382 



ISLAND LIFE. 



[part II. 



We shall now pass on to another class of islands, which, 

 though originally forming parts of continents, were separated 

 from them at very remote epochs. This antiquity is clearly 

 manifested in their existing faunas, which present many pecu- 

 liarities, and offer some most curious problems to the student 

 of distribution. 



