus., 1843, 
p. 2. 
Presbytis flavimana Gray, Handb. Mamm. Brit. Mus., 1843, p. 2. 
Semnopithecus (Trachypithecus) melalophus (!) Reichenb., 
Vollstand. Naturg. Affen, 1862, p. 92, pl. XVI, figs. 220, 221. 
Semnopithecus (Trachypithecus) flavimanus Reichenb., Vollstand. 
Naturg. Affen, 1862, p. 93, pl. XVI, fig. 225. 
Semnopithecus ferrugineus Schleg., Mus. Pays-Bas, Simiz, 1876, 
. 42. 
ede eines LANGUR. 
Type locality. Bencoulen, Island of Sumatra. 
Geogr. Distr. Padang and the Idrapore district, north west 
Sumatra (Schlegel) ; Bencoulen, (Raffles), Island of Sumatra. 
Genl. Char. Upright crest, compressed, running along the center 
of the head, and longest on the occiput ; body slender; hair long, soft; 
tail long. 
Color. Long black hairs along the forehead, golden cream yellow ; 
brownish black streak from eye encircling the crown; crest golden 
yellow becoming brownish black on the hind part; back of head and 
neck grayish yellow, the whiskers of the same color mingling with the 
hairs of hind neck below and behind the ears; entire upper parts of 
