TERTIARY ANIMALS. 



523 



of the Tertiary the mammalian fauna change completely many 

 times. 



The Tertiary mammals are of so great interest, from the evolution 

 point of view, that we must dwell upon them somewhat in detail. But 



Fig. 890.— Tapir us ludicus. 



it seems impossible to present selections from the immense mass of 

 material at hand in an interesting manner, except by taking a few clas- 

 sic localities from different epochs and different countries, and briefly 

 describing what has been found in each. We will commence with 

 some foreign localities, because these were first discovered : 



1. Eocene Basin of Paris. — This basin has been made celebrated by 

 the labors of the immortal Cuvier. The discovery in the early portion 

 of the present century of the rich treasures imbedded in the strata of 



after Gaudry). 



this basin, and the consummate skill with which they were worked up 

 by Cuvier, gave an incredible impulse to geology. Fifty species of 

 mammals, of which forty species were tapir-like ; ten species of birds, 



