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, 3} inches; total length, with limbs out- 
stretched, 72? 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 abundantly in ponds and streams, where its familiar 
FIG. 25. THE POND FROG, OR GREEN FROG 
From specimen in Am. Mus. Nat. 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 embryos 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 
