THE CROAKERS. 



33 



nalis, Rcma clamata, and Rana catesbiana, which I 

 copy : 



1. They have no chcmt d^ amour in spring. 



2. They retire early to hibernate with the first 

 autumnal frost. 



3. They live in the water and lie ia wait for their 

 food, never hunting for it on land. 



4. They poise the body on floating weeds, or sit 

 on the bank, or on any bit of stick or log that suits 

 their purpose. 



5. Their tadpoles require two years in which to 

 mature. 



6. Their notes are produced by inflating the 

 throat pouch and suddenly expelling the air ; where- 

 as in Roma virescens, etc., 

 there is a pouch on either 

 side near the angle of 

 the jaws. 



T. They are all 

 tinged with yellow- 

 ish green under the 

 chin. 



The wood frog 

 {Rana sylvatica) is 

 a distinctly sylvan 



character, he is frequently found among the dead 

 and moist leaves on the border of the brook which 



Wood Frog i^Rana sylvatica). 



