_Cebus unicolor_ (nec Spix), Spix, Sim. et Vespert., Bras., p. 7 pl. 4
(1823, part).
_Cebus gracilis_ (nec Spix), Gray, List Mamm. Brit. Mus., p. 12 (1843).
_Cebus flavescens_, Gray, P. Z. S., 1865, p. 827; id. Cat. Monkeys Brit.
Mus., p. 51 (1870).
CHARACTERS.--Fur nearly uniform pale yellowish-fulvous; the {218}cheeks,
whiskers, and hair under the throat, greyish; the crown, nape, and middle
part of the back rather darker; outside of the leg somewhat redder; hair on
top of head and nape rather elongate, directed backward, but not forming a
crest.
DISTRIBUTION.--Brazil.