CLASS AMPHIBIA. 



303 



FIG. 120. The common toad (Bufo lentiginosus) . Photo by Folsom. 



FIG. 121. Frog (Rand). Photo by Folsom. 



Questions on Figures 120 and 121. What is the round object 

 back of the eye? Compare the figures and note points of similarity 

 and difference. What in their position puts them in readiness for a 

 quick spring? Where do toads lay their eggs? What of the feeding 

 habits of the toad? Where do they spend the winter? 



