PYGATHRIX 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., Vollstand. Naturg. Affen 

 1862, p. 93, fig. 225 ; Gray, Cat. Monkeys, Lemurs and Fruit- 

 eating Bats, Brit. Mus., 1870, p. 16; Schleg., Mus. Pays-Bas 

 Simiae, 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 Havimanus Less., Cent. Zool., 1830, p. 109, pi. XL 

 I. Geoff., Belang., 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 

 Miill. und Schleg., Verhandl., 1839-44, pp. 61, 67; Schinz 

 Syn. Mamm., I, 1844, p. 2,7; 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 Miill. und Schleg., Ver- 

 handl., 1839-44, pi. X bis, fig. 2, $. 



Presbvtis 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, pi. XVI, figs. 220, 221. 

 Semnopithecus (Trachypithecus) Havimanus Reichenb., Vollstand. 



Naturg. Affen, 1862, p. 93, pi. XVI, fig. 225. 

 Semnopithecus ferrugineus Schleg., Mus. Pays-Bas, Simiae, 1876, 



p. 42. 



BLACK-CRESTED LANGUR. 



Type locality. Bencoulen, Island of Sumatra. 



Geogr. Distr. Padang and the Idrapore district, north west 

 Sumatra (Schlegel) ; Bencoulen, (Rafiles), 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 



