34. Ateles frontatus ; Gray. Black-fronted Spider Monkey. 

 Hab. Nicaragua. 



a. Purchased, Dec. 9, 1864. 

 6. Purchased, Sept. 30, 1864. 



35. Ateles belzebuth (Briss.) . Marimonda Spider Monkey. 

 Hab. Guiana. 



a. Purchased, Sept. 27, 1864. 



36. Ateles ater, F. Cuv. Black Spider Monkey. 

 Hab. South America. 



a. Purchased, Dec. 2, 1863. 



37. Ateles ? -< . Grizzled Spider Monkey. 



Hab. South America. 



. Purchased, Oct. 29, 1864. 



Genus MYCETES. 



38. Mycetes ursinus (Humb.). Brown Howler. 

 Hab. New Granada. 



a, b. Purchased, June 12, 1864. 



Genus CEBITS. 



39. Cebus apella (Briss.). Brown Capuchin Monkey. 

 Hab. Guiana. 



a. Presented by William Lloyd, Esq., Aug. 26, 1864. 



40. Cebus fatuellus, Erxl. White-whiskered Capuchin Monkey , 

 Hab. Brazil. 



a. Purchased, 1864. 



41. Cebus hypoleucus, Geoff. White- throated Sapajou. 

 Hab. Central America. 



a. Presented by A. Yates, Esq., Aug. 2, 1864. 

 h. Purchased. Oct. 17. 1864. 



