24 LECTURE Vir. 



and no longer feeds on vegetable but on animal 

 food, preying on the smaller kind of insects and 

 worms. It does not arrive at its full size till at 

 least five years old, and is supposed to live about 

 fifteen. 



The Frog which is so frequently eaten in 

 many parts of the Continent is a different species, 

 rather larger and of a greener colour, spotted 

 with black, and with two pale yellow lines down 

 the back. Those however who collect the Frogs 

 for the purpose of the table are known not to be 

 very scrupulous in their choice, and it is acknow- 

 ledged that not only Common Frogs but even 

 Toads also are often intermixed with the green 

 ones. 



Such animals of this genus as are of a heavier 

 or thicker form than the rest, with shorter limbs, 

 and which rather crawl than spring, are called 

 Toads. Of these the Rana Biifo or Common 

 Toad is the principal European species. Its 

 changes are similar to those of the Frog, but 

 the eggs from which its tadpoles proceed are not 

 deposited in the form of clustered heaps, but in 

 that of long double strings, bearing the appear 

 ance of so many necklaces. The Common Toad 



