438 CHELYD1D.E. 



6. Received in exchange, Oct. 25, 1870. 



c. Purchased, Feb. 15, 1872. 



d. Presented by C. B. Mosse, Esq., C.M.Z.S., May 6, 1872. 



Genus PELOMEDUSA. 



63. Pelomedusa gehafi (Rupp.) . Abyssinian Pentonyx. 

 Hab. Abyssinia. 



a. Presented by the Hon. Mr. Melville, June 2, 1868. 

 6. Received in exchange, Sept. 4, 1875. 



Genus PLATEMYS. 



64. Platemys gordoni (Gray) . Gordon's Terrapin. 

 Hab. Trinidad. 



a. Deposited by the Hon. A. Gordon, July 23, 1868. Speci- 

 men described and figured as Hydraspis gordoni by 

 Dr. Gray, P. Z. S. 1868, p. 563, pi. XLII. Captured by 

 Mr. Gordon " near the mountain of Temana, Trinidad." 



65. Platemys geoffroy ana (Schweigg.). Geoffroy's Terrapin. 

 Hab. Argentine Republic. 



a, b. Presented by George Wilks, Esq., C.M.Z.S., June 17, 

 1871. See P. Z. S. 1871, p. 623. 



Genus HYDROMEDUSA. 



66. Hydromedusa maximiliani (Mikan). Maximilian's Ter- 

 rapin. 



Hab. Brazil. 



0,-d. Presented by Dr. Palin, C.M.Z.S., Sept. 19, 1871. 



Genus CHELODINA. 



67. Chelodina oblonga, Gray. Oblong Chelodine. 

 Hab. West Australia, 

 a. Presented by W. Ayshford Sandford, Esq., March 18, 1856. 



