?£ A t^ s ti m 



Ih 



?L 





5 





5^ ^^ Hs^racidae 

 ^^^ ^ 4i -^ *:!1 J:|:iR> Amblypoda 

 ^531^ >^^^ Proboscidea 



H^^Si^ Pinotheriidae 

 IH^H^'^ Elcpbaiitidae 

 gzr^ ^^^^^ Tilodoiitia , 



SS-VDH' gSS^^ Roclentia 

 ^^^ ?9l"'^f!S Simplicidentata 

 ^ ] '' Aiionialuridae 



I^ ]\^ Sciuridae 

 ^ ]]]^ ITaplodontidae 

 ^ gj' Iscbyromyidae 

 ^ }f\^ Castoridae 

 H? J<^ iSIyoxidae 

 [iT .\^'' Lopbiomyidae 

 H; r::'/ jNIiiridae 

 [i? .^■'j^^Spalacidae 

 jT? -^^ Geomyidae 

 ^^ ] ^ Dipodidae 

 ^j|_] 1^ Tberidomyidae 

 Ii^-|~lir Octodoiitidae 

 ^-j-g'' Castoroididae 

 Ti?^}^'' Hystricidae 

 ^^^<^^ Chincbillidae 

 Ii?-|-AP'' Dinomyidae 

 Ii?4"^^ Caviidae 

 li^-i—^'' Dasyproctida3 





'^SQ^^^^SN'^ 



8^n1> 





-CJ ;<Jii K? '^ ^. N M 





