_Conophis lineatus_ Cope, Proc. Acad. Nat. Sci. Philadelphia, 16(3):167, 1864 [_nec_ Duméril, Bibron and Duméril, Érpétologie Genérale, 7(pt. 2):936-938, atlas, pl. 73, February 25, 1854; specimen from Colima]; Sumichrast, Arch. Sci. Nat., p. 246, 1873.

_Tomodon vittatus_, Bocourt, Journ. de Zool., p. 407, 1876.

A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America) — Part 30

_Conophis sumichrasti sumichrasti_ Cope, Journ. Acad. Nat. Sci. Philadelphia, ser. 2, 8:137, 1876 (Types.--United States National Museum, nos. 29123, 30258; type locality.--Tehuantepec, México); Bull. U. S. Natl. Mus., 32:77, 1887; Smith and Taylor, Univ. Kansas Sci. Bull., 33(pt. 2):334, March 20, 1950; Maldonado-Koerdell, Inst. Mexicanos Recursos Nat. Renov., p. 124, 1953.

A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America) — Part 30

_Conophis sumichrasti viduus_ Cope, Journ. Acad. Nat. Sci., Philadelphia, ser. 2, 8:137, 1876 (Type.--United States National Museum, no. 30259; type locality.--Tehuantepec, México); Bull. U. S. Natl. Mus., 32:77, 1887; Cochran, Bull. U. S. Natl. Mus., 220:167, 1961.

A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America) — Part 30

_Conophis sumichrasti_, Cope, Proc. Amer. Philos. Soc., 18:271, August 11, 1879; Sumichrast, Bull. Soc. Zool. France, p. 182, 1880; Cope, Trans. Amer. Philos. Soc., 18:194, April 15, 1895; Cochran, Bull. U. S. Natl. Mus., 220:167, 1961.

_Tachymenis lineata_ (in part), Garman, Mem. Mus. Comp. Zool., 8:60-61, July, 1884.

_Conophis vittatus sumichrasti_, Cope, Ann. Rept. U. S. Natl. Mus. for 1898, p. 1095, 1900.

_Conophis vittatus videns_ Cope, Ann. Rept. U. S. Natl. Mus., for 1898, p. 1095, 1900 (apparent _lapus_ for _viduus_).

_Conophis vittatus vittatus_, Cope, Ann. Rept. U. S. Natl. Mus. for 1898, p. 1095, 1900; Smith, Journ. Washington Acad. Sci., 31:119-120, March 15, 1941; Proc. U. S. Natl. Mus., 92:395, November 5, 1942; Proc. U. S. Natl. Mus., 93:408, October 29, 1943; Ann. Carnegie Mus., 30:91, November 2, 1944; Smith and Taylor, Bull. U. S. Natl. Mus., 187:44, October 5, 1945; Smith, Rev. Soc. Mexicanos Hist. Nat., 7:71, December, 1946; Smith and Taylor, Univ. Kansas Sci. Bull., 33(pt. 2):331, March 20, 1950; Davis and Smith, Herpetologica, 8:134, January 30, 1953; Maldonado-Koerdell, Inst. Mexicanos Recursos Nat. Renov., p. 130, 1953; Peters, Occas. Papers Mus. Zool. Univ. Michigan, 554:22, June 23, 1954; Duellman, Occas. Papers Mus. Zool. Univ. Michigan, 560:15, October 22, 1954; Webb and Fugler, Herpetologica, 13:35, March 30, 1957; Duellman, Occas. Papers Mus. Zool. Univ. Michigan, 589:15, March 21, 1958; Zweifel, Amer. Mus. Novitates, 1949:2, 5, June 17, 1959; Duellman, Univ. Kansas Publ. Mus. Nat. Hist., 15(1):91-92, December 20, 1961.