110 BULLETIN 187, UNITED STATES NATIONAL MUSEUM 



rings shorter, involving two or tliree ventrals and tliree or four dorsal 

 scale lengths elapoides schmidti 



♦PLIOCERCUS AEQUALIS Salvin 



PUocercus aequalis Salvin, Proc. Zool. Soc. London, 1861, pp. 227-228. — Muller, 



Verb. Nat. Ges. Basel, vol. 6, 1878, p. 662, pi. 2, fig. A. 

 Liophis elapoides aequalis Bocourt, Mission scientifique au Mexique et dans 



FAmerique centrale, Kept., livr. 10, 1886, pp. 637-63S, pi. 41, fig. 7. 

 Elapochrus aequalis GtJNTHEK, Biologia nentrali-Ajnericana, Rept., 1893, pp. 106- 



107, pi. 36, fig. A (in color). 



Type.— Brit. Mus. Nat. Hist. 



Type locality. — San Geronimo, Guatemala. 



Range. — Atlantic foothills from Guatemala (Alta Verapaz) north- 

 westward through Chiapas to the Isthmus of Tehuantepec (by infer- 

 ence ; no definite locality records from Mexico, although Bocourt, loc. 

 cit., records a specimen from "Mexico"). 



PLIOCERCUS ANDREWSI Smith 



PUocercus andrewsi Smith, Proc. Biol. Soc. Washington, vol. 55, 1942, pp. 162-164. 



Type.— Field Mus. Nat. Hist. No. 36323. 

 2''ype locality. — Libre Union, Yucatan. 



Range. — Northern Yucatan (known only from the type locality and 

 Yohdzonot, Yucatan) . 



PLIOCERCUS BICOLOR Smith 



PUocercus Mcolor Smith, Proc. Biol. Soc. Washington, vol. 54, 1941, pp. 123-124. 



Type.—V.&.^.M. No. 25203. 



Type locality. — Tuxpan, Veracruz. 



Range. — KJnown only from the type locality and Teziutlan, Puehla. 



PLIOCERCUS ELAPOIDES ELAPOIDES Cope 



PUocercus elapoides Cope, Proc. Acad. Nat. Sci. Philadelphia, vol. 12, 1860, pp. 



253-254. 

 PUocercus elapoides elapoides Smith, Proc. Biol. Soc. Washington, vol. 54, 1941, 



pp. 119-120 ; vol. 55, 1942, p. 160. 

 Elapochrous deppei Petees, Monatsb. Akad. Wiss. Berlin, 1860, pp. 294-295, fig. 



2 (type locality, Mexico; type in Berlin Mus.). 

 Liophis tricinctus Jan, Arch. Zool. Anat. Fis., vol. 2, 1863, pp. 301-302, 328 (type 



locality, Mexico; cotypes in Milan, Vienna, and Copenhagen Mus.) ; Icono- 



graphie generale des ophidiens, livr. 18, 1866, pi. 4, figs. 4-6) . 



Type. — Acad. Nat. Sci. Phila. Nos. 3810-3, four cotypes. 



Type locality. — Jalapa, Veracruz. 



Range. — Central and southern Veracruz, extreme northeastern 

 Puebla, central eastern Oaxaca, and extreme western Tabasco (known 

 from numerous localities in the state of Veracruz^ and from Teziutlan, 

 Puebla.^ La Venta, Tabasco.^ La Raya and San Cristobal [near Valle 

 Nacional], Oaxaca). 



