U. S. B. F. — Doc. 



PLATE XVII. 



FIG. 1.— COMMON TOAD EGG STRINGS CURLED ABOUT VEGETAT 

 (After Wright, Carnegie Publ. No. 197.) 



ION. 



FIG. 2.— THE STALKED EGGS OF THE DESERT 

 TREE TOAD ('). 



\%:* 



FIG. 3.— AN EGG AREA OF THE PICKEREL FROG AND TWO MATED 

 PAIRS; EGG MASSES ATTACHED TO VEGETATION AND STICKS ON 

 THE BOTTOM. 



(After Wright, Carnegie Publ. No. 197.) 



