CHECKLIST OF THE AMPHIBIA OF MEXICO 93 



MICROHYLA OUVACEA (Hallowell) 



Engystoma olivaceum Hallowell, Proc. Acad. Nat. Sci. Philadelphia, vol. 8, 



1856 (1857), p. 252. 

 Gastrophryne olivacea Smith, Copeia, Dec. 27, 1933, p. 217. 

 Microhyla olivacea Parker, Monograph of the frogs of the family Microhylidae, 



1934, pp. 126, 144.— Taylor, Univ. Kansas Sci. Bull., vol. 26, 1939 (1940), 



pp. 529-531 {part). 



Type. — Not known. 



Type locality. — "Kansas and Nebraska," probably Kansas. 



Range. — Central United States from Kansas south to Coahuila, 

 Chihuahua, and Durango. Recorded or known from Coahuila: 2 to 3 

 miles east of Torreon, Musquiz; Chihuahua: Rio Santa Maria; 

 Durango: 5 miles north of Conejos; Sonora: Norla. 



MICROHYLA ELEGANS (Boulenger) 



Engystoma elegans Boulenger, Catalogue of the Batrachia Salientia in the col- 

 lection of the British Museum, ed. 2, 1882, p. 162. 



Gastrophryne elegans Kellogg, U. S. Nat. Mus. Bull. 160, 1932, pp. 183, 187. 



Microhyla elegans Papker, Monograph of the frogs of the family Microhylidae, 

 1934, p. 144.— Taylor, Univ. Kansas Sci. Bull., vol. 26, 1939 (1940), pp. 

 628-529. 



Type.— Brit. Mus. Nat. Hist. No. 56.3.17.27. 



Type locality. — Cordoba, Veracruz, Mexico. 



Range. — Southern Veracruz to Peten, Guatemala, in lowlands. 

 Known from Veracruz: Cordoba, Presidio; Campeche: Tres Brazos; 

 also from Piedras Negras, Guatemala, on the Chiapas border. 



MICROHYLA USTA USTA (Cope) 



Engystoma rugosum (non Dum^ril and Bibron) GiJnther, Catalogue of the 



Batrachia Salientia in the collection of the British Museum, 1858 (1859), 



p. 52. 

 Engystoma ustum Cope, Proc. Acad. Nat. Sci. Philadelphia, vol. 18, 1866, p. 131. 

 Gastrophryne usia Kellogg, U. S. Nat. Mus. BuU. 160, 1932, pp. 183, 187-188 



(part). 

 Microhyla usta Parker, Monograph of the frogs of the family Microhylidae, 



1934, pp. 148-149 (part). 

 Microhyla usta usta Taylor and Smith, Proc. U. S. Nat. Mus., vol. 95, 1945, 



pp. 602-603, pi. 32, figs. 1-4. 

 Engystoma mexicanum Peters. Monatsb. Akad. Wiss. Berlin, 1869, p. 181 (state 



of Puebla, probably Matamoros, Mexico; Berl. Mus. ?). 



T^/pe.—V.S.l<l.M. No. 24965. 



Type locality. — Guadalaxara (= Guadalajara), Jalisco, Mexico. 



Range. — Sinaloa and central Veracruz southward to near the Isthmus 

 of Tehuantepec. Reported or loiown from Veracruz: Palma Sola, 

 Potrero Viejo, near Canada, 4 miles east of Encero, Tierra Colorada, 

 Rodriguez Clara, Cuautlapan, Escamilla; Guerrero: 1 mile north of 

 Organos, 2 miles north of Xaltinanguis near El Treinta; Colima: 



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