_Ateles cucullatus_, Gray, P. Z. S., 1865, p. 733; id. Cat. Monkeys Brit.
Mus., p. 42 (1870); Murie, P. Z. S., 1865, p. 739; Schl., Mus. Pays Bas,
vii., p. 169 (1876).
CHARACTERS.--Hairs of body long, but thin on the head, body, limbs and
tail; hair of crown very long and projecting over the face and the sides of
head, forming what has been called a "hood." Face nude, flesh-coloured;
cheeks and lower jaw nearly nude also, but the skin of a blackish hue. Hair
on back black, intermingled with numerous others which are yellowish-grey
in colour; crown and back of head, hands, and feet black--the hairs black
throughout. Nude part of tail flesh-coloured. The hands have a rudiment of
a thumb in the shape of a small tubercle. Length of body, 14½ inches; of
tail, 27½ inches.
DISTRIBUTION.--The Hooded Spider-Monkey is very rare, and very different
from any other member of its group in regard to the hair of its head. Its
native country is still a matter of uncertainty. Dr. Sclater, however,
remarks in the "Proceedings of the Zoological Society" for 1881: "I have
some reason to suppose {244}it may be from the northern coast of Colombia,
as I am told that a black Spider-Monkey, with long hair over its head, is
occasionally brought for sale into Cartagena."