576 



CENOZOIC ERA— AGE OF MAMMALS. 



lived. We will take our first illustrations from Europe, because the 

 remains are more numerous and have been more thoroughly studied 

 there. 



Mammalian remains of this time are found in Europe — 1. In caverns, 

 where in great numbers they have become entombed ; 2. On beaches 



and terraces, where their floating carcasses have become stranded ; 3. 

 In marshes and peat-bogs, where, venturing in search of food, they have 



