CHECKLIST OF THE AMPHIBIA OF MEXICO 67 



Type.— U.S.N. M. No. 16558 (lectotype). 



Type locality. —Onz'dha. and C6rcloba, Veracruz; restricted to 

 vicinity of Orizaba. 



Range. Ssin Luis PotosI through Central America to ?Brazil 

 (Jide Miranda-Ribeiro). Reported in Mexico from San Luis Potosi: 

 Chapulhuacan; Veracruz: Potrero Viejo, San Juan de Gracia, Cuautla- 

 pan; Chiapas: San Juanito (near Palenque), La Esperanza (near 

 Escuintla), Colonia Soconusco, TonaU, Las Nubes, Cliicharras, Salto 

 de Agua, Las Gradas, Cruz de Piedra, Finca Judrez; Oaxaca: Matias 

 Romero; Tabasco: La Venta. 



ELEUTHERODACTYLUS DUNNI Barbonr 



Eleutkerodadylus dunnii Barbour, Proc. Biol. Soc. Washington, vol. 35, 1922, 

 pp. 111-112. — Kellogg, U. S. Nat. Mus. Bull. 160, 1932, pp. 69, 105-106.— 

 Taylor and Smith, Proc. U. S. Nat. Mus., vol. 95, 1945, pp. 670, 572, 

 fig. 61 E-H. 



Type.— Mus. Comp. Zool. No. 8242. 



Type locality. — Cerro de los Estropajos, west of Jalapa, Veracruz, 

 Mexico. 



Range. — Western Veracruz and eastern Puebla. Reported from 

 Veracruz: Tequeyutepec, Cuautlapan, Xico, and Cerro de los Es- 

 tropajos; Puebla: Huauchinango. 



Family HYLIDAE Giinther 



Hylidae GIjnther, Catalogue of the Batrachia Salientia in the collection of the 

 British Museum, 1858 (1859), p. 96. 



KEY TO MEXICAN GENERA OF HYLIDAE 



1. Terminal phalanges more or less T-shaped; very small green frogs, the 



color quickly fading; transparent on venter so internal organs may be 



seen; 2 species Centrolenella (p. 68) 



Terminal phalanges more or less claw-shaped; not transparent on ventral 



surface 2 



2. Skin of head co-ossified with cranium 3 



Skin on head not co-ossified with cranial bones; head not forming casque. 6 



3. Head a bony casque with a lateral shelf 4 



Head not in form of a bony casque; no palatine or parasphenoid teeth. . 5 



4. Palatine teeth present forming a curved row behind choanae; para- 



sphenoid teeth present, forming a single median row; lateral shelf 



wide; 2 species Diaglena (p. 69) 



Palatine teeth absent; parasphenoid teeth present, small; lateral shelf 

 narrow; 1 species Triprion (p. 70) 



5. A series of high, conical, curved, bony spines surrounded by glands 



border occipital region, and are continued (much shortened) anteriorly 



along the borders of skull bones; 1 species Anotheca (p. 70) 



No spines on skull; head tending to bend sharply forward, especially 

 when preserved; 1 species Pternohyla (p. 70) 



