138 COLOBUS 
Subgenus Stachycolobus. 
Upper parts and legs always black. 
CoLOBUS SATANAS Waterhouse. ~ 7 
Colobus satanas Waterh., Proc. Zool. Soc. Lond., 1838, p. 58; 
Martin, Mammif. Anim., 1841, p. 497; I. Geoff., Dict. Hist. 
Nat., 1849, p. 208; Gerv., Hist. Nat. Mamm., 1854, p. 65; 
Sclat., Proc. Zool. Soc. Lond., 1860, p. 246; Reichenb., Voll- 
stand. Naturg. Affen, 1862, p. 88, fig. 197; Gray, Proc. Zool. 
Soc. Lond., 1868, p. 181; Jd. Cat. Monkeys, Lemurs and Fruit- _ 
eating Bats, Brit. Mus., 1870, p. 17; Schleg., Mus. Pays-Bas, 
Simiz, 1876, p. 27; Matschie, Sitzungsb. Ges. Natur. Freunde, 
Berlin, 1892, p. 226; 1893, p. 176; Forbes, Handb. Primates, 
II, 1894, p. 93; Pousarg., Ann. Scien. Nat. Paris, III, 7me 
Sér., 1896, p. 149; Thos., Proc. Zool. Soc. Lond., 1904, p. 
185; Lydekk., Proc. Zool. Soc. Lond., 1905, p. 325, fig. 54. 
Semnopithecus anthracinus Le Conte, Proc. Acad. Nat. Scien. 
-Phila., 1857, p. 10. ! 
Guereza satanas Trouess., Comp. Mamm., 1879, p. 10. 
Stachycolobus satanas Rochebr., Faun. Sénégamb., Suppl. Vert., 
1887, p. 114, pl. VII. . 
BLACK GUEREZA. 
Type locality. Island of Fernando Po. 
Geogr. Distr. Senegambia; Sierra Leone; Island of Fernando Po; 
Gaboon and the Congo; West Africa. 
Genl. Char. Hair long, coarse, hairs-on forehead erect, long; 
those on cheeks directed backwards; hairs on tail short; tip without 
tuft. 
Color. Entirely and uniformly black; head, body, limbs and tail. 
Measurements. Skull: total length, 111; occipito-nasal length, 
96; Hensel, 82; zygomatic width, 81; intertemporal width, 45; palatal 
length, 44; median length of nasals, 13; length of upper molar series, 
30; length of mandible, 77; length of lower molar series, 35. 
CoLOBUS RUWENZoRII Thomas. 
Colobus ruwengorii Thos., Proc. Zool. Soc. Lond., 1901, p. 85; 
Lydekk., Proc. Zool. Soc. Lond., 1905, p. 326. 
Type locality. Buamba country, northwest flank of Mt. Ruwen- 
zori, Uganda. Type in British Museum. 
Geogr. Distr. Uganda; East Africa. 
