44 BULLETIN 194, UNITED STATES NATIONAL MUSEUM 



Type.— ERT-HMS No. 374, 



Type locality. — 2 miles east of MazatUn, Sinaloa, Mexico. 



Range. — Southern Sonora through Sinaloa, on Pacific slopes. 

 Recorded from Sonora: Alamos, Guirocoba, Navajoa; Sinaloa: 

 Mazatldn. 



BUFO CRIST ATUS Wiegmann 



Bufo cristatus Wiegmann, Isis von Oken, vol. 26, 1833, pp. 660-661. — Kellogg, 

 U. S. Nat. Mus. Bull. 160, 1932, pp. 33, 48-49, fig. 9, a, b.— Taylor and 

 Smith, Proc. U. S. Nat. Mus., vol. 95, 1945, p. 559, pi. 23, figs. 5, 6. 



Bufo occipitalis Camerano, Atti Accad. Sci. Torono, vol. 14, 1879, pp. 889, 890 

 (Mexico; type lost). 



Type.— Cot jpes, Mus. Nat. Berlin Nos. 3523, 3524. 



Type locality. — Jalapa, Veracruz, Mexico. 



Range. — Known only from central western Veracruz and Pacific 

 slopes of Chiapas. Reported from Cuautlapan, Jalapa, San Jose de 

 Gracia, and Potrero Viejo, Veracruz; Cruz de Piedra, Sal to de Agua, 

 and Colonia Soconusco, Chiapas. 



BUFO NAYARITENSIS Taylor 



Bufo nayaritensis Taylor, Univ. Kansas Sci. Bull., vol. 29, 1943, pp. 349-351, 

 pi. 26, figs. 1, la. 



Type.— ERT-HMS No. 397. 

 Type locality. — Tepic, Nayarit, Mexico. 



Range. — Known from the type locality and possibly Acaponeta, 

 Nayarit. 



BUFO COCCIFER Cope 



Bufo coccifer Cope, Proc. Acad. Nat. Sci. Philadelphia, vol. 18, 1866, pp. 130- 

 131.— Kellogg, U. S. Nat. Mus. Bull. 160, 1932, pp. 35, 41, fig. 6, a-b.— 

 Taylor and Smith, Proc. U. S. Nat. Mus., vol. 95, 1945, p. 558, pi. 22. 



Type.— \J. S.N. M. No. 6490. 



Type locality. — Arriba, Costa Rica. 



Range. — Pacific slopes, Guerrero to Costa Rica. Reported in 

 Mexico from Oaxaca: Juchitdn, Tehuan tepee, Cacoprieto; Guerrero: 

 Agua del Obispo. 



BUFO VALLICEPS Wiegmann 



Bufo valliceps Wiegmann, Isis von Oken, vol. 26, 1833, pp. 657-659. — Dickerson, 

 The frog book, 1906, pp. 108-110, figs. 112-115, col. pi. 5, fig. 3.— Kellogg, 

 U. S. Nat. Mus. Bull. 160, 1932, pp. 35, 68-72, fig. 15.— Taylor, Univ. Kansas 

 Sci. Bull., vol. 26, 1939 (1940), pi. 53, fig. 2.— Taylor and Smith, Proc. 

 U. S. Nat. Mus., vol. 95, 1945, pp. 559-561, pi. 24, figs. 1-6. 



Btifo trachypus Wiegmann, Isis von Oken, vol. 26, 1833, pp. 657-658 (same types 

 as for the preceding). 



