44 cedim-:. 



9. Ateles ornatus. Tlie Brilliant Spider Monkey. B. M. 



Black ; sides and undorparts of body and inside of upper arms 

 and legs red brown ; lower legs rcddisb ; withers, outer sides of 

 shoulders, and forearms white-grizzled ; whiskers grey ; thumb 

 nono. 



Hah. South America. 



Like A. melanochir with all the colour intensified ; but tho fore- 

 head and wholo upper part of the head and the outside of tho arms 

 and legs is black. 



10. Ateles albifrons. Tlie 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. 



Ilab. 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 tho feet being red. It may be only a variety. 



** The inside of the leys 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 tho thighs and the under surface of the tail whitish ; 

 hair rather elongate, flaccid ; thumb nono. 



BelzCbuth, Brisson, R. A. p. 214. Ateles Belzebuth, Geoff. Ann. 

 Mas. xiii. p. 27, 1. 10. A. JBrissonii, Fischer. A. fuliginosus, Kuld. 



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, outsido of limbs, and upper surface of tail darker 



brown. B. M. 



A. brunneus, Gray, MS. 



Ilab. Brazil. 



12. Ateles veUerosus. The Long-haired Spider Monkey. B. M. 



Blackish; loins rather browner; head, outsido of limbs, and the 

 upper and lower part of the tail black ; throat, chest, belly, and inside 

 of tho limbs greyish white ; hair long, flaccid. Thumb none. 



Ateles vellerosus, Gray, P. Z. S. 1805 ! 

 IFab. Brazil. 



