Animals Before Man 



see how, starting with such teeth as they did 

 possess, a few changes would lead to such 

 grinders as those of the deer. 



The hoofed quadrupeds were represented 

 by animals something like tapirs, though this 

 gives a very vague idea of their appearance, and 

 named, from the character of their foot- joints, 

 Condylarthra. One of the best known and 



Phenacodus, a typical Eocene mammal. (After Osborn.) 



most characteristic of these animals is that 

 oined by Professor Cope Phenacodus, or de- 

 ceptive-toothed, because while the grinding 

 teeth suggest those of a small hog-like beast, the 

 creature itself was quite different, presenting, as 

 a generalized animal should, a combination of 

 characters. Several species of this genus are 

 known of varying size and build, but the largest, 



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