U. S. B. F.— Dec. 888. 



PLATE XV. 







FIGS. 1 TO 3.— FORM OF EGG MASSES. 



1 Egg mass of the swamp cricket frog, several such bunches laid by one feniale ; 

 2 eeg mass or green frog, a surface film among vegetation ; 3. egg masses of 

 ?he|fck^rll frog! globular mass, frequently in tiers. (After Wright. Carnegie 

 Publ. No. 197.) 



