202 THE AMERICAN MUSEUM JOURNAL 



entire length of the body, there is a vein-like ridge or fold of 

 skin. The Pond Frog is, moreover, considerably smaller- 

 Average length of body, i\ inches; total length, with limbs out- 

 stretched, 7f inches. 



Range: Eastern and central United States and southern 

 Canada. 



Local Distribution: General and abundant. 



With the possible exception of the Toad, the Pond Frog is 

 the most familiar of our local batrachians. It is found every- 

 where and abtuidantly in ponds and streams, where its familiar 



FIQ- 25- THE POND FROG, OR GREEN FROG 

 From specimen in Am. Mus. Nal. Hist. 



croaking may be heard during the summer months. The eggs 

 are deposited in masses early in the spring. The jelly-like 

 clusters containing the numerous black dots representing the 

 developing embr\'os are familiar objects. The tadpoles are 

 rather slow in growth, generally consuming two seasons before 

 they complete their metamorphosis, according to the tempera- 

 ture of the water and its exposure to sunlight. In the fall the 

 tadpoles burrow into the mud and hibernate. The average tad- 

 pole is three inches in length when the limbs are well advanced 

 in growth, and the young frog, immediately after absorption 

 of the tail, measures slightly more than an inch. Tadpoles 



l48] 



