CHECKLIST OF THE SXAKES OF MEXICO 131 



Range. — Central Nuevo Leon northward through extreme southern 

 Texas (known only from "Nuevo Leon" in Mexico). 



Genus SPILOTES Wagler 



Spilotes Wagler, Natiirliclies System der Amphibien, 1830, p. 179. — Amakal, 

 Mem. Inst. Butuntan, vol. 4, IL'29, pp. 275-298, figs. 1-7 (brief geueric 

 revision). 



Agriotes Jan, Elenco sistematico degli OUdi, 1863, p. 81 (type, Eerpetodryas 

 incertus Jan). 



Genotype. — Cerastes coronatus Laurenti. 



Range. — Central Veracruz and Chiapas southward through Central 

 America and most of South America, to northern Argentina. 



Species. — Five subspecies comprise a single species; only one race 

 occurs in Mexico. 



SPILOTES PULLATUS MEXICANUS (Lanrenti) 



Cerastes mexicanus Laurenti, Specimen medicum exbibens synopsin reptilium, 



1768, p. 8o. 

 SpUotcs puUatus mexicanus Amarax, Mem. Inst. Bntantan, vol. 4. 1029, pp. 282- 



284, fig. 2.— Smith, Proc. U. S. Nat. Mus., vol. 93, 1943, pp. 470-471. 

 Coluher novae Hispaniae Gmelin, Systema naturae, ed. 12, 1788, p. 1088 ("type" 



locality. New Spain; "type" unknown).^" 

 Spilotes variabilis Guntheb, Catalogue of the snakes in the British Museum, 



lSo8, pp. 99-100 (type locality indefinite: Mexico, Brazil, Berbice; type in 



Brit. Mus. Nat. Hist.). 

 Spilotes pullatus auribundus Cope, Proc. Acad. Nat. Sci. Philadelphia, vol. 13, 



1861. p. 300 (type locality, Mirador, Veracruz; cotypes^ U.S.N.M. Nos. 



250O4-6). 

 Spilotes salvini Gunthee, Ann. Mag. Nat. Hist., ser. 3, vol. 9, 1862, p. 125, pi. a, 



fig. 5 (type locality, Izabal, Guatemala; type in Brit. Mus. Nat. Hist.); 



Biologia Centrali-Americana, Rept., 1894, pp. 116-117, pi. 42 (in color). 

 Eerpetodryas incertus (Agriotes) Jan, Elenco sistematico degli Ofidi, 1S63, p. 81 



(type locality, Belize, British Honduras; type in Hamburg Mus.). 



Type. — Unknown. 



Type locality. — Mexico. 



Range. — Extreme southern Tamaulipas on the Atlantic and extreme 

 eastern Oaxaca on the Pacific, southward on both coasts to Honduras, 

 including all the Yucatan Peninsula (except semiarid coastal areas) 

 (known in Mexico from the states of Campeche, Chiapas, Oaxaca, 

 Quintana Roo, San Luis Potosi,^^ Tabasco, Tamaulipas [Alta Mira], 

 Veracruz, and Yucatan ; Boulenger's record [Catalogue of the snakes 

 in the British Museum, vol. 2, 1894, p. 33] for Atoyac, Guerrero, is 

 believed to refer to the town by the same name in the state of Veracruz, 

 for the species is otherwise unknown from the Pacific coast north of 

 the Isthmus of Tehuantepec). 



«« Not available because not binomial, violating Article 15 of the International Rules of 

 Zoological Nomenclature. 



" Between Rio Axtla and Rio Moctezuma, M.Z.U.M. No. 89574. 



