CHECKLIST OF THE SNAKES OF MEXICO 12S 



Pattern not barred, the stripes uninterrupted in intensity ; lateral 



stripes fused with dorsolateral over anterior half or third of neck 12 



12. Ventrals 195 or less hexalepis deserticola 



Veutrals 19S to 205 (in three specimens) hexalepis celeris 



SALVADORA BAIRDII Jan 



Salvadora Bairdii Jan, Icouographie g^nerale des ophidiens, livr. 2, 1860^ 

 pi. 3, fig. 2.— Smith, Smithsonian Misc. Coll., vol. 99, No. 20, 1941, p. 12, fig. 3; 

 Proc. U. S. Nat. Mus., vol. 93, 1943, pp. 4G6-467. 



Type.— Milan Mus. and Westphal Coll. 



Type locality. — Mexico. 



Range. — Veracruz and central Hidalgo west to western Jalisco 

 (known from Distrito Federal and the states of Guanajuato, Hidalgo, 

 Jalisco, Mexico, Michoacan, Nayarit [Mocquard], Puebla, Veracruz, 

 and Zacatecas). 



SALVADORA BOGERTI Smith 



Salvadora bogerii Smith, Smithsonian Misc. Coll., vol. 99, No. 20, 1941, pp. 2-6, 

 figs. 1-2. 



Type.— U.S.^.M. No. 30296. 



Type locality. — ''Tehuantepec" ; exact locality uncertain. 



Range. — Uncertain; possibly central Oaxaca. 



SALVADORA GRAHAMIAE Baird and Girard 



Salvadora grahamiae Baikd and Girard, Catalogue of North American reptiles, 

 18.53, pp. 104-105.— Schmidt, Publ. Field Mus. Nat. Hist., zool. ser., vol. 24, 

 1940, p. 144, fig. 13. 



Salvadora grahamiae graliamiae Bogert, Bull. Southern California Acad. Sci., 

 vol. 34, pt. 1, 1935, p. 88. 



Type.—V.^.^.U. No. 2081. 



Type locality. — Sonora. 



Range. — Northern Coahuila along the Rio Grande, westward to 

 central Sonora and northward into Arizona, southern New Mexico, 

 and western Texas along the Rio Grande (known in Mexico from 

 the states of Chihuahua, Coahuila, and Sonora). 



SALVADORA HEXALEPIS HEXALEPIS (Cope) 



Phiniothyra hexalepis Cope, Proc. Acad. Nat. Philadelphia, vol. 18, 1866 (1867), 



p. 304. 

 Salvadora hexalepis hexalepis Schmidt, Publ. Field Mus. Nat. Hist., zool. ser., 



vol. 24, 1940, p. 146.— Smith, Smithsonian Misc. Coll., vol. 99, No. 20, 1941, 



p. 12, fig. 7. 



Type.—V.'^.^.M. No. 7894. 



Type locality. — Fort Whipple, Ariz. 



Range. — Tiburon Island, Sonora (except extreme southern part), 

 northward through western Arizona to southwestern Utah, southern 

 and western Nevada, and west to eastern California and most of Baja 



