2. ATELES. 43 



crown vory long, forming a large hood expanding over the eyebrow ; 

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

 coloiu'cd grey or black. 



Ateles cucidlatus, Grmj, P. Z. S. 1865 ! 

 Hub. South America. 



6. Ateles marginatus. The CJmva. B. M. 



Uniform black ; forehead and whiskers wlaite ; hair moderately 

 long ; face flesh- coloui'cd ; orbits black ; thumb none. 



Ateles margiiiatus, Kiihl, Beitr, p. 24 ; Geoff. Ann. Mm. xiii. p. 92, 

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



Ilab. Brazil. 



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



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

 mixed with some longer, stiffer, blackish hairs ; crown of the head, 

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

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



Ateles hybridus, Geoff. Ann. Mtis. xvii. p. 121 ; Gtierin, 3Jag. Zool. 

 1865, t. 



Hah. 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 grej-ish. 



Dr. Dahlbom, I sui)pose by mistake, describes the inside of the 

 leg as wliite. 



8. Ateles melanocMr. The BJavh-haiuled Spider Monkey. B.M. 



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

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

 thumb none. 



Ateles melanochir, Dcwi. Manitn. p. 76. A. Geoffroyi, Kuhl. A. va- 

 riegatus, Nattcrer ; Reichenbach, Atlas, f. 15, 16. 



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

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



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

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

 black in the centre. B. M. 



Hab. Carraccas, SalU. 



Yar. ? fronfatvs. Pale reddish brown ; the forehead, feet, knees, 

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



Eriodes frnntatus, Grui/, Ann. .S" Ma(/. N. II. x. 256, 1843; Zvol. 

 II. 31. a. Sulphur, t. ' 



JIab. West coast of America ? 



