CHECKLIST OF THE SNAKES OF MEXICO 83 



Type.—Kc2idi. Nat. Sci. Phila. No. 3613. 



Type locality. — Matamoros, Tamaulipas. 



Range. — Extreme southern Texas to central eastern Nuevo Le6n 

 and probably to southern Tamaulipas, ^Yest to central Coahuila (re- 

 corded in Mexico from Cadereita, Mamulique Pass, Montemorelos, and 

 Monterrey, Nuevo Leon; Matamoros, Tamaulipas; and Musquiz, 

 Coahuila). 



LAMPROPELTIS TRIANGULUM ARCIFERA (Werner) 



Coronclla micropholis arcifera Werner, Zool. Anz., vol. 26, 1903, p. 250. 

 LampropcUis triangulum arcifera Smith, Proc. Rochester Acad. Sci., vol. 8, 1942, 



pp. 198-199, pi. 1, fig. 1 (dorsal view). 

 Lampropeltis trianyulum annnlata Blanchard, U. S. Nat. Mus. Bull. 114, 1921, 



pp. 159-164 (part), fig. 66 (fig. is not of typical antiulata but of t. arcifera). 



Type. — Naturh. Mus. Brussels. 



Type locality. — Mexico. 



Range. — Mountains from Morelos and eastern Michoacan eastward 

 to the edge of the plateau in central Veracruz ; probably southward in 

 central Oaxaca (recorded from Mexico (city) , Distrito Federal; 15 km. 

 west of Morelia, Michoacan; Cuautla, Morelos; Necaxa, Puehla; 

 Zacualtipan, Hidalgo; Orizaba and Mirador, Veracruz; and 

 "Tehuantepec") . 



LAMPROPELTIS TRIANGULUM BLANCHARDI Stuart 



Lampropeltis polyzona llancliardi Stxjart, Occ. Pap. Mus. Zool. Univ. Michigan, 

 No. 309, 19a^, pp. 1-6.— Taylor, Univ. Kansas Sci. Bull., vol. 26, 1939 (1940), 

 p. 467, pi. 49. 



Lampropeltis [triangulum] blancharcli Dunn, Occ. Pap. Mus. Zool. Univ. 

 Michigan, No. 353, 1937, p. 8. 



Type.— [J. S. N. M. No. 68239. 



Type locality. — Chichen Itza, Yucatan. 



Range. — Lowlands of Yucatan and the uplands and humid lowlands 

 of Guerrero south of the Balsas Basin; apparently not continuous 

 across the Istlunus of Tehuantepec (recorded from Acapulco, Amula, 

 Chilpancingo, El Limoncito, San Luis AUende, Tierra Colorada, 

 Guerrero; and several localities in Yucatan). 



LAMPROPELTIS TRIANGULUM NELSONI Blanchard 



Lampropeltis triangulum nelsoni Blanchard, Occ. Pap. Mus. Zool. Univ. Michigan, 

 No. 81, 1920, pp. 6-8, table, pi. 1, fig. 1. 



Type.— v. S. N. M. No. 46552. 



Type locality. — Acambaro, Guanajuato. 



Range. — Mountains from eastern Guanajuato to Colima, northward 

 to Sinaloa (recorded from one or two localities in each of the states of 

 Colima, Guanajuato, Jalisco, Michoacan, Nayarit, Sinaloa, and 

 Zacatecas, and from Isabel Island). 



