110 REPTILES. 



the former exhibit no difference, whilst in the latter the iliac bones 

 appear to be rather more elongate in proportion to the length of the 

 whole vertebral column : the proportions of the different parts of the 

 extremities are nearly the same. 



31. Hyla rubra. 



Hyla rubra, Daud. Rain, p. 26. pi. 9. f. 1, 2, and Rept. viii. p. 53 ; Latr. 



Rept. ii. p. 176 ; Dum. Sf Bihr. p. 592 ; Bunneister, I. c. p. 109. 

 Calamita ruber, Merr. Tent. p. 171. 

 Hyla X-siguata, Spix, Test. t. 11. f. 3. 

 Auletris rubra, Wagl, Amph. p. 201. 



Vomerine teeth between the nostrils. Fingers quite free ; upper 

 parts with a few small scattered tubercles ; a fold across the chest ; 

 tympanum not half the width of the eye ; tongue slightly notched 

 behind. Above brownish or greyish, with a triangular spot between 

 the eyes ; generally on each side a curved band, both nearly con- 

 fluent on the middle of the back, divergent towards front and towards 

 behind. 



a, h. Adult. Demerara. Presented by Captain Friend. 



c, d. Adult : discoloured. Demerara. Presented by Colonel Sabine. 



e. Adult. South America. Mus. Guilding. 



f-h. Adult and half-grown. South America. From Mr. Bates's 

 Collection, 



i. Adult. Brazil. 



1c. Adult : bad state. Santarem ; Amazons. From Mr. Bates's Col- 

 lection. 



I. Adult. Para. Presented by R. Graham, Esq. 



m, n. Adult. Para. Presented by R. Graham, Esq. 



0. Adult : bad state. Para. Presented by R. Graham, Esq. 



2^. Adult. Para. From Mr. Stevens's Collection. 



q. Adult. Para. From Mr. Stevens's Collection. 



32. Hyla zebra. ^ 



Dutn. Sf Bibr. Erpetol. Gener. viii. p. 575. 



Yomerine teeth nearly on a level with the hinder edge of the 

 nostiils. Fingers one-thii'd webbed; tympanum small, half the 

 width of eye ; head covered with small glands. Above brownish ; 

 thighs black- and white-banded. 



33. Hyla leucomelas. 



Dum. 8f Bibr. Erpetol. Gener. p. 576. 



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

 Fingers one-third webbed ; upper parts quite smooth. Above greyish, 

 minutely dotted with black. 



a. Adult. Caraccas. 



