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, h. Adult. Mexico. 



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



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

 e-cj. Adidt. Mexico. From Hugo Finck's Collection. 



h. Adidt: veiy bad state. Mexico. From Hugo Finek's Collection. 



?', 1-. Adult males. Hondiu-as. 



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. 



Ilyla capistrata, Eeiiss, Mas. Scnclcenh. i. p. oS. pi. 3. f. 4. 

 pimiUa, Dtim. ^- Bibr. p. 565. 



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

 fingers one-third webbed ; sldn of back and throat smooth ; a cuta- 

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

 gular external vocal sac. Brazil. 



**** Group with vomerine teeth arranged in two groups. 



25. Hyla vauterii. 



Hyla vauterii, (Bibr.) 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 slightly webbed ; toes half- webbed ; tympanum one- 

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



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



26. Hyla aurantiaca. 



Hyla aurantiaca, Daud. Rain. p. 28. pi. 9. f. 3, and Re23t. viii. p. 57 ; 



Dum. i^- Bibr. p. 610 ; Burtncister, 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 am-autiacus at lacteus, Merr. Tent. p. 172. 

 Dendrohyas rubra, Tschudi, Batr. p. 74. 

 Sphfenorhynchus lacteus, Tschudi, Batr. p. 71. 



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

 Fingers half- webbed ; toes entii'cly webbed ; tympanum rather in- 

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

 covering the whole of the lower face of the buccal cavity. Above 

 uniform bro'svnish. 



a. Adult: discoloiued. Demerara. Presented 1)}" Sir W. Holmes. 



