320 LASIOPYGA 



Moustache (Cercopithecus cephus) F. Cuv., Hist. Nat. Mamm., I, 



1821, pi. XIX, 2me ed., 1833, p. 54. pi. XVII. 

 Cercopithecus cephus Less., Spec. Mamm., 1840, p. 77; Mart., 

 Mammif. Anim., 1841, p. 532; Wagn., Schreb., Saugth. 

 Suppl., V, 1855, p. 49: Dahlb., Stud. Zool. Fam. Reg. Anim. 

 Nat., fasc. I, 1856, pp. 103, 107 ; Reichenb., Vollstand. Naturg. 

 Affen, 1862, p. 105, figs. 252, 253; Gray, Proc. Zool. See. 

 Lend., 1868, p. 182; Id. Cat. Monkeys, Lemurs and Fruit- 

 eating Bats, Brit. Mus., 1870, p. 20 ; Schleg., Mus. Pays-Bas, 

 Simis, 1876, p. 91 ; Sclat., Proc. Zool. Soc. Lond., 1887, p. 

 502; 1893, p. 246; Forbes, Handb. Primates, II, 1894. p. 53; 

 Pousarg., Ann. Scien. Nat. Paris, III, 7me Ser., 1896, p. 140; 

 Bates, Proc. Zool. Soc. Lond., 1905, p. 70; Elliot, Cat. :Mamm. 

 Field Columb. Mus., F. C. M. Pub., VIII, 1906, p. 569. Zool. 

 Ser. ; Pocock, Proc. Zool. Soc. Lond., 1907, pp. 722, 723. fig. 

 187, pi. XLI, fig. 3 ; Thos., Proc. Zool. Soc. Lond., 1911, p. 127. 

 MOVSTACHED GVENON. Native name Osok. 

 Type locality. "Guinea." 



Geogr. Distr. Gaboon to the Congo, West Africa. 

 Genl. Char. Tail coppery red above and below; hairs on ears 

 white. 



Color. Face bluish slate gray; whitish blue stripe on upper lip 

 extending outwards from beneath nostrils, beneath which is a line of 

 black hairs forming a moustache, and merging with the black and 

 yellow speckled hairs on lower part of cheek ; black brow band extend- 

 ing on sides of head to ear, speckled in front with yellow hairs standing 

 upright ; crown of head speckled black and yellow ; back of head, hind 

 neck, entire upper parts of body, flanks and outer side of thighs 

 speckled rich ochraceous rufous and black; outer side of arms black 

 finely speckled with ochraceous rufous ; cheeks yellow, hairs near ears 

 ringed with black; hairs on lower parts of cheeks, above the black 

 moustache, annulated with black and yellow ; chin black ; sides of throat 

 reddish ; beneath chin, center of throat, chest, entire under parts of 

 body, and inner side of arms to elbows, and legs to near ankles gray ; 

 hands and feet black ; tail above like back at base grading into coppery 

 red, beneath gray at base becoming coppery red like upper part. 



Measurements. Total length, 1,360; tail, 780; foot, 135; ear, 28, 

 (Collector). Skull : total length, 113 ; occipito-nasal length, 93.5 ; inter- 

 temporal width, 45.5 ; Hensel, 80.3 ; zygomatic width, 78 ; median length 



