24 BULLETIN 18 7, UNITED STATES NATIONAL MUSEUM 



Range. — "From southern Coaliuila, Mexico, north and northwest 

 through trans-Pecos Texas and southern New Mexico to southeastern 

 Arizona; also southern Kansas, and central and northeastern Okla- 

 homa" (definite records in Mexico are from San Pedro and 4 miles 

 west of Saltillo, Coahuila) . 



LEPTOTYPHLOPS PHENOPS PHENOPS (Cope) 



Stenostoma phenops Cope, Journ. Acad. Nat. Sci. Philadelphia, ser. 2, vol 8, 



1876, p. 128. 

 Leptotyphlops phenops Smith, Publ. Field Mus. Nat. Hist, zool. ser., vol. 24, 



1939, p. 28. 

 Leptotyphlops phenops phenops Smith, Proc. U. S. Nat. Mus., vol. 93, 1943, pp. 



444-445. 

 Leptotyphlops alhifrons Taylor {nee Wagler), Copeia, 19S9, No. 1, p. 1, figs. 



11, 12. 



Type.—U. S. N. M. Nos. 12444, 30289-94, cotypes. 



Type locality. — Tehuantepec. 



Range. — Coastal and foothill regions on Atlantic slopes from cen- 

 tral Veracruz into Guatemala, including Yucatan; and on Pacific 

 slopes from the Isthmus of Tehuantepec into northern Chiapas (re- 

 corded in Mexico from several localities in the states of Chiapas, 

 Oaxaca, Queretaro, Veracruz, and Yucatan [including Cozumel 

 Island] ) . 



LEPTOTYPHLOPS PHENOPS BAKEWELLI Oliver 



Leptotyphlops bakewelli Olivkr, Occ. Pap. Mus. Zool. Univ. Michigan, No. 360, 

 1937, pp. 16-18.— Taylor, Copeia, 1939, No. 1, p. 1, figs. 13, 14 (head scales). 



Leptotyphlops phenops bakeivelH Smith, Proc. U. S. Nat. Mus., vol. 93, 1943, p. 

 445. 



Type.— Univ. Mich. Mus. Zool. No. 80228. 



Type locality. — Paso del Rio, Colima. 



Range. — Coastal and foothill regions on Pacific slopes from Colima 

 and Michoacan southward to the Isthmus of Tehuantepec (recorded 

 from several localities in the states of Colima, Guerrero, Jalisco, 

 Michoacan, and Oaxaca). 



Family BOIDAE Gray 



Boidae Gray, Zool. Misc., 1842, p. 41. 

 Type. — Boa Linnaeus. 



Genus CONSTRICTOR Laurentl 



Constrictor Laubenti, Specimen medicum exhibens synopsin reptilium . . ., 

 1768, p. 106.— Stull, Proc. Boston Soc. Nat. Hist., vol. 40, No. 8, 1935, pp. 

 403-405 (check list of species). 



Genotype. — Boa constrictor Linnaeus. 



