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THE AMERICAN MUSEUM JOURNAL 



With the first mild days of spring, the bogs and marshes re- 

 sound with the cheery-, piping notes of the males of this species, 

 the peculiar character of which has given rise to the popular 

 name of "Peeper." Specimens are difficult to find, since they 

 hide among the blades of the coarse grass, and when disturbed 

 take refuge in the water. After the breeding season the animals 



Miss Mary Dickerson, Photo. 



FIQ. 21. ANDERSON'S TREE TOAD 



leave the bogs and live among the leaves and low bushes and 



rank vegetation, and their sharp cries are seldom heard. To 



produce the piping oxy , so intense and penetrating for so small a 



creature, the male fills his vocal sac with air until it is more than 



half the size of the body. Then the air is expelled with such 



energy that the sides of the tiny creature become hollow with 



the convulsive efifort. The eggs of this species are deposited in 



small masses and hatch quickly. The tadpoles undergo a rapid 



metamorphosis. 



[42J 



