_Cebus annellatus_, Gray, P. Z. S., 1865, p. 827, fig. 3; id. Cat.
Monkeys Brit. Mus., p. 51.
CHARACTERS.--Hair of crown long and erect, forming a central conical crest.
Fur brown, reddish-washed, especially on the thighs, the hairs with several
pale rings; a streak on the sides of the neck bent down on the front of the
shoulders, yellow; belly reddish; crown, temples, whiskers, outer and inner
side of the limbs and tail, black; hair of face deep black; crown-spot
broad, with a broad line to the forehead and another, on each side, to the
whiskers.
DISTRIBUTION.--Brazil.