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THE COMMON TOAD. 



Skull of Common Toad (enlarged). 



ONLY a small proportion of the European 

 species of frogs are found in Britain; whilst 

 of three toads, two are indigenous to these 

 islands. Some have even doubted whether two 

 of these species (J5. viridis and B. calamita) 

 are not varieties of the same. If this be the 

 case, all the European toads are British. We 

 think, however, that the two just named are 

 really distinct, and that the green toad (Bufo 

 viridis) is, therefore, a stranger and an alien. 



The common toad is found all over Europe, 

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