REPTILIA: SAURIA: IGUANIDAE 



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101 



CORYTOPHANES 



Prepared by Clarence J. McCoy, Carnegie Museum, Pittsburgh, Pennsylvania 



CORYTOPHANES Boie 



1827 Corytophanes Boie, in Schlegel, Isis von Oken, 20: 25O. Type-species: Aqama crista ta Merrem. 

 I83O Corythophanes Wagler (emendation of Corytophanes Boie), Syst. Amph.: 151- 



IB3I Chamaeleops i s Wieqmann» in Gray, Synopsis Species Class Reptilia, in Griffith, Cuvier's Animal 

 Kingdom, 5' *5' Type-species: Chamaeleops Is Hernandesii Wiegmann. 



Distribution: Central Veracruz and San Luis Potosí, Mexico, to northwestern Colombia. 



Content; Three species. 



Key to the species 



1. Occipital crest continuous with body crest 2 



Occipital crest not continuous with body crest, 



interrupted on neck hernandes i i 



2, Occipital crest not projecting beyond end of 



casque; upper head scales keeled or rugose 



percar I na tus 



Occipital crest projecting beyond end of 

 casque; upper head scales smooth cr istatus 



Clave de especies 



1. Cresta occipital continua con cresta del cuerpo 



2 



Cresta occipital descontinua con cresta del 

 cuerpo, interrumpida en el cuello — hernandes i i 



2. Cresta occipital sin prolongación nucal; esca- 



mas dorsales de la cabeza quilladas 



percar ina tus 



Cresta occipital prolongada en la nuca; escamas 

 ■dorsales de la cabeza lisas cr istatus 



CORYTOPHANES CRISTATUS (Merrem) 



Distribution: Lowlands and foothills from central Veracruz, Mexico, to Chocó and Magdalena Valle 

 of northwestern Colombia. 



CORYTOPHANES HERNANDES I I (Wiegmann) 

 I83I Chamaeleops I s Hernand es i i W 



I83I Chamaeleops is Hernandesi i Wiegmann, in Gray, Synopsis Species Class Reptilia, in Griffith, 



Cuvier's Animal Kingdom, 5' *5' Type-locality; Mexico; restricted to Jalapa, Veracruz, 



Mexico, by Smith and Taylor, Bull. U.S. Nat. Mus., I55, I95O, 6?. 

 I837 Corythophanes chamaeleops i s Duméril and Bibron (substitute name for Chamaeleops i s Hernandes i i 



Wiegmann), Erp. Gen., 4: 175» 

 I856 Corythophanes Hernandez! i — L ichtenste i n. Nomenclátor Reptilium et Amphibiorum Musei Zoologici 



Berol i nens i s: 8. 

 I874 Corythophanes mex icanus Bocourt (substitute name for Chamaeleops i s Hernandes i i Wiegmann), Miss. 



Sci. Mex., Rept.: 122, pi. I7, fig. 1. 

 1560 Corythophanes Hernandez I i — Alvarez del Toro, Reptiles de Chiapas: 84, two figs. 



Distribution: Atlantic foothills and lowlands from central Veracruz, Mexico, southward through 

 Guatemala. 



CORYTOPHANES PERCARINATUS Duméril 



I856 Corytophanes percarlnatus Duméril, Arch. Mus. Hist. Nat. Paris, 8: 5I8, pi. 20, fig. '}-3^, Type- 

 locality: Ascuintla in Central America, 3O leagues from Guatemala; = Escuintla, Guatemala, 

 according to Stuart, Misc. Publ. Mus. Zool. Univ. Mich., 122, I563, 67. 



1562 Corytophanes percarlnatus — Mertens, Abh. Senck. Naturforsch. Ges., 487; ^^i P^- 1^, fig. 71- 



Distribution: Foothills from the isthmus of Tehuantepec, Mexico, to El Salvador. Boulenger's 

 record from "Ecuador (7)" (Catalogue of Lizards, 2, 1885, IO3) requires verification. 



