324 U.S. NATIONAL MUSEUM BULLETIN 2 88 



Specimens Examined 

 COLOMBIA 



Amazonas: Leticia, USNM 152010-1; Puerto Narino, MLS 16; Rio Apaporis, 

 USNM 152139; Rio Apaporis, cauda de La Playa, MCZ 28050. 



Meta: "El mico," USNM 152203. 



Putumato: Rio Mecaya, CNHM 69176. 



Vattpes: Gino-Goj6, USNM 152136-8; no precise locality, MCZ 28042. 

 BRAZIL: Rio VaupSs, Taracua, ZMU 448 (type, vilarsi). 

 ECUADOR: Napo-Pastaza: Montalvo, EPN 1341-42; Cabeceras de Rio Capa 



huari, EPN 1387-89; Rio Villano, EPN 1488-9; Pindo, EPN 1519-20. 

 FRENCH GUIANA: Cayenne, MHNP 4629 (type, leprieuri). 

 PERU: Nauta, ANSP 11399 (type, planiceps). 



Genus Phrynohyas Fitzinger 



1843. Phrynohyas Fitzinger, p. 30 (type species, Hyla zonata Spix). 



Generic diagnosis. — The frogs of this genus show the following 

 combination of characters: skin of head not co-ossified with skull and 

 roof of skull not exostosed; skin on top of head, nape, and shoulder 

 region thickened; no postorbital process on frontoparietal bone; 

 vomerine teeth in two short series between the rather small, rounded 

 choanae; male with paired, lateral vocal pouches. 



Key to Colombian Species of Phrynohyas 



a 1 . Large, uniformly colored, and with a broad head (head width generally 

 greater than 30 mm.) P. ingens 



a 2 . Moderate-sized, with or without a dorsal pattern, and with a rather narrow 

 head (head width generally less than 30 mm.) P. venulosa 



Phrynohyas ingens Duellman 



Plate 39d-f 



1956. Phrynohyas ingens Duellman, p. 22 (type locality, Venezuela, Depart- 

 ment of Zulia, Pueblo Nuevo, La Fria). — Goin, 1961, p. 14. — Gorharn, 

 1963, p. 23. 



1961. Hyla tibiatrix ingens. — Rivero, 1961, p. 131. 



1963. Hyla venulosa ingens. — Rivero, 1963, p. 11. 



Diagnosis. — A large, uniformly colored Phrynohyas with a broad 

 head. 



The largest specimen of Phrynohyas venulosa at hand has a head- 

 body length of 84.5 millimeters and a head width of 27.3 millimeters; 

 the two specimens of P. ingens at hand have head-body lengths of 94.5 

 and 94.6 millimeters and head widths of 31.8 and 33.5 millimeters. 



Description. — MLS 265a, from Astillero, Norte de Santander, 

 Colombia. Vomerine teeth in two short, heavy, transverse series, 

 lying between the moderate-sized, rounded choanae; tongue four-fifths 

 as wide as mouth opening, broadly rounded, its posterior border free 



