AMPHIBIA 



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FIG. 192. Frog (Rana). Photo from life by J. W. Folsom. 



Questions on the figure. What is the round object behind the eye? What 

 elements in the resting position of the frog put him in readiness for a quick spnng? 



FIG. 193. 



FIG. 193. The Common Toad (Bufo lentiginosus). Photo from life by Folsom. 



Questions on the figure. Compare with the figure of the frog and note points 

 of external similarity and difference. What do you know of the habits of the toad, 

 as to feeding, egg-laying, etc.? Where do they spend the winter? What of 

 their development? 



