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AMPHIBIA 



It is brownish in color, with two rows of large brown spots between 

 the dermal plicae which are ridges or folds of skin behind the eyes. 

 This species is found in the eastern part of the United States. 



Fig. 146. Rana catesbeiana, the bullfrog. (Courtesy of A. A. and A. H. Wright.) 



The Javan flying frogs {Rhacophorus pardalis) have extremely- 

 large webbed feet by which they plane from branch to branch. 



Studies made at the Biological Station in Dominica (Caribbean 

 Sea) show that a frog {Eleutherodactylus martinicensis), but one 



Fig. 147. Rana clamitans, the green frog, male. (Photo by A. A. and A. H. Wright.) 



inch long at maturity, deposits its eggs in small groups on wet forest 

 mould. The eggs are large enough to be mistaken for those of a 

 salamander (one-fourth of an inch in diameter). Tadpoles pass 

 through the ordinary gilled stage and develop in a short time, with- 



