Colobus angolensis, Sclater, P. Z. S., 1860, p. 245; Reichenb., Naturg. Affen, p. 88 (1862); Gray, P. Z. S., 1868, p. 181; id., Cat. Monkeys Brit. Mus., p. 18 (1870); Schl., Mus. Pays-Bas, p. 24 (1876); Rochebr., Faun. Sénég., Suppl. Mamm., p. 119; Bocage, Jorn. Sc. Lisb., 1889, p. 10; Matschie, S.B. Ges. Nat. Fr. Berlin, 1892, p. 226.
Colobus palliatus, Peters, M. B. Akad. Berl., 1868, p. 637; id., op. cit., 1879, p. 830, pl. iv.A.; Gray, Ann. Mag. N. H. (4) iii., p. 171 (1869); Sclater, P. Z. S., 1880, p. 68; Matschie, S.B. Ges. Natur. Fr. Berlin, 1892, p. 227.
Guereza angolensis et G. palliatus, Trouess. Consp. Mamm., pp. 10 and 20 (1879).
Characters.—Face and ears naked, black; hair radiating round the face, long, and directed backward, especially on the temples and sides of the face, and on the shoulders, where it forms a lengthy mantle; hairs on the top of the head shorter than on the back. General colour deep glossy black, except the frontal band over the eyes, the temporal hairs, whiskers and mantle, which are white. Tail long and black, except for the terminal third, which is white, and has a thick tufted tip; a white spot on the perinæum. Length of body, 23½ inches; of tail, 34 inches.
Distribution.—East Africa: the valley of the Pangani. Said to extend to Angola on the south-west coast.
IX. RUPPELL'S GUEREZA. COLOBUS GUEREZA.
Colobus guereza, Rüpp, Neue Wirbelth. Saügeth., p. 1, pl. 1 (1835); Lesson, Spec. Mamm., p. 68 (1840); Martin, Mammif. An., p. 494 (1841); Is. Geoffr., Dict. H. N., iv., p. 117 (1849); id., Cat. Méth. Primates, p. 17 (1851); Temm., Esquiss. Zool. Guin., p. 23 (1853); Dahlb., Zool. Stud., i., p. 95 (1857); Sclater, P. Z. S., 1860, p. 246; Gray, P. Z. S., 1868, p. 182; Schl., Mus. Pays-Bas, vii., p. 25 (1876); Thomas, P. Z. S., 1885, p. 219; Matschie, S. B. Gesell. Natur. Fr. Berlin, 1892, p. 225, et seqq.
Guereza rueppelli, Gray, Cat. Monkeys Brit. Mus., p. 19 (1870); Rochebr., Faun. Sénégamb., i., Mamm., p. 25 (1885); id., t.c., suppl., p. 129, pl. xi. (1887).
Guereza guereza, Trouess., Consp. Mamm., p. 10 (1879.)
Guereza occidentalis, Rochebr., op. cit., Suppl., p. 140, pl. xiii. (1887).