72 BULLETIN 19 9, UNITED STATES NATIONAL MUSEUM 



Daconura bivittata Hallowell, Proc. Acad. Nat. Sci. Philadelphia, 1860, p. 482 

 (Acad. Nat. Sci. Philadelphia; Nicaragua, here restricted to Greytown). 



Basiliscus (Cristasaura) nuchalis Cope, Proc. Acad. Nat. Sci., Philadelphia, 1862, 

 p. 181 (U.S.N.M. No. 5845; Caldwell collector; Greytown, Nicaragua). 



Type. — Zool. Mus. Berlin; F. Deppe collector. 

 Type locality. — Mexico, here restricted to Veracruz, Veracruz, 

 Range. — The coasts from Jalisco and southern Tamaulipas, south 

 to Nicaragua. Reported from numerous localities in the states of 

 Tamaulipas, Veracruz, Tabasco, Campeche, Yucatan, Quintana Roo, 

 Chiapas, Oaxaca, Guerrero, Michoacan, Colima, and Jalisco. 



Genus IGUANA Laurent! 



Iguana Latjrenti, Specimen medicum exhibens synopsin reptilium, 1768, p. 47. 

 Hypsilophus Wagler, Natiirliches System der Amphibien, 1830, p. 147 (type, 

 Lacerta iguana Linnaeus). 



Genotype. — Lacerta iguana Linnaeus. 



Range. — Mexico on the Pacific coast from Sinaloa to Chiapas, on 

 the eastern coast north to central Veracruz. Absent on the higher 

 parts of the plateau. Lowlands of Central America, and central and 

 northern South America. 



Species. — Two, one with two subspecies. Extralimital are Iguana 

 iguana iguana and Iguana delicatissima of South America. 



IGUANA IGUANA RHINOLOPHA Wlegmann 



Ilguana] H[ypsilophu8] rhinolophus Wiegmann, Herpetologia Mexicana, pt. 1, 



1834, pp. 44-45. 

 Iguana tuberculata var. rhinolopha, Boulenger, Catalogue of the lizards in the 



British Museum, vol. 2, 1885, pp. 190-191. 

 Iguana iguana rhinolopha, Van Denburgh, Proc. Acad. Nat. Sci. Philadelphia, 



1897, p. 461.— Dunn, Copeia, 1934, p. 1. 

 Ilguana Hernandesii Jan, Indice sistematico dei rettili ed anfibi esposti nel 



medesino, 1857, p. 58 (nomen nudum). 



Type. — Zool. Mus. Berlin; F. Deppe collector. 



Type locality. — Mexico, by inference here restricted to C6rdoba, 

 Veracruz. 



Range. — Veracruz and Sinaloa southward along both coasts to 

 Panama. Reported from Sinaloa: Mazatlan, Presidio; Nayarit: 

 San Bias; Colima: Manzanillo, Tecoman, Colima; Jalisco: ?San Bias 

 (possibly Nayarit); Michoacan: Hacienda California, Chacan River 

 Sierra Madre, Jorullo; Guerrero: Pie de la Cuesta, Acapulco; Puehla: 

 Chiautla; Oaxaca: Tehuantepec, Rio Coatzacoalcos, ?Tetela, Agua 

 Fria, Tequesixtlan, Totolapan; Veracruz: Cordoba, Vega de Alatorre, 

 vicinity of Cuatotolapam, Matacabestro, Puente Nacional; Tabasco: 

 Tlacotalpan, Tenosique; Campeche: Ciudad del Carmen; Quintana 

 Roo: Cozumel Island; Chiapas: La Esperanza. 



