U. 8. GEOLOGICAL SURVEY 



BULLETIN 612 PLATE VJ 



A. 



B. 



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D. 



E. 



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ROCKS OF MIOCENE AGE AND RESTORATIONS OF ANIMALS THAT 



LIVED IN NORTH AMERICA DURING THE MIOCENE EPOCH. 



A, SHORT-LIMBED RHINOCEROS. KNOWN AS TELEOCERAS. AN ANIMAL ABOUT 5 FEET HIGH 

 (AFTER OSBORN); B, (a) MIOCENE MASTODON (TRILOPHODON PRODUCTUS i AND {h) PLEIS- 

 TOCENE ELEPHANT ^ELEPHAS IMPERATOR). AN ANIMAL NEARLY 15 FEET HIGH (AFTER 

 OSBORN); T, MOROPUS ELASTUS, AN ANIMAL SOMEWHAT LARGER THAN THE MODERN HORSE 

 (AFTER SCOTT); 7), A FOUR-HORNED DEER (SYNDYOCERAS COOKI), ABOUT THE SIZE OF 

 THE MODERN DEER (AFTER SCOTT^; E, GIGANTIC GIRAFFE-CAMEL (ALTlCAMELUS ALTUS). 

 ABOUT 15 FEET HIGH (AFTER SCOTT); Fy MIOCENE BEDS (^ARIKAREE FORMATION) RESTING 

 UNCONFORMABLY ON OLIGOCENE BEDS fBRULE CLAY',. IN PAWNEE BUTTE5, COLO. 



A-E Duh]\sy^&6 bv oerpn'ss'on of The M3cml"an Co. 



