CHECKLIST OF THE SNAKES OF MEXICO 41 



Type locality. — Mexico. 



Range. — Central Veracruz to northern Honduras, on the Atlantic 

 coast, including the Yucatan Peninsula (known from several localities 

 in the states of Campeche [Champoton,' Ciudad del Carmen, Bal- 

 chacaj], Chiapas [Palenque], Oaxaca [Tetela], Quintana Roo [south 

 of Catmis], Tabasco [Tenosiquel, Veracruz [Cerro del Gallo, Cuato- 

 talapam, Estacion Forestal, Mandinga, Potrero Viejo, Tierra Colorada, 

 Veracruz], and Yucatan). 



CONIOPHANES IMPERIALIS COPEI Hartweg and Oliver 



Coniophanes imperialis copei Haktweg and Oli\^r, Occ. Pap. Mus. Zool. Univ. 

 Michigan, No. 390, 1938, p. 4. — Bah^ey, Pap. Michigan Acad. Sci. Arts Lett., 

 vol. 24, pt. 2, 1938 (1939), pp. 42-43, pi. 1, fig. 3, pL 3, fig. 3, map text fig. 5.— 

 Smith, Proc. U. S. Nat. Mus., vol. 93, 1943, pp. 406-107. 



Type.— Univ. Mich. Mus. Zool. No. 82666. 



Type locality. — Between Cerro Guengola and Tehuantepec, Oaxaca. 



Range. — Pacific slopes of the Isthmus of Tehuantepec, Oaxaca 

 (known from several localities in the vicinity of Tehuantepec and 

 Santiago, Oaxaca). 



CONIOPHANES LATERITIUS Cope 



Coniophanes lateritius Cope, Proc. Acad. Nat. Sci. Philadelphia, vol. 13, 1861 

 (1862), p. .524.— Bailey, Pap. Michigan Acad. Sci. Arts Lett., vol. 24, pt. 2, 

 1938 (1939), pp. 28-29, map text fig. 3.— Taymb, Univ. Kansas Sci. Bull., vol. 

 27, 1942, pp. 125-126, fig. 5 (head scales and pattern). 



TacJiymcnis mclanocephala Petei^s, Monatsb. Akad. Wiss. Berlin, 1869, p. 876 

 (type locality, possibly, state of Puebla; type in Berlin Mus.). 



Type.— Lost. Neotype E. H. Taylor-H. M. Smith Coll. No. 5198. 



Type locality. — Guadalajara, Jalisco. 



Range. — Foothills probably from Nayarit to Oaxaca, in semiarid 

 regions (definitely recorded from only three localities : Jalisco [Guada- 

 lajara], north-central Guerrero [Huajintlan, south of Puente de Ixtla, 

 Morelos], and possibly southern Puebla [Matamoros?]). 



CONIOPHANES MERIDANUS Schmidt and Andrews 



Coniophanes meridanus Schmidt and Andrews, Publ. Field Mus. Nat. Hist., zool. 

 ser., vol. 20, No. 18, 1936, pp. 179-180.— Bailey, Pap. Michigan Acad. Sci. Arts 

 Lett., vol. 24, pt. 2, 1938 (1939), pp. 43-44, map text fig. 5. 



Type.— Field Mus. Nat. Hist. No. 19427. 

 Type locality. — Merida, Yucatan. 



Range. — Northern portion of the Yucatan Peninsula (definitely 

 recorded only from the type locality and Coba, Quintana Roo) . 



CONIOPHANES PICEIVITTIS Cope 



Coniophanes piceivittis Cope, Proc. Amer. Philos. Soc, vol. 11, 1869 (July), pp. 

 149-150. — Baitxy, Pap. Michigan Acad. Sci. Arts Lett., vol. 24, pt. 2, 1938 

 (1939), pp. 29^-31, pi. 2, fig. 2, map text fig. 4. 



