CHECKLIST OF REPTILES OF MEXICO 17 



Caretta bissa RCppell, Neue Wirbelthiere Abyssiniens, Amphibiens, 1835, p. 4, 



pi. 2 (type unknown; type locality, Red Sea). 

 Eretmochelys squamata Agassiz, Contributions to the natural history of the 



United States, vol. 1, 1857, p. 382 (cotypes, Mus. Comp. Zool. Nos. 1415, 



1416; lectoholotype, No. 1416; type locality restricted to Singapore, Straits 



Settlements) . 



Type. — Unknown. 



Type locality. — American seas, here restricted to the Bermuda 

 Islands. 



Range. — Tropical oceans, world-wide; both coasts of Mexico. 

 Reported from Baja California, Sonora, Oaxaca, Campeche, and 

 Quintana Roo (Isla de Mujeres). 



Genus CHELONIA Brongniart 



Chelonia Brongniart, Bull. Sci. Soc. Philom., vol. 2, 1800, p. 89. 



Chelone Brongniart, Mem. Sav. fitrang, vol. 1, 1806, p. 610. 



Chelona Burmeister, Handbuch der Naturgeschichte, vol. 2, 1807, p. 731. 



Chelonias Rafinesque, Specchio Sci. Palermo, vol. 2, 1814, p. 66. 



Mydas Cocteau, in Ram6n de la Sagra, Historia Ksica, polltica y natural de la 



Isla de Cuba, vol. 4, 1838, p. 22. 

 Mydasea Gervais, Diet. Hist. Nat., vol. 3, 1843, p. 457. 



Euchelonia Tschudi, Untersuchungen iiber die Fauna Peruana . . ., 1846, p. 22. 

 Megemys Gistel, Naturgeschichte des Thierreichs, 1848, p. 8 (type of all above, 



Testudo mydas Linnaeus), 



Genotype. — Testudo mydas Linnaeus. 



Species. — Possibly four forms (species or subspecies) are recogniz- 

 able. None of these are well enough known to us to diagnose properly. 

 Range. — Tropical oceans, world-wide. 



CHELONIA MYDAS' (Linnaeus) 



Testudo mydas Linnaeus, Systema naturae, ed. 10, 1758, p. 197. 



Chelonia mydas, Brongniart, Bull. Sci. Soc. Philom., vol. 2, 1800, p. 89.— Schweig- 



ger, Konigsberg. Arch. Naturw. Math., vol. 1, 1812, p. 412.— Deranita- 



GALA, Tetrapod reptiles of Ceylon, vol. 1, 1939, pp. 218-242, figs. 86-95. 

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



1782, pp. 299-303 (type unknown; type locality, Charleston, S. C, by present 



restriction) . 

 Chelonia virgata Schweigger, Prodromi monographiae cheloniorura . . ., 1814, 



p. 21 (type unknown; type locality, "Seas of Torrid Zone," here restricted to 



the Bermuda Islands). 

 Chelonia maculosa Cuvier, Le r^gne animal . . ., ed. 2, vol. 2, 1829, p. 13 (type 



in Mus. Hist. Nat. Paris?; type locahty not designated, here restricted to 



Ascension Island). 

 Chelonia agassizii Bocourt, Ann. Sci. Nat., ser. 5, vol. 10, 1868, p. 122 (type in 



Mus. Hist. Nat. Paris; type locality, mouth of Rfo Nagualate, Guatemala); 



Mission scientifique au Mexique . . ., Etudes sur les reptiles, livr. 1, 1870, 



pp. 26-28, pi. 6 (color). 



• A common arrangement restricts mydas to the Atlantic Ocean, agassizii to the Pacific, either as species 

 or subspecies. We are unable to determine characters Justifying such an arrangement. 



