166 DIDELPHYID.E. 



569. Didelphys azarte, Temm. Azara's Opossum. 

 Hab. La Plata. 



a. Female ; b-d. Young. Presented by William Reay, Esq., 

 March 5, 1864. 



e. Presented by G. Wilks, Esq., C.M.Z.S., Jan. 13, 1868. 



f. Male. Presented by G-. Wilks, Esq., C.M.Z.S., May 5, 



1869. 



g. Purchased, Dec. 28, 1870. 

 h. Purchased, June 12, 1875. 



570. Didelphys crassicaudata, Desm. Thick-tailed Opossum. 

 Hab. La Plata. 



a. Presented by W. D. Christie, Esq., F.Z.S., July 5, 1860. 



b. Presented by Geo. Wilks, Esq., C.M.Z.S., March 5, 1868. 



See P. Z.S. 1868, p. 261. 



571. Didelphys cinerea, Temm. Cinereous Opossum. 

 Hab. South America. 



a. Received in exchange, October 13, 1878. 



572. Didelphys quica, Temm. Quica Opossum. 

 Hab. South America. 



a-d. Purchased, Feb. 12, 1875. See P. Z. S. 1875, p. 157. 

 e. Purchased, April 14, 1875. 



573. Didelphys derbiana, "Waterh. Derbian Opossum. 

 Hab. Columbia. 



a-d. Presented by L. H. Dickinson, Esq., May 16, 1877. 

 e. Purchased, Jan. 27, 1878. 



574. Didelphys dorsigera, Linn. Merian's Opossum. 

 Hab. South America. 



a. Purchased, July 13, 1877. 



575. Didelphys opossum, Linn. Four-spotted Opossum. 

 Hab. South America. 



a. Purchased, Aug. 15, 1868. 



b. Purchased, July 19, 1869. 



c. Purchased, July 16, 1872. From Central America. 



