_Colobus verus_, Van Bened., Bull. Acad. Sc., Brux., v., p. 344, pl. 13
(1838); Less., Spec. Mamm., p. 70 (1840); Martin, Mammif. Anim., p. 503
(1841); Geoffr., Cat. Méth. Primates, p. 17, no. 4 (1851); Wagner, in
Schreber, Säugeth. Suppl., v., p. 37 (1855); Gray, P. Z. S., 1868, p.
182; Schl. Mus. Pays-Bas, vii., p. 28 (1876).
_Semnopithecus_ (_Colobus_) _olivaceus_, Wagner, in Schreber's Säugeth.
Suppl., i., p. 309 (1840).
{88}_Colobus cristatus_, Gray, Ann. and Mag. N. H. (3), xvii., p. 77
(1866); id., P. Z. S., 1886, p. 182, pl. xv.; id., Cat. Monkeys Brit.
Mus., p. 19, et Suppl., p. 128 (1870).
_Procolobus verus_, Rochebr., Faun. Sénég., Mamm. Suppl., p. 97, pl. 1
(1887).
CHARACTERS.--Body stout; limbs robust; head oval, the muzzle slightly
prominent; face and ears naked, brownish-black; thumb entirely absent;
callosities large. Hair on the top of the head, forming a median crest,
reddish-olive; whiskers, directed backward, pale yellow; over the eyes a
frontal bar of the same colour, coalescing with the whiskers opposite the
eyes; upper part of body to base of tail and down to the knees, covered
with short dark olive-brown hair, finely ringed with black, and washed with
rufous on the back of the neck and on the outside of the thighs; the tail
long and thin, olive-brown or brownish-grey; shoulders, flanks, and outer
surface of the limbs, pale greyish-green; upper sides of the hands and feet
reddish-brown; throat, chest (the hair of which is elongated), under
surface of the body and inner side of the limbs, ashy-grey. Length of
body, 21 inches; of tail, 24¼.
DISTRIBUTION.--West Africa. Forests of Fanti and Ashanti.