226 MR. P. L. SCLATER ON ANIMALS IN THE MENAGERIE. [Mar. 7, 



Diagn. — A. corporis pilis elongatis et mollibus ; capillitio frontali 

 antrorsum projecto, triparlito : supra ater ; macula frontis 

 ferruginea, facie nigra pilis albis utrinque limbata : gastreeo, 

 artuum latere interno, tibiis antebrachiisque extus et cauda 

 subtus ferrugineo-ochraceis : long. corp. 24, caudce 29 poll. 

 Angl. Foem. mari similis, sed minor et colore subtus fulves- 

 cente griseo. 

 Hab. Eastern Peru, near Chyavetos (Bartlett) ; Upper Rio 



Negro, Serra de Cocoi (Natterer) ; Upper Caura river, Venezuela 



( Gordon) . 



7. Ateles melanochir. (Plate XV.) 



Ateles melanochir, Desm. Mamm. p. 76. 

 Ateles geoffroii, Kulil, Beitr. p. 26. 

 Atele melanochSir, F. Cuv. Mamm. vol. i. pi. 66. 

 Ateles melanochir et A. ornatus, Gray, Cat. Monkeys (18/0), 

 pp. 4.3, 44. 



Fig. I. 



Skull of Afclcs melanochir (natural size). 



I have already spoken (P. Z. S. 18/0, p. 797) of the fact of our 

 having received from Nicaragua a second example of Dr. Gray's 

 A. ornatus, which has since been described in his new catalogue of 

 Monkeys. Although, now that I have had the opportunity of exa- 

 mining this animal, I have little doubt that it is merely a variety of 



