76 BULLETIN 194, UNITED STATES NATIONAL MUSEUM 



Smilisca baudinii Dickbrson, The frog book, 1906, pp. 151-152, pi. 57, figs. 178- 



183. 

 Hyla baudinii baudinii Stejneger and Barbour, Checklist of North American 



amphibians and reptiles, ed. 2, 1923, p. 29. 

 Hyla vanvlieiii Baird, Proc. Acad. Nat. Sci. Philadelphia, vol, 7, 1854, p. 61 



(Brownsville, Tex.; U.S.N. M. No. 3239, lost). 

 Smilisca daulinia Cope, Proc. Acad. Nat. Sci, Philadelphia, vol. 17, 1865, p. 65, 



footnote ( = Hyla baudinii). 

 H.iyla) muricolor Cope, Proc. Acad. Nat. Sci. Philadelphia, vol. 14, 1862, p. 359 



(Mirador, Veracruz; U.S.N. M. No. 25097). 



Type.—MMs. Hist. Nat. Paris No. 401 (No. 4798). 



Type locality. — Mexico. 



Range. — Southern Texas and Sonora soutii along lowlands to Hon- 

 duras. Reported in Mexico from Distrito Federal and the states of 

 Campeche, Chiapas, Colima, Guerrero, Hidalgo, Jalisco, Nayarit, 

 Nuevo Le6n, Oaxaca, Puebla, Quinte.na Roo, San Luis PotosI, 

 Smaloa, Sonora, Tabasco, Tarnaulipas, Veracruz, and Yucatan. 



Genus HYLELLA Reinhardt and Liitken 



Hylella Reinhardt and LtJTTTEN, Vid. Medd. Nat. Foren. Kj0benhavn, 1861, pt. 



1, 1862, p. 199. 

 Exerodonia Brocchi, Bull. Soc, Philom. Paris, ser. 7, vol. 3, 1879, p. 20 {Exerodonta 



sumichrasti Brocchi). 



Genotype. — Hylella tenera (herewith designated). 

 Range. — Morelos and Oaxaca to Paraguay and BrazU. 

 Species. — Nine, two of which occur in Mexico. 



KEY TO MEXICAN SPECIES OF HYLELLA 



1. A vocal sac present; chin strongly granular; undersurface of arms with 



irregular granules; pads on digit tips large azteca (p. 77) 



Vocal sac absent; chin not or but very slightly granular; undersurface of 

 arm smooth; an elevation usually present on vomers (rarely with teeth); 

 digital pads smaller sumichrasti (p. 76) 



HYLELLA SUMICHRASTI (Brocchi) 



Exerodonta sumichrasti Brocchi, Bull. Soc. Philom. Paris, ser. 7, vol. 3, 1879, p. 20. 

 Hijlella platycephala Cope, Proc. Amer. Philos. Soc, vol. 18, 1879, pp. 267-268 



(Tapana [=Tapanatepec], Oaxaca, Mexico; U.S.N. M. No. 10037, five 



cotypes). 

 Hylella sumichrasti Boulenger, Catalogue of the Batrachia Ecaudata in the 



collection of the British Museum, ed. 2, 1882, p. 366.— Kellogg, U. S. Nat. 



Mus. Bull. 160, 1932, pp. 180, 181-182. 



Type. — Lost, presumably (Ude Kellogg). 

 Type locality. — Santa Efigenia, Oaxaca, Mexico, 

 Range. — Semi-arid Pacific slopes of Oaxaca at the Isthmus of 

 Tehuantepec. Known from Oaxaca: Santa Efigenia, Japana (=Tapa- 



