CHECKLIST OF THE SNAKES OF MEXICO 97 



Masticophis mentovarius Ortenburgeb, Occ. Pap. Mus. Zool. Univ. Michigan, No. 



139, 1923, p. 2 ; Mem. Univ. Michigan Mus., vol. 1, 1928, pp. 138-141, pi. 25, figs. 



1-2. — DiTMAKs, Snakes of the world, 1931, pi. 15, upper fig. — Smith, Journ. 



Washington Acad. Sci., vol. 81, 1941, pp. 388-389. 

 Masticophis mentovarius mentovarius Smith, Copeia, 1942, p. 87, fig. 1 A (juvenile 



body pattern). 

 Coluler mentovarius mentovarius Kauffeld, Copeia, 1942, pp. 177-178. 

 Liophis varia Jan, Arch. Zool. Anat. Fis., vol. 2, 1863, pp. 288, 298 (type locality, 



Veracruz; type in Paris Mus.)."" 



Type.—V.S.l^M. Nos. 6753, 6762, two cotypes. 



Type locality. — Mexico.*^ 



Range. — Southeastern San Luis Potosi and possibly southern Ta- 

 maulipas southward on the Atlantic to central Guatemala; on the 

 Pacific, from Guerrero to Costa Rica (recorded from the states 

 of Campeche, Chiapas, Guerrero, Oaxaca, San Luis Potosi, Tamauli- 

 pas, Veracruz, and Yucatan). 



MASTICOPHIS TAENIATUS TAENIATUS (Hallowell) 



LeptopMs tacniata Hallowell, Proc. Acad. Nat. Sci. Philadelphia, vol. 6, 1852, 

 p. 181. 



Masticophis taeniatus taeniatus Oktenburger, Occ. Pap. Mus. Zool. Univ. Michi- 

 gan, No. 139, 1923, p. 2 ; Mem. Univ. Michigan Mus., vol. 1, 1928, pp. 25-35 

 (part), figs. 1 (map), 2-3, pi. 8. 



Type.—V.^.'^.M. No. 2110. 



Type locality. — New Mexico west of the Rio Grande. 



Range. — Southeastern Arizona and southern Idaho, southward 

 through central New Mexico to extreme northern Chihuahua, west- 

 ward to the Sierra Nevada in California, avoiding southwestern Ari- 

 zona (known in Mexico only from the northern Lake Santa Maria, 

 Chihuahua) . 



MASTICOPHIS TAENIATUS AUSTRALIS Smith 



Bascanion taeniatus Bocouet (nee Hallowell), Mission seientifique au Mexique 



et dans I'Amerique centrale, Rept., livr. 12, 1890, pp. 703-704, pi. 45, fig. 5, 



pi. 48, fig. 8. 

 Masticophis taeniatus taeniatus Martin del CAMro, Anal. Inst. Biol. Mex., vol. 7, 



1936, p. 276 ; vol. 8, 1987, p. 264. 

 Masticophis taeniatus australis Smith, Journ. Washington Acad. Sci., vol. 31, 



1941, pp. 390-392 ; Proc. U. S. Nat. Mus., vol. 93, 1943, pp. 450-451. 



Type.— V.S.'N.M. No. 10240. 



Type locality. — Guanajuato. 



Range. — Southern Guanajuato and San Luis Potosi southward to 

 central Michoacan (known from Guanajuato and Silao, Guanajuato; 

 Actopan and Mixquiahuala, Hidalgo/ La Noria and Tacicuaro, Mi- 



44a The caudal and ventral counts cited, together with feeble stripes, can apply to no other 

 known Mexican species ; the name is allocated here in spite of certain implied discrepancies. 



** Ortenburger (loc. cit.) gives "Between Cohan and Clusec" as the type locality, but 

 this is a lapsus ; it is the type locality of a synonym, Bascanion suioculare Cope. 



