98 



3. HYLA. 



Vomerine teeth. Skin smooth, or with scattered small tubercles ; 

 no large gland. Disks always very conspicuous ; fingers more or 

 less webbed, in some species quite free ; toes broadly webbed, in one 

 species only "wdth a narrow membrane at the base. Tympanum 

 distinct ; eustachian tubes always very conspicuous ; tongue large, 

 more or less cii'cular, entire or slightly notched behind. Males with 

 one or two vocal sacs (except in one species). Cosmopolitan. 



Hyla, Lophopus, Centrotelma, Hylomediisa, Burmeister, JErlauterun- 



gen zur Fanna Brasiliens, p. 90. 

 Hyla, Bell, Zool. of the Beac/le, Rept. p. 43. 

 Hyla, Dum. 8f Bihr. viii. p. 542 ; Gray, I. c. ; Cuv. Regne Anim. ; Laur. 



Si/n. Re^d. p. 32 ; Daud. Hist. Nat. Rain. Gren. Crap., and Hist. 



Nat. Rept. viii. 

 Dendrohyas, Hj^siboas, Lophopus, Calamita, Ranoidea, Spbseno- 



rbynchus, Tschudi, Batr. p. 71-74. 

 Calamites, Hypsiboas, Auletris, Hyas, Scinax, Phyllodytes, Wagl. 



Syst. Amph. p. 200-202. 

 Calamita, sp., Kana, sp., auct. prior, 



* Group ivith vomerine teeili in tivo curved, more or less separated 

 series, forming together an arch ivith the conveccity toivards the 

 front. { C~\) 



1. Hyla albomarginata. 



Hyla albomarginata, S^rix, Test. t. 8. f. 1 ; Dum. Sf Bibr. p. 555. 

 Hypsiboas albomarginata, Wagl. Syst. Amjjh. p. 201 ; Tschudi, Batr. 



p. 72 ; Guichenot, Rept. in Castelnaii' s Anim. nouv. ou rares, p. 82. 

 ? Hyla infulata, Wied, Beit?: i. p. 533, and Ahhild. t. ; Burmeister, 



I. c. p. 97. t. 80. f. 1-6. 



The thi'ee outer fingers nearly entirely webbed. Skin smooth ; 

 head short. Minutely punctulated with brown ; a white glandular 

 fold passing above the eye. 



a. Adult. Rio Janeiro. Presented by A. Fry, Esq. 



6. Adult. Para. 



c^g. Adult and half-grown. Brazil. Presented by Lord Stuart. 



h. Half-grown. Brazil. 



i. Half-grown. Brazil. From Dr. Gardiner's Collection. 



Tc, I. Young. Brazil. From Dr. Gardiner's Collection. 



m. Young : discoloured. Brazil. Presented by Lord Stuart. 



n. Adult. South America. Presented by Charles Darwin, Esq. 



0. Half-grown : discoloured. South America. 



2. Hyla langsdorfii. 



Hyla langsdorfii, Dum. fy Bibr. Erp)et. Gener, viii. p. 557 ; Guichenot, 



I. c. pi. 17. f. 1. 

 Centrotelma langsdorfii, Burmeister, I. c. p. 100. 



The three outer ficngers nearly entirely webbed. Skin minutely 

 granular ; head large, with angular muzzle. Brownish, with whitish 

 and brown variegations ; in old age more unifonn. 



