352 LASIOPYGA 



Color. Mixed white and black band on center of forehead over 

 eyes, the white hairs very long and extending to ears ; sides of fore- 

 head and band extending backwards to ear, jet black; top of head, 

 hind neck, shoulders and upper parts except dorsal line, black, hairs 

 tipped with white ; dorsal line from middle of back to rump speckled 

 chestnut and black ; cheeks mixed buff yellow and black, the buff yel- 

 low predominating; whiskers cream color grading into white of neck 

 and throat ; outer side of arms black, the hairs to elbows tipped with 

 white, the black on lower side edged with orange yellow ; stripe along 

 flanks below back orange yellow ; thighs tawny ochraceous on outer 

 side uniform, but black speckled towards hinder edge; below knees 

 tawny, becoming speckled like thighs towards hinder part; chin, 

 throat, inner side of limbs white; under parts of body yellowish white; 

 hands and feet black; tail, above black and gray speckled, gradually 

 passing into black, which color embraces over half the length of the 

 tail, beneath at base yellowish gray ; ear tufts orange. 



Measurements. Total length, 1,270; tail, 790, (skin). Ex speci- 

 men from Batempas, Sunkuru, Congo. Skull : total length, 95 ; occip- 

 ito-nasal length, 82.9; intertemporal width, 43.4; Hensel, 68.1; zygo- 

 matic width, 62.2; median length of nasals, 13.5; palatal length, 34.4. 



A living example of this beautiful species was in the Menagerie 

 of the Royal Zoological Society at Antwerp, Belgium, where I saw it 

 in 1909. 



Lasiopyga campbelli (Waterhouse). 



Cercopithecus campbelli Waterh., Proc. Zool. Soc. Lond., 1838, 

 p. 61; Martin, Mammif. Anim., 1841, p. 544; Fras., Zool. 

 Typ., 1848, pi. Ill; Peters, Reis. Mossamb., Saugth., 1852, 

 p. 4; Wagn., Schreb., Saugth. Suppl., V, 1855, p. 44; 

 Reichenb., Vollstand. Naturg. Affen, 1862, p. 109, fig. 270; 

 Gray, Proc. Zool. Soc. Lond., 1868, p. 182 ; Id. Cat. Monkeys, 

 Lemurs and Fruit-eating Bats, Brit. Mus., 1870, p. 24; 

 Schleg., Mus. Pays-Bas, Simise, 1876, p. 79; Jent., Notes 

 Leyd. Mus., X, 1888, p. 9; Sclat., Proc. Zool. Soc. Lond., 

 1893, p. 251; Forbes, Handb. Primates, II, 1894, p. 70; 

 Pousarg., Ann. Scien. Nat., I, 1896, p. 265 ; Pocock, Proc. 

 Zool. Soc. Lond., II, 1907, p. 710, pi. XL, fig. 1. 



CAMPBELL'S GUENON. 



Type locality. Sierra Leone. 



Geogr. Distr. Sierra Leone, West Africa. 



Color. A broad silver gray band separated in the middle, and 



