EMYDID^!. CHELYDID^E. 331 



38. Cinosternon longicaudatum (Spix) . Spix's Mud-Terrapin. 

 Hab. Northern Brazil. 



a. Male ; 6, c. Females. Purchased, Dec. 16, 1870. From Ma- 

 raj o, Lower Amazons. 



39. Cinosternon leucostomum, A. Dum. White -mouthed 



Mud-Terrapin. 



Hab. Central America. 



a, 6. Purchased, May 12, 1870. From Greytown, Nicaragua. 

 See P. Z. S. 1871, p. 745. 



c. Living in the Gardens, Jan. 1, 1870. 



d, e. Purchased, Aug. 12, 1870. From the Laguna de Terminos, 



Yucatan. See P. Z. S. 1871, p. 745. 



Family CHELYDID^E. 

 Genus PODOCNEMIS. 



40. Podocmemis expansa (Schweigg.). Large Grieved Tor- 



toise. 



Hab. Amazons. 



a. Purchased, Dec. 16, 1870. See P. Z. S. 1870, p. 910, and 

 1871, p. 745. 



41. Podocnemis dumeriliana (Schweigg.) . DumeriPs Grieved 



Tortoise. 



Hab. S. America. 



a-c. Presented by the Hon. A. Gordon, C.M.Z.S., July 23, 1868. 

 From Trinidad. 



42. Podocnemis unifilis, Troschel. One -bearded Grieved 



Tortoise. 



Hab. Upper Amazons, 

 a. Purchased, Dec. 16, 1870. See P. Z. S. 1871, pp. 36 & 745. 



Genus STERNOTH^ERUS. 



43. Sternothterus subniger, Gray. Seychellean Sternothere. 

 Hab. Madagascar. 



a. Presented by Swinburne Ward, Esq., March 23, 1867. 

 From the Seychelles. See P. Z. S. 1867, p. 473. 



