122 COLGEUS 
C. Upper parts, rump, and legs black. 
a. No white on mantle. . 
a.) Bieadsall black tecilidaiboett ool hee? C. satanas. 
b.’ Forehead and auricular region grayish white. 
of) Burson back qveolly ad? ad alee C. ruwenzori. 
b.” Fur on back not woolly. 
a.” Whiteen thiphswin die o.. ids. C. vellerosus. 
b.”” No white on thighs. 
a.”” Tail albawlitten, quae Man sats C. polycomus. 
b.”” Tail black at base grading 
inte white Actisives suahe Moss C. sharpei. 
b. Long hairs on mantle from shoulders only, white. 
a, . No white line on forehead) j scious naa ® « C. palliatus. 
b.’ White line on forehead ................. C. angolensis. 
D. Upper parts black, rump white. 
a. Long white hairs from mantle and shoulders to 
tail. 
a. Tail, basal half black, rest white, tuft 
PROGID ps apc Oak ge ee ae pie: C. abyssinicus. 
b. Tail, two thirds apes tuit white)... C. occidentalis. 
e. «(Zail, basal half gray srest Digek <2: oo 3 bee C. poliurus. 
d.’ Tail, black at base, rest white, brush enor- 
PROUS 506 gS cn eRe: eats Reiman. Sie ae C. caudatus. 
e. Tail, basal half mixed gray and black, rest 
wihate, tudt long, ticle | 4 yercumanl dhl. «beer C. gallarum. 
Subgenus Procolobus. 
Head crested. 
CoLoBus vERUS Van Beneden. 
Colobus verus Van Bened., Bull. Acad. Scien. Brux., V, 1838, p. 
344, pl. XV; Less., Spec. Mamm., 1840, p. 70; Martin, Mammif. 
Anim., 1841, p. 503; I. Geoff., Cat. Primates, 1851, p. 17; 
Wagn., Schreb., Saugth. Suppl., V, 1855, p. 37; Dahlb., Stud. 
Zool. Fam. Reg. Anim. Nat., fasc. I, 1856, p. 95; Reichenb., 
Vollstand. Naturg. Affen, 1862, p. 86, figs. 190-192; Gray, 
Proc. Zool. Soc. Lond., 1868, p. 182; Schleg., Mus. Pays-Bas, 
Simiz, 1876, p. 28; Forbes, Handb. Primates, II, 1894, p. 87; 
Pousarg., Ann. Scien. Nat., I, 8me Sér., 1896, p. 250, fig. 1 
in text. 
