SUCCESSIVE MAMMALIAN FAUNAS 



195 



Fig. 113. — Some of the more characteristic Pleistocene mammals, reduced to a uniform 

 scale, with a pointer dog (in the frame) to show relative sizes. — 1. f Columbian 

 Elephant (Elephas fcolumbi). 2. Giant f Ground-Sloth (fMegalonyx jeffersoni). 

 3. t Stag-Moose (fCervalces scotti). -4. fAmerican Mastodon {f Mastodon arncri- 

 canus). 5. fCiant Beaver (fCastoroides ohioensis). 6. t Texas Horse {Equus^ scotti). 

 7. t Sabre-tooth Tiger {^ Smilodon calif or nicus) . 



