CHECKLIST OF REPTILES OF MEXICO 211 



f Crocodilus americanus Laurenti, Specimen medicum exhibens synopsin rep- 

 tilium, 1768, p. 54 (type, pi. 106 in Seba's "Locupletissimi Rerum Naturalium 

 Thesauri Occurata Descriptio," vol. 1, 1734; type locality, America, here 

 restricted to Veracruz, Veracruz; unidentifiable). — Bocourt, Mission scien- 

 tifique au Mexique . • . , Etudes sur les reptiles, livr. 1, 1870, pp. 

 30-31, pi. 8, fig. 1, pi. 9, fig. 1. 



Crocodilus biscutatus Ctjvier, Ann. Mus. Hist. Nat. Paris, vol. 10, 1807, p. 53, 

 pi. 2, fig. 6 (type presumably in Mus. Hist. Nat. Paris; type locality, 

 "Senegal", in error; here restricted to Tampico, Tamaulipas). 



Crocodilus mexicanus Bocourt, Nouv. Arch. Mus. Hist. Nat. Paris, 1869, pp. 

 20-21 (type presumably in Mus. Hist. Nat. Paris; type locality, Tampico, 

 Tamaulipas) ; Mission scientifique au Mexique . . . , fitudes sur les reptiles, 

 livr. 1, 1870, pp. 34-35, pi. 8, fig. 3. 



Crocodilus pacificus Dum^ril and Bocourt, Mission scientifique au Mexique . . ., 

 Etudes sur les reptiles, livr. 1, 1870, pp. 31-33, pi. 9, fig. 5 (type presumably 

 in Mus. Hist. Nat. Paris; type locality, Rio Nagualate, Guatemala). 



Type. — Mus. Hist. Nat. Paris, presumably. 



Type locality. — Santo Domingo (Republic). 



Range. — Greater Antilles, Central America north to Tamaulipas 

 and Sinaloa. Reported from various localities in the states of 

 Quintana Roo (Isla de Mujeres), Campeche, Cohma, Guerrero, 

 Michoaclin, Oaxaca, Tabasco, Tamauhpas, Veracruz, and Maria 

 Magdalena Island, Nayarit. 



CROCODYLUS MORELETH Dum&ll and Dumeril 



Crocodilus moreletii Dum6ril and Dumeril, Catalogue m^thodique de la collection 

 des reptiles, 1851, p. 28. — Bocourt, Mission scientifique au Mexique . . ., 

 fitudes sur les reptiles, livr. 1, 1870, pp. 37-38, pi. 9, fig. 2.— Schmidt, Publ. 

 Field Mus. Nat. Hist., zool. ser., vol. 12, 1924, pp. 79-84, pi. 6, figs. 2, 7, 8. 



Alligator lacordairei Preudhomme de Borre, Bull. Acad. Roy. Sci. Lett. Beaux- 

 Arts Belgique, ser. 2, vol. 28, 1869, p. 110, pi. (type presumably in Brussels; 

 M. Levy collector; type locality, Belize, British Honduras). 



Type. — Mus. Hist. Nat. Paris, presumably. 



Type locality. — Lake Pet^n, Guatemala. 



Range. — Atlantic slopes from Guatemala to Tamaulipas. Reported 

 in Mexico from the states of Campeche, Chiapas (Palenque), Cohma, 

 Tabasco, Tamaulipas, Veracruz; records from Colima (by Duges) 

 and the Pacific side of Chiapas (Tapachula, by Sumichrast) are to be 

 considered erroneous until corroborated. 



Family ALLIGATORIDAE Gray 



Alligatoridae Gray, Catalogue of tortoises, crocodiles and amphisbaenians in the 

 British Museum, 1844, p. 56. — Mertens, Senckenbergiana, vol. 26, 1943, 

 pp. 252-312. 



Genera. — Four, of which only one occurs in Mexico.' 



' Alligator missif:sippiensis is recorded from "Mexico" by Garman (Bull. Kssex Inst., vol. 16, 1884, p. 11) 

 and Boettger (Kat. Kept. Senckenb. Mus., pt. 1, 1893, p. 19), but we regard the records as erroneous 

 until verlfled; 



