16 BULLETIN 199, UNITED STATES NATIONAL MUSEUM 



CARETTA CARETTA CARETTA (Linnaeus) 



Testudo caretta Linnaeus, Systema naturae, ed. 10, vol. 1, 1756, p. 197. 



Caretta caretta, Stejneger, Ann. Rep. U. S. Nat. Mus., 1902 (1904), p. 715. — 



Care, Proc. New England Zool. Club, vol. 21, 1942, p. 5, pis. 1, 3. 

 Caretta caretta caretta, Deraniyagala, Tetrapod reptiles of Ceylon, vol. 1, 1939, 



p. 164; Spolia Zeylanica, vol. 24, 1945, p. 95. 

 Testudo cephalo Schneider, Algemeine Naturgeschichte der Schildkroten . . ., 



1783, pp. 303-308 (type unknown; type locality, Charleston, S. C, by 



present restriction) . 

 Testudo caouana Daudin, Histoire naturelle des reptiles, vol. 2, 1802, p. 55, pi. 



16, fig. 2 (type in Mus. Hist. Nat. Paris; type locality, Jamaica, by present 



restriction) . 



Type. — Unknown. 



Type locality. — "About the American Islands," here restricted to the 

 Bermuda Islands. 



Range. — Western Atlantic Ocean; the entire Atlantic coast of 

 Mexico. Reported in Mexico only from Yucatdn. 



CARETTA CARETTA GIGAS Deraniyagala 



Caretta gigas Deraniyagala, Ceylon Journ. Sci., sect. B, vol. 28, 1933, pp. 61-62. 

 Caretta caretta gigas, Deraniyagala, Tetrapod reptiles of Ceylon, vol. 1, 1939, 

 pp. 164-185, figs. 66-73; Spolia Zeylanica, vol. 24, 1945, p. 95. 



Type. — Presumably in Colombo Museum, Ceylon. 



Type locality. — Ceylon. 



Range. — Indian and Pacific Oceans and possibly eastern Atlantic 

 Ocean. In Mexico, the entire Pacific coast. Reported only from 

 Sinaloa and Baja California. 



Genus ERETMOCHELYS Fitzinger 



Eretmochelys Fitzinger, Systema reptilium, fasc. 1, 1843, p. 30. 



Genotype. — Testudo imbricata Linnaeus. 



Species. — One is generally recognized, but two species (or sub- 

 species) are distinguished by some authorities. 



ERETMOCHELYS IMBRICATA « (LinnaeuB) 



Testudo imbricata Linnaeus, Systema naturae, ed. 12, 1766, p. 350. 



Eretmochelys imbricata, Fitzinger, Systema reptilium, fasc. 1, 1843, p. 30. — 

 Agassiz, Contributions to the natural history of the United States, vol. 1, 

 1857, p. 381. — Deraniyagala, Tetrapod reptiles of Ceylon, vol. 1, 1939, 

 pp. 187-217, figs. 74-85. 



Chelonia lachrymata Cuvier, Le rSgne animal, ed. 2, vol. 2, 1829, p. 13 (no type 

 or type locality designated; Bermuda Islands by present restriction). 



Chelonia pseudo-mydas Lesson, in Belanger, Voyage aux Indes Oriental . . ., 

 Zool., 1834, p. 299 (type unknown; type locality, Atlantic Ocean, here re- 

 stricted to the Bermuda Islands). 



Chelonia pseudo-caretta Lesson, op. cit., p. 302 (type and type locality as in the 

 preceding) . 



' The Atlantic Ocean specimens are frequently regarded as Eretmochelys imbTicata (or E. i. imbricata) , 

 the Pacific Ocean ones as Eretmochelys imbricata bissa (or E. i. sguamata). We are unable to determine 

 characters for such separation. 



