16 



Systematic references. — Taylor (1949); Wilson (1976, 1991b); Campbell et al. (1995). 



Remarks. — Two female specimens of this taxon, previously known from only the male 

 holotype, were reported by Campbell et al. (1995). Campbell et al, (1995) indicated that this 

 species appears to have no known close relatives within the genus. 



Tantilla slavensi Perez-Higareda, Smith, and Smith 

 Tantilla slavensi Perez-Higareda et al., 1985: 290. 



Holotype. — Herpetological collection of the Estacion Biolgia Tropical "Los Tuxtlas," 

 Univ. Nac. Autonoma Mexico 1668, adult female, collected 17 April 1983 by Gonzalo Perez- 

 Higareda. 



Type-locality. — Cerro Chochobi, El Acuyal area, 8 km NW Catemaco, elevation 800 m, 



Veracruz, Mexico. 



Distribution. — Low to moderate (50-800 m) of the Atlantic versant in the Los Tuxtlas 

 area of southeastern Veracruz, Mexico. 



Systematic references. — Perez-Higareda et al. (1985); Perez-Higareda and Smith (1991). 



Tantilla striata Dunn 

 Tantilla striata Dunn, 1928; 3. 



Holotype — American Museum of Natural History (AMNH) 19745, adult male, collected 

 in 1919 by Paul D. Ruthling. 



Type-locality. — Mixtequillo, Oaxaca, Mexico. 



Distribution. — Low and moderate elevations of the Pacific versant of the Isthmus of 

 Tehuantepec in the Mexican state of Oaxaca. 



Systematic references. — Wilson and Meyer (1971); Wilson (1990h). 



Tantilla supracincta (Peters) 

 Homalocranion sitpracinctum Peters, 1863: 272. 

 Tantilla annulata Boettger, 1892: 419. 



Holotype. — Universitat Humboldt, Zoologisches Museum, Beriin (ZMB) 4791, aduh 

 female, collected in about 1860 by C. Reib. 



Type-locality. — "Guayaquil," Prov. Guayas, Ecuador. 



Distribution. — Low and moderate elevations of the Caribbean versant from extreme 

 southeastern Nicaragua to central Panama; also on the Pacific versant in Costa Rica, Panama, 

 and Ecuador. 



Systematic references. — Wilson (1982b, 1985d, 1987a). 



Remarks. — The name Tantilla annulata Boettger (1892), long used for this taxon, was 

 placed in the synonymy of this taxon by Wilson (1987a). 



