Chapter XXXII: The Diadem Guenon. Cercopithecus Leucampyx

_Simia leucampyx_, Fischer, Syn. Mamm., p. 20 (1829).

{76}_Le Diane femelle_, F. Cuv., Hist. Nat., Mamm., livr. xlii. (June,
1824).

_Cercopithecus diadematus_, Geoffr. in Bélang., Voy. Zool. p. 51 (1834).

_Cercopithecus leucampyx_, Martin, Mamm. An., p. 529 (1841); Geoffr.,
Dict. Univ. Hist. Nat., iii., p. 304 (1849); Schl., Mus. Pays-Bas, vii.,
p. 83 (1876); Giglioli, Zool. Anz., x., p. 510 (1887); Sclater, P. Z. S.,
1893, p. 253 ([female]).

_Cercopithecus pluto_, Gray, P. Z. S., 1848, p. 56, pl. iii.; 1868, p.
182; id., Cat. Monkeys Brit. Mus., p. 23 (1870); Wagner in Schreb.
Säugeth. Suppl., v., p. 48 (1855); Sclater, P. Z. S., 1870, p. 670, 1871,
p. 36, 1892, p. 97.

CHARACTERS.--Face, nose, and lips black; whiskers rounded and bushy; no beard; fur long and harsh; form robust and powerful; whiskers grizzled, the hairs ringed with black and white; across the forehead, over the eyes, a broad white bar (or diadem); the back beyond the shoulders, the sides and haunches, and the posterior aspect of the thighs, grizzly-grey, the hairs ringed with numerous greenish-white and black bars; tail grey at its base, rest black; a few yellowish hairs on the callosities, but all the rest of the body deep black. Length of body, 23 inches; of tail, 21.

DISTRIBUTION.--West Africa: Angola, and the Congo, to Nyasa Land.

HABITS.--Unknown.