CHECKLIST OF THE SNAKES OF MEXICO 173 



Type locality. — Restricted to Colima (originally "Mexico"). 

 Range. — Vicinity of Colima (known from Colima and Paso del 

 Rio, Colima). ^^ 



MICRURUS DIASTEMA DISTANS (Kennicott) 



Elaps dlstans KENNicxyrr, Proc. Acad. Nat, Sci. Philadelphia, vol. 12, 1860, 



p. 338. 

 Mierurus diastema distans Schmidt, Publ. Field Mus. Nat. Hist., zool. ser., vol. 



20, 1933, p. 39. — Schmidt aud Smith, Publ. Field Mus. Nat. Hist., zool. ser., 



vol. 29, 1943, p. 28. 



Type.—V.S.'^.M. No. 1144. 



Type locality. — Batosegachie ( = Batosegachic), Chihuahua. 



Range. — Southwestern Chihuahua and southern Sonora to southern 

 Sinaloa (recorded from the states of Chihuahua, Jalisco,^® Nayarit, 

 Sinaloa, and Sonora). 



MICRURUS DIASTEMA MICHOACANENSIS (Dnges) 



Elaps diastema michoacanensis Dxjofrs, La Naturaleza, ser. 2, vol. 1, 1891, p. 487, 



pi. 32. 

 Mkrurus diastema michoacanensis Smith, Proc. U. S. Nat. Mus., vol. 93, 1943, 



p. 453. — Schmidt and Smith, Publ. Field Mus. Nat. Hist., zool. ser., vol. 29, 



1943, pp. 28-29. 



Type. — Original lost. Neotype from Tecpan de Galeana, Guerrero, 

 in the Alfredo Duges Mus., Univ. Guanajuato, Mexico. 



Type locality. — ^Michoacan. 



Range. — Balsas River Basin in Michoacan and Guerrero (records 

 are from Tecpan de Galeana, Guerrero^ and near Apatzingan, 

 Michoacan; the race probably occurs in central Oaxaca, and perhaps 

 in Morelos and southwestern Puebla in the Balsas Basin, but records 

 from these areas are not yet available). 



MICRURUS ELEGANS ELEGANS (Jan) 



Elaps elegans Jan, Rev. Mag. Zool., 1858, p. 524, pi. 2, col. ; Iconographie gfinerale 



des ophidiens, livr. 42, 1872, pi. 5, fig. 2. 

 Mierurus elegans elegans Schmidt, Publ. Field Mus. Nat. Hist., zool. ser., vol. 20, 



1933, p. 32. 



Type. — Milan Mus. 



Type locality. — Mexico. 



Range. — Central Veracruz to Tabasco and perhaps into Guatemala 

 (recorded from several localities in the state of Veracruz, and Teapa, 

 Tabasco). 



*" Records of this species from Oaxaca ancl Chiapas are probably referable to nuchalia. 



««The reference of U.S.N. M. No. 67374 (with 237 ventrals) from Masdalena, Jalisco, 

 to Mierurus d. distans instead of to M. d. diastema, tentatively places Mocquard's "Elaps 

 fulvius" (Bull. Soc. Philom. Paris, ser. 9, vol. 1, 1899, p. 157) from Cerro San Juan, near 

 Tepic, Nayarit, with M. d. distans. 



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