2. ATELES. 43 



crown very long, forming a largo hood expanding over the eyebrow ; 

 face reddish ; orbita blackish ; thumb none ; hair of the back one- 

 coloured grey or black. 



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



Ilab. South America. 



6. Ateles marginatus. The Chuva. B. M. 



Uniform black ; forehead and whiskers white ; hair moderately 

 long ; face flesh-coloured ; orbits black ; thumb none. 



Ateles marginatus, Kuhl, licilr. p. 24 ; Geoff. Ann. Mm. xiii. p. 02, 

 t. 10. A. albifrons, Schinz. A. frontalis, JBenn. P. Z. S. 1830-31 ! 



Ilab. Brazil. 



7. Ateles hybridus. TJie Brown Spider Monkey. B. M. 



Ashy grey, blackish-washed ; hair very soft, rather curly, inter- 

 mixed with somo longer, stiffcr, blackish hairs ; crown of the head, 

 forearms, legs to tbc knees, and the greater part of the tail black ; 

 face blackish ?, with thin white hair on the lips ; thumb none. 



Ateles hybridus, Geoff. Ami. Miis. xvii. p. 121 ; Gucrin, Man. Zool. 

 1805, t. 



Hob. St. Juan, Nicaragua. 



The eyebrows are black, and there are many elongate black hairs 

 on the outside of the thigh ; the inside of the thigh and of the arm 

 near the arm-pit is greyish. 



Dr. Dahlbom, I suppose by mistake, describes the inside of the 

 leg as white. 



8. Ateles melanochir. The Black-handed Spider Monkey. B.M. 



Pale brown, or red brown ; forehead, hands, and feet black; crown, 

 browner red ; the kneo and front of fore leg often darker or blackish ; 

 thumb none. 



Ateles melanochir, Desm. Mamm. p. 70. A. Gcoflroyi, Kuhl. A. va- 

 riegatus, Natterer ; llcichenbach, Atlas, f. 15, 10. 



Var. Palo yellowish ; forehead, feet, and knees black ; crown 

 yellowish, black-washed ; shoulders grey, black- washed. B. M. 



Var. Pale yellowish white ; shoulders and knees blackish-washed ; 

 forehead, hands, and feet black ; crown golden brown on the sides, 

 black in the centre. B. M. 



Ilab. Carraccas, Salle. 



Var. ? frontatus. Palo reddish brown ; the forehead, feet, knees, 

 and front of fore legs, blackish. B. M. 



Eriodes frontatus, Gray, Ann. $ Mag. N. II. x. 250, 1843; Zool. 

 II. M.S. Sulphur, t. 



Ilab. West coast of America ? 



