44 CEBIDZE. 
9. Ateles ornatus. The Brilliant Spider Monkey. “B.M. 
Black ; sides and underparts of body and inside of upper arms 
and legs red brown ; lower legs reddish ; withers, outer sides of 
shoulders, and forearms white-grizzled ; ’ whiskers grey; thumb 
none. 
Hab. South America. 
Like A. melanochir with all the colour intensified; but the fore- 
head and whole. upper part of the head and the outside of the arms 
and legs is black. 
“10. Ateles albifrons. The White-fronted Spider Monkey. B.M. 
’ Pale grey brown; forehead white; crown darker brown; tail, 
outside of the limbs, feet, and groin reddish; knees, elbows, and 
hands black; outer and hinder side’ of the forearm blackish-washed ; 
thumb none. 
Hab. South America. Presented by General Fox. 
It differs from the pale varieties of A. melanochir in the forehead 
being white, fringed below with the dark hairs of the eyebrows, and 
in the feet being red. It may be only a variety. 
** The inside of the legs and underside of the body white, 
11. Ateles Belzebuth. The Belzebuth. B.M. 
Black or reddish; loins paler; chest, belly, and inside of the fore 
legs, front of the thighs and the under surface of the tail whitish ; 
hair rather elongate, flaccid; thumb none. 
Belzébuth, Brisson, R. A. p. 214. -Ateles Belzebuth, Geoff. Ann. 
Mus. xiii. p. 27, t.16. A. Brissonii, Fischer. A. fuliginosus, Kuhi. 
Var. 1. Black or blackish ; loins paler; head and limbs black. 
B.M. 
Var. 2. Blackish ; loins and part of sides, head, and limbs brown 
black. B.M. 
Var. 3. Grey; head, shoulders, feet, tail, and outside of the 
limbs black; underside of the body and inside of legs grey. B. M. 
Var. 4. brunneus. Brown, or brown-washed grey; cheek, loins, 
and outside of the thighs whiter; chest, throat, inside of limbs 
pale grey; crown, outside of limbs, and upper surface of tail darker 
brown. B. M. 
: A. brunneus, Gray, MS, 
' Hab. Brazil. 
12. Ateles vellerosus. The Long-haired Spider Monkey. B.M. 
Blackish ; loins rather browner; head, outside of limbs, and the 
upper and lower part of the tail black + 5 throat, chest, belly, and inside 
of the limbs greyish white; hair long, flaccid. Thumb none, 
Ateles vellerosus, Gray, P. Z. S. 1865! 
Hab. Brazil. 
