UNIV. GEOL. STJRV. OF KANS. 

 1. 



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Vol. IV. Pl. LXI. 



2. 



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TYLOSAUKUS DYSPELOR — 1, 2, X one-third. 





PLATECARPUS CORYPHAEUS — 3, X one-half. 

 CLIDASTES TORTOR — 4, X two-fifths. 



