U. S. G.oological Survey of the Territories 



Plate X.V" 



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N njk 







5& 



T. SINCLAIR & SON, PHILADELPHIA 



1-5 BAENA ARENOSA, >^ 

 6. BAPTEMYS. >:^. 

 7 TESTUDO CORSON] ;^ 

 9. HYBEMYS. 



10 STYLEMYS yi 



11- IS. NOTHOSAUROPS. 



14 15. SANIVA 



16-18 ANTRODEMtrS. }4 



