BATRACHIA SALrENTIA. 103 



colour above is nearly uniform brown ; in those from Central America 

 oHve, with a very broad, white, blackish-edged band from the upper 

 eyehd to the loin ; some of the warts are deep black ; beneath uniform 

 whitish. Sacral vertebra moderately dilated ; male with two large 

 external vocal sacs behind the angle of mouth, Length of body 2|-" ; 

 length of front extremity 1^" ; length of hinder extremity 3|". 



*** Group ivith vomerine teeth arranged in a straight, elongated line, 

 more or less interrupted on the middle of the palate. ( ) 



15. Hyla cynocephala. 



Dum. ^~ Bibr. Erpetol. Gener. viii. p. 558. 



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

 Fingers not webbed ; back smooth ; head covered with small tubercles. 

 Guiana. 



16. Hyla versicolor. 



Hyla verrucosa, Daud. Rain. p. 33. pi. 4. f. 1. 



versicolor, Lcconte, Ann. Lye. Nat. Hist. New York, i. p. 281 ; 



Harlan, Journ. Acad. Nat. Sci. Fliilad. v. 343 ; Dum. ^- Bibr. 



p. 566 ; Dekay, Neiv York Fauna, Rept. p. 71. pi. 21. f. 53 a ; Holbr. 



N. Amer. Herpet. iv. pi. 28. 

 Dendrohyas versicolor, Tschudi, Batr. p. 75. 



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

 Fingers one-third webbed ; sldn warty ; a cutaneous fold across the 

 chest. Green, grey, or brown, with irregular darker spots ; beneath 

 yellowish. Male with a subgular external vocal sac. 



a. Adult. Great Bear Lake. Presented by Sir J. Richardson. — 



Above greenish. 

 6. Adidt male. Canada. Presented by J. Howell, Esq. 



c. Adult male. Chippaway. 



d. Adult male. New York. 



e. Adult female. Philadelphia. From Mr. Cuming's Collection. 

 /, g. Half-grown. California. From Mr. Stevens's Collection. 



h, i. Adult : bad state. North America. Presented by Edward 



Doubleday, Esq. 

 Jc. Adult male. North America. Presented by Dr. Jacob Green. 

 l-o. Adult. North America. Presented by Mr. Drummond. 

 p, q. Half-grown. North America. Presented by Edward Doubleday, 



Esq. 

 r-t. Yoimg: very bad state. North America, Presented by Edward 



Doubleday, Esq. 

 u. Adult male. Mexico. From M. Parzudaki's Collection. 

 V. Adult female. Vera Cruz. From Mr. Cuming's Collection. 

 w. Adult female. America. 

 .V. Adult female. America. 

 If. Half-grown : bleached. America. 



