HFLOBATFES 157 
Anim., 1841, pp. 415, 442, pl.; I. Geoff., Archiv. Mus. Hist. 
Nat., Paris, II, 1843, p. 535; Schinz, Syn. Mamm., I, 1844, p. 
31; Blyth, Journ. Asiat. Soc. Beng., XIII, 1844, p. 464; Gerv., 
Hist. Nat. Mamm., I, 1854, p. 55; Reichenb., Vollstand. 
Naturg. Affen, 1862, p. 174, figs. 441-444; Anders., Cat. 
Mamm. Ind. Mus. Calc., 1881, p. 26. 
Hylobates hoolock Waterh., Cat. Mamm. Mus. Zool. Soc. Lond., 
2nd ed., 1838, p. 3; McClell., Proc. Zool. Soc. Lond., 1839, p. 
148; I. Geoff., Archiv. Mus. Hist. Nat. Paris, II, 1841, p. 
535; Martin, Mammif. Anim., 1841, pp. 416, 438, fig.; Blyth, 
Journ. Asiat. Soc. Beng., XI, 1841, p. 838; XIII, 1844, pp. 
464, 476; XLIV, 1875, ext. no. p. 1; Jd. Cat. Mamm. Asiat. 
Soc. Beng., 1863, p. 4; Gray, Handb. Mamm. Brit. Mus., 
1843, p. 2; Schinz, Syn. Mamm., I, 1844, p.. 29; I. Geoff., 
Cat. Primates, 1851, p. 9; Horsf., Cat. Mamm. Mus. E. Ind. 
Co., 1851, p. 2; Gerv., Hist. Nat. Mamm., I, 1854, p. 54, fig. ; 
Dahlb., Stud. Zool. Fam. Reg. Anim. Nat., fasc. I, 1856, 
p. 76; Sclat., Proc. Zool. Soc. Lond., 1860, p. 86, pl. V; 
Reichenb., Vollstand. Naturg. Affen, 1862, p. 168, fig. 425; 
Gray, Cat. Monkeys, Lemurs and Fruit-eating Bats, Brit. 
Mus., 1870, p. 11; Schleg., Mus. Pays-Bas, Simiz, 1876, p. 
14; Anders., Zool. Res. Exped. Yunnan, 1878, p. 1; Blanf., 
Faun Brit. Ind., Mamm., 1891, p. 5; Forbes, Handb. Pri- 
mates, II, 1894, p. 161; Candl., Proc. Zool. Soc. Lond., 1906, 
p. 187. 
?Hylobates scyritus *Ogilby et Auct., nec desc. vide Anderson, 
Zool. Res. Exp. Yunnan, 1878, p. 1, note. 
Hylobates hulok Wagn., Schreb., Saugth. Suppl., I, 1840, p. 76; 
V, 1855, p. 20. } 
Hylobates houlock Less., Spec. Mamm., 1840, p. 54. 
THE HOOLOCK. 
Type locality. Garo Hills. 
Geogr. Distr. Upper Assam to Sylhet and Cachar and the Khesia 
and Garo Hills, Chittagong, Arakan, south to Martaban. Defile of 
the Irawady below Bhamo, Upper Burma, and Kakhyen Hills on the 
eastern boundary of Yunnan. 
Color. Adult male. White frontal band; rest of pelage, hands 
and feet black. Female. Pelage generally tinged with brown; often, 
however, the color is pale yellow, or grayish yellow; nude face en- 
circled with white; under parts and sides of head brown. Young males 
*T have not found this name as given by Ogilby. 
