406 NEW YORK STATE MUSEUM 



Family 4 ranidae 

 Frogs 

 Usually fair sized forms ; strongly developed hind legs ; hind feet 

 well webbed and no disks on toes ; mostly water-inhabiting forms. 



25 Rana virescens Kalm 



De Kay. Rana halecina, the shad frog, common frog, leopard frog, p. 68, 



pi. 20, fig. 49 



Green, with irregular black blotches edged with white ; these 

 mostly in two irregular rows on back ; legs barred above ; belly 

 pale ; head rather long. Length 2£ inches. 



Probably the commonest of the frogs ; found in moist places 

 and marshes. The first species heard in the spring along with 

 Acris gryllus. Frequently lives in swarms. 



26 Rana palustris Le Conte 



Pickerel frog 



De Kay. Rana palustris, p. 62, pi. 22, fig. 60 



Light brown with two rows of large, oblong square blotches of 



dark brown on back, one or two on sides ; a brown spot above eye ; 



dark band from nostril to eye ; upper jaw white spotted with black. 



Length 3 inches. 



Yery widely distributed, from mountains in north of state to salt 

 marshes on coast. Usually found in cold springs and streams, and 

 is seen more frequently than any other frog in the grass. 



27 Rana septentrionalis Baird 



Northern frog 



Brown or olive, with paler, wormlike markings over the back and 



legs ; sometimes a few dark blotches behind. Length 2-|- inches. 



Reported from northern part of the state. An entirely aquatic 



species. 



28 Rana clamata Daudin 



De Kay. Rana fontinalis, the spring frog, p. 62, pi. 21, fig. 54a 

 Greenish or brownish, shading anteriorly to a bright green ; 



rounded brown spots all over the back ; beneath, grayish white ; 



legs with several transverse bands. Length 3 inches. 



Aquatic, haunting all kinds of waters ; lives singly or in pairs. 



