_Cercopithecus leucocampyx_ (nec Fischer), Gray, Cat. Monkeys Brit. Mus.,
p. 22 (1870).
_Cercopithecus neglectus_, Schlegel, Mus. Pays-Bas, vii., p. 70 (1876);
Giglioli, Zool. Anz., x., p. 510 (1887); Scl., P. Z. S., 1893, p. 253.
CHARACTERS.--General colour greyish-brown, finely grizzled; under side of
body black; crown, outside of limbs and base of tail black; anterior aspect
of thighs and a band across the haunches white.
Distinguished from the true _C. leucampyx_ by the colour of the front of
the thighs, and by its banded haunch.
_Distribution._--The White Nile, where it was obtained by Consul Petherick.