N. A. REPTILES AND BATRACHIANS. 7 



Chelonia olivacea Eschsch., 1829, Zool. Atlas, p. 3, pi. 3. 

 Tropical Pacific and Indian oceans. 



COLPOCHEIiYS Garman, 1880, Bull. Mus. Comp. Zool., 124. 

 C. kempi Grran., 1. c. 123. 



Northeastern part of the Gulf of Mexico. 



ERETMOCHELYS Fitz., 1843, Syst. Kept., 30. 

 Testudo imbricata Linn., 1766, Syst., 350. 



Tropical Atlantic and adjacent waters. 

 Caretta squamata Krefft, 1871, Austral. Vertebr., 39. 



Tropical Pacific and Indian oceans. 



CHELONIA Brongn., 1805, Essai d'une Class. Kept. 

 Testudo mydas Linn., 1758, Syst., 197. 



Tropical Atlantic and adjacent waters. 

 (B) Chelonia marmorata D. & B., 1835, Erp., II, 546. 



Atlantic around Ascension Island. 



Chelonia agassizii Bocourt, 1870, Miss. Sci. Mex., Kept., p. 26, 

 pi. 6. 



Tropical part of the eastern Pacific. 



TRIONYCHIDAE. 



AMYDA Fitz., 1843, Syn. Kept., 30. 



Trionyx muticus Les., 1827, Mem. Mus., XV, 263. 



PLATYPELTIS Fitz., 1836, Ann. Wien Mus. 

 Testudo ferox Penn., 1767, Phil. Trans., LVI. 

 Mississippi valley and eastward. 



ASPIDONECTES Wagl., 1830, Amph., 134. 



Trionyx spiniferus Les., 1827, Mem. Mus., XV, 258. 



Mississippi river, tributaries and eastward. 

 A. asper Ag., 1857, Contr., I, 405. 



Valley of the lower Mississippi. 

 A. nuchalis Ag., l. c., 406. 



Tennessee river and eastward. 

 A. emoryi Ag., 1. c., 407. 



Texas to Mexico. 



CHELYDROIDAE. 



CHELYDBA Scliweigg., 1814 (read 1809), Prodr. Monogr. Chelon., 

 23. 



