91 



THE COMMON FKOG. 



[Rana temporaria.) 



Eggs of the common frog. 



This Batrackian (Plate 6, Fig. 1.) is common 

 enougk every wkere in Great Britain for us to dis- 

 pense witk any very lengtkened description. It 

 occurs all over Europe, from tke soutk to tke extreme 

 nortk, being abundant at Nortk Cape, and not un- 

 common in Italy. In Ireland also the frog kas 

 become naturalized, kaving been introduced about 

 tke beginning of tke eigkteentk century. 



Frogs spawn most commonly about tke middle of 

 Marck. A large number of small round opaque 



