460 TEN YEARS IN SWEDEN. 



wards by lungs. During the breeding season they all live 

 in the water, but at other times principally on land. 



Nilsson remarks : " It is singular that each of the three 

 foregoing orders find types in the batrachia thus the tor- 

 toises are represented by the toads, the lizards by the newts, 

 and the snakes by the ceecilia9. 



TAILLESS AMPHIBIA. 



Body broad and short ; no signs of a tail when full 

 grown ; four toes on the anterior extremities ; five on the 

 hinder j skin smooth or tuberculated. 



Fam. 1. EANIDA. Frogs. 



Teeth in the upper jaw and on the vomer ; hinder legs 

 much longer than the fore legs, on which account they hop 

 readily. 



Land Frogs. 



Gen. Hld Laur. 



Eeadily distinguished by a disk or cushion at the ex- 

 tremity of the toes, which enables them to adhere to the 

 leaves of trees and other smooth substances. The males 

 have a vocal bladder on each side of the neck ; hinder toes 

 half webbed ; body smooth above. 



8. HTLA VIRIDIS, Laur. Lof Groda. 



Colour green above, white under, with a yellow and 

 black streak through the eyes and along the sides of 

 the body. 



This is the smallest and handsomest of all the frogs, 

 measuring rarely over an inch and a half. Is rare in Sweden, 

 and confined to the shrubby plantations of South and East 

 Scania. 



Water Frogs. 

 Gen. Eana, L. 



Hind toes wholly webbed ; toes round, with no disk nor 

 cushion. 



