Distribution.—Pacific coastal region of Chiapas, México, southeastward into Guatemala; southeastern highlands and the dry valley of central and eastern Guatemala; Caribbean lowlands of Honduras southward to the region of Tegucigalpa, Honduras ([fig. 4]).

Specimens examined.—Total of 27, as follows: Guatemala: no specific locality, CNHM 22912, NMW 16830. Jutiapa: Hacienda Mongoy, UMMZ 106725. El Progreso: El Progreso, CAS 67000; El Rancho, UMMZ 106724; San Antonio, CAS 66999. "Peten," USNM 6751(2), 6803. Sacatepequez: Dueñas, BMNH 64.1.26.17, 64.1.26.126-127. Zacapa: Pepesca, AMNH 72555-56.

Honduras: no specific locality, AMNH 58364. Cortes: San Pedro Sula, CNHM 5295-96. Francisco Morazan: El Zamarano, AMNH 70189; Tegucigalpa, MCZ 49785, 49787-88, 49791, 49793, 49795.

México: Chiapas: Soconusco, UIMNH 33646-47; Tonalá, USNM 109707.

Conophis vittatus Peters

Tomodon lineatum (in part), Duméril, Bibron and Duméril, Erpétologie Générale, 7(pt. 2):936-938, February 25, 1854.

Conophis vittatus Peters, Monatsb. Akad. Wiss. Berlin, pp. 519-520, pl., fig. 3, October, 1860; Cope, Proc. Amer. Philos. Soc., 11:162, 1870; Bocourt in Duméril, Bocourt and Mocquard, Mission Scientifique au Mexique et dans l'Amerique Centrale, 2:644-646, pl. 38, fig. 7, 1886; Günther, Biologia Centrali-Americana, p. 165, March, 1895; Boulenger, Catalogue of the Snakes in the British Museum (Natural History), 3:123-124, 1896; Cope, Amer. Nat., 30:1024, 1896; Ann. Rept. U. S. Natl. Mus. for 1898, pp. 1094-1095, 1232, 1900; Gadow, Proc. Zool. Soc. London, 2:225, 1905; Amaral, Mem. Inst. Butantan, 4:211, 1929; Gadow, Jorullo, p. 55, 1930; Smith, Zool. Ser. Field Mus. Nat. Hist., 24:31-32, January 30, 1939; Taylor and Smith, Univ. Kansas Sci. Bull., 25:252-253, pl. 23, July 10, 1939; Stuart, Contr. Lab. Vert. Biol. Univ. Michigan, 65:23, March, 1954; Alvarez del Toro, Reptiles de Chiapas, pp. 153-154, 1960.

Conophis lineatus Cope, Proc. Acad. Nat. Sci. Philadelphia, 16(3):167, 1864 [nec Duméril, Bibron and Duméril, Erpétologie Générale, 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.

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.