THE AGE DP MAMMAL =: 



western' lA°^V'p.°c..'r"'>'^^ ano^uat/Th.^v^ ^ 

 WESTERN LAKE BASINS and CHARACTERISTIC MAMMALS' 



"•KEARLV 12000 Ft£T, HEQUIRING PBOB.IiJ 



HE St!) MENts OF 



"HE ANIMALS 



UITED THE LAKE REGION 



S OF 

 - - ED *t, 



G THUS 



tii\ir\( iimsiii 



ELEPHANTS. LAST'MAST'innN'Q ' 



M«rODON5.TBUt MWKSS RHIMOCIROSES 



lASIOREDOOKIS CJKtlS Tnmc tOfO MOUSES 

 DEER. FIRST .PDOIIO HDRH ANTtLOPtS 

 JJj,1£ «tl««l£SS RHIHOCt HOSES l«OCnn!l.l!>aiu 



HOBNLfSS .no miN HODNEO BHIHOCKOSES 

 LAST ElOTHERES oreooonts 



1000 PRIMITIVE CAMELS PRIMITIVE DEER 

 BOOCMTS OOGS. WOLVES FOXES Hi) 

 CATS SABRE TOOTM TIGERS' 



HVOPOTAMIOS.PBOtOCERAS >■■• 



l«ST CRfoDOKTS 00CS.MC«I5i»r>i>i 



ELOTHERES, cunsoBui umiiotfiio't'S ;> 



FIBST THHES lOEU HORSES WtSOMIPI'uii 



SWIMMIKG RHINOCEROSES lAMyNOODHTSi 

 LAST IITAKOIHEHES. obeodonts ..,«a. 

 FIRST TRUE HORNLESS RHINOCEROSES 



PRIMITIVE RHIHOCEROSESiiaAMyNODONTi 

 TITANOTHERES ELOTHERES creooonts 



s TAPIRS 

 ROOtNTS 



LAST UINTATHERES cot l,« lmoocfs .i^ 



UINTATHERES. 

 TITANOTHERES ,i 



PRIMITIVE RHIKOCEROSES (MVRACHVUSI 

 FIRST ELOTHERES lACHCNOOON) 

 LARGE CREODONTS IMESONVX 



CAT iiic nmiwus'^ KnuiiE wiascKMins 



ANTIOMCTYLS NOMACOIHIM) 



DIVISIONS OF THE AGE OF MAMMALS 

 Characteristic fossil mammals, and the geological formations m which they are found 



13 



