CHELYDID^E. 437 



Family CHELYDID^E. 



Genus PODOCNEMIS. 



58. Podocnemis expansa (Schweigg.) . Large Grieved Tor- 



toise. 



Hab. Amazons. 



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

 1871, p. 745. 



59. Podocnemis dumeriliana (Schweigg.). Dumeril's Grieved 



Tortoise. 



Hab. South America. 



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

 1868. From Trinidad. 



60. 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. 



61. Sternothcerus subniger, Gray. Blackish Sternothere. 

 Hab. Madagascar. 



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



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

 b-d. Purchased, May 3, 1871. From Madagascar. SeeP.Z.S. 



1871, p. 543. 



e. Purchased, June 8, 1871. From Madagascar. 

 /. Presented by Commander H. C. St. John, April 2, 1873. 



From the Seychelles. 

 g. Purchased, Nov. 24, 1873. 

 h, i. Deposited, Sept. 21, 1874. 

 j, Tc. Deposited, July 8, 1875. 

 I. Deposited, Sept. 7, 1875. 



62. Sternotharus derbianus, Gray. Derbian Sternothere. 

 Hab. West Africa. 



. Purchased, Aug. 30, 1870. 



