27U 



Enchodus suumakuii, Lcidv. 



Proceedings of tlic AcaJciiiy of Natiinil SciciicTS, riiilaclfl|)liiii, ISSCi, 'ifiT ; Hepoit, of tlio 

 United States Geological Survey of the Tenitories, I, 1871!, 'iStt, Tabic XVII, fig. 20. 



Sage Crci.'k, Dakota. 



p:mp(), Copo. 



Proceedings of the American I'liilusoiiliical Society, 1^72, ]>. 'i47.—('inttjli<lilliiii<, Cojic, /. c, p. 'Mt* (attiibulcd 



to Lcidy, but i:ot liis jicniis), 



Empo NEP.EOLICA, Cope. Plates XLIX, fig. 9; L,lig.<S; Llljig. 1; LIII, lig.s. 3-5. 



Proceedings of tbo Amciican Philosophical Society, 1872, p. 347. — E)Mpo sidcala,Cope,lla,y- 

 den's Bulletin of the United States Geological Survey, No. 2, p. 4(i. — Cii»oHc/i(/i)/.'» swf- 

 calita, Cope, /. c, p. XA. 



Nioltrara fpocli of tin; Smoky Hill, and of Rooks County, Kansas. 

 ICilPO SEMIANCEPS, Copt'. Plate LllI, Hgs. 1, 2, and U-9. 



Ciiiwliclitlijjn scmiiDiccps, Cope, I. c, ji. :!.">!. 



Niobrara eptjcli of the Smoky Hill region, and of Trego and Rooks 

 Counties, Kansas. 



Empo contracta, Cope. Plate LIII, fig.s. 14-17. 



HayiU^u's Bulletin of the United States Geological Survey of the Territories, No. 2, 187'!, p. -Ifi. 



Niobrara Cretaceous of Kansas. 

 Empo merkillii, Cope. Plate LIII, figs. 10-13. 



Jhhl, p. 4li. 



Niolirnra Cretaceous of Kansas. 



STRATODUS, Cope. 



Proceedings of the AuuTican Philosophical Society, 1872, p. 348. 



StraTOUUs Al'lCALIS, Copc. Plate XLIX, ligs. (J-8. 

 r.. (.,p.:!i',i. 

 Nioljnira cpocdi of tlie Smoky Hill River. 



APSOPELIX, Cope. 



Ilaydcn's Annual Report, l-i7(), p. 4.;:!. 



ApSOPELIX SAUKIFORMIS, Cope. Plate XLII. lig. 4. 

 L. c, 1870, 424. 



Rciitnii cpocli ;if lUmker Hill, Kansas. 



