CHECKLIST OF THE AMPHIBIA OF MEXICO 43 



Bufo occidentalis Camerano, Atti Accad. Sci. Torino, vol. 14, 1879, p. 887 (Mexico- 

 Turin Mus.). 



Bufo monksiae Cope, Proc. Amer. Philos. Soc, vol. 18, 1879, p. 263 (Guanajuato 

 Mexico; U.S.N.M. No. 9896). 



Type. — (Cotypes) Zoological Museum, Krakow, Poland. 



Type locality. — ChiriquI River in the vicinity of Bocas del Toro, 

 Panama. 



Range. — Discontinuous; Sinaloa and Veracruz southward to the 

 Isthmus of Tehuantepec; Panama and northern South America. In 

 Mexico recorded from the states of Chihuahua, Sinaloa, Colima, 

 Zacatecas, Durango, Nayarit, Jalisco, Guanajuato, Hidalgo, Distrito 

 Federal, Morelos, Tlaxcala, Puebla, Guerrero, Veracruz, and Oaxaca. 



BUFO BOREAS HALOPmLUS Baird and Girard 



Bufo halophila Baird and Girard, Proc. Acad. Nat. Sci. Philadelphia, vol. 6, 



1853, p. 301. 

 Bufo boreas halophilus Camp, Univ. California Publ. Zool., vol. 17, 1917, p. 116. 



Ti/pe.— U.S.N.M. No. 2589. 



Type locality.- — Benicia, Calif. 



Range. — California, western Nevada and northern Baja California. 

 Reported from Baja California: San Pedro Mdrtir Mountains, La 

 Grulla, 7,500 feet, Vallecitos, 8,000 feet, north end of Nachogiiero 

 Valley and Enscnada. 



BUFO CANALIFERUS Cope 



Bufo canaliferus Cope, Proc. Amer. Philos. Soc, vol. 17, 1877, pp. 85-86. — 

 Kellogg, U. S. Nat. Mus. Bull. 160, 1932, pp. 34, 40-41, fig. 5.— Taylor 

 and Smith, Proc. U. S. Nat. Mus., vol. 95, 1945, p. 557, pi. 21, fig. 1. 



2Vi?e.— (Cotypes) U.S.N.M. Nos. 30315-24. 



Type locality. — "West Tehuantepec," Oaxaca, Mexico. 



Range. — Pacific slopes of Oaxaca and Chiapas, and probably south- 

 ward in Central America. Reported from Oaxaca: Chivela, Santa 

 Efigenia, Tapana, Tehuantepec; Chiapas: Cruz de Piedra, Colonia 

 Soconusco, La Esperanza, Rancho Las Gradas, Tonala, Tapachula. 



BUFO GEMMIFER Taylor 



Bufo gemmifer Taylor, Univ. Kansas Sci. Bull., vol. 26, 1939 (1940), pp. 490- 

 492, pi. 53, figs. 3, 3a, 3b. 



Type.—EWT-RMS No. 18509. 



Type locality.— 'EX Limoncito, near La Venta, Guerrero, Mexico. 



Range. — Known only from the type locality. 



BUFO MAZATLANENSIS Taylor 



Bufo mazatlanensis Taylor, Univ. Kansas Sci. Bull., vol. 26, 1939 (1940), pp. 

 492-494, pi. 53, fig. 1, pi. 54. 



