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THE WORLD OF LIFE 



An allied family, Oreodontidse, somewhat nearer to rumi- 

 nants, but with four-toed feet, were very abundant in Xorth 

 America in Miocene times. They were remotely allied to 



deer and camels, and were called by Dr. L-eidy " ruminating 

 hogs." They seem to have occupied the place of all these 



