84 MAMMALIA. 



Ateles belzebuth var. trianguligera, Weinland, Zool. Garten, Bd. iii, 



1862, pi. 207. 

 Ateles melanoohir et hybridus, et A. frontatus, A. ornatus et A. albi- 



frons, Gray, Cat. Monkeys & Lemurs, B. M., pp. 43, 44, 1870. 

 Ateles variegatus et Eriodis frontatus v. Frantzius, Wiegmann, Archiv. 



vol. 35, part 1, 1869, pp. 257, 258. 



Hab. Central America, Southern Mexico to Verragua. 



58«. The skin of an adult female : pale greyish -yellow, 

 with a hlack forehead, hands, feet, and knees; with blackish 

 under the antibrachium. Central America. By exchange, 

 21st January 1879. 



b. The skin of an adult : black above, with an intermixture 

 of grey hairs, passing into yellowish grey towards the rump ; 

 under surface greyish yellow, golden on the insides of the 

 thighs. By exchange, 21st January 1879. 



c. The skin, skeleton, and the viscera in alcohol of an ado- 

 lescent female : black, with a few yellowish hairs scattered 

 throughout. This skull has three ossa triquetra, a large 

 one between the frontal and parietals, and two smaller ones 

 between these latter bones and the occipital. Presented by 

 Wm. Rutledge, Esq., 18th August 1878. 



59. Ateles ehuva. 



Ateles chuva, Schlegel, Mus. d'Rist. Nat. des Pays-Bas, 1876, p. 175, 

 et syn. 



Eab. North-Eastern Peru, Ecuador and the mountains of 

 Guiana. 



59a. The skin of an adult male : black on the upper sur- 

 face and along the outside of the humerus and the first half of 

 the tail ; outer side of the thigh blackish, with an intermixture 

 of yellow ; lower half of limbs yellowish, with intermixed black 

 hairs; hands and feet yellowish, with intermixed black hairs ; 

 under surface of body yellowish ; forehead golden yellow ; ear 

 black ; whiskers and haiis on mouth white ; eyebrows and hairs 

 on the rest of the face black. By exchange, 21st January 1879. 



Genus CEBUS, Erxleben, 1777. 



60. Cebus flavus. 



Simla flavia, Schreher, Sdugeth., pi. 31B. 



Cebus flavus, Geoff. St.-Sil., Ann. du Mits. t. xix, 1812, p. 112. 



Cebus fulvus, Desm., Mamm. 1820, p. 83. 



Cebus palUdus, Ch'ay, Cat. Monkeys Sf Lemurs, B, M., 1870, p. 49. 



