106 REPTILES. 



a cutaneous fold across the chest. Male with a vocal sac on each 

 side beneath the angle of mouth ; both sacs communicating one with 

 the other, 



a, b. Adult. Mexico. 



c. Adult, Mexico. From M, Parzudaki's Collection, 



d. Adult : not good state. Mexico. From M. Salle's Collection. 

 e-g. Adult. Mexico. Prom Hugo Finck's Collection. 



h. Adult : very bad state. Mexico. From Hugo Finck's Collection. 



i, l\ Adult males. Honduras. 



1. Half-grown. Vera Cruz, From Mr, Cuming's Collection. 



m. Adult female. Brazil. Presented by Lord Stuart. 



n. Adult : not good state. Brazil. 



24. Hyla capistrata. 



Hyla capistrata, Reuss, 3Ius. Senckenb. i. p. 58. pi, 3, f. 4, 

 pumila, Di(7n. ^- £ibr. p. 565, 



Vomerine teeth on a level with the front edge of the nostrils ; 

 fingers one-third webbed ; skin of back and thi'oat smooth ; a cuta- 

 neous fold across the chest ; Hps white-spotted ; male with a sub- 

 gular external vocal sac. Brazil. 



**** Group with vomerine teeth arranr/ed in two groups. 



25. Hyla vauterii. 



Hyla vauterii, (Bihr.) Bell, Zool of the Beagle, Rept. p. 45. pi. 19. f. 2, 



Vomerine teeth in two groups, situated on a level with the hinder 

 edge of the nostrils, and rather obliquely arranged, divergent towards 

 behind ; fingers sHghtly webbed ; toes half- webbed ; tympanum one- 

 third of the width of eye, Eeddish grey above with brown spots. 



a. Adult. Maldonado, Presented by Charles Darwin, Esq, 



2Q. Hyla aurantiaca. 



Hyla aurantiaca, Daud. Rain. p. 28. pi. 9. f. 3, and Rept. viii. p, 57 ; 



Dtmi. 8i~ Bibr. p. 610 ; Burmeister, I. c. p. 105. 

 Hyla lactea, Daud. Rain. p. 30. pi. 10. f. 2, and Rept. viii. p. 62 ; 



Latr. Rept. ii. p. 178. 

 Calamita aurantiacus et lacteus, 3ferr. Tent. p. 172. 

 Dendrohyas rubra, Tschudi, Batr. p. 74. 

 Sphsenorhynclius lacteus, Tschudi, Batr. p, 71. 



Vomerine teeth on a level with the hinder edge of the nostrils. 

 Fingers half- webbed ; toes entirely webbed ; tympanum rather in- 

 distinct ; upper parts smooth ; tongue entire behind, very large, 

 covering the whole of the lower face of the buccal ca-vdty. Above 

 uniform brownish. 



a. Adult: discoloured. Demerara. Presented bv Sir W. Holmes. 



