B. F. — Doc. 



PLATE XIV. 



FIGS. 1 AND 2.-F0RM OF EGG MASSES. 



1, Egg masses of wood frog, both masses globular; 2, egg mass of the leoparJ 

 frog, mass plinthlike, not globular. (After Wright, Carnetiie Publ. No. 197.) 



