266 



ClidaSTES STENOPS, Cope. Plates XIV, tigs. 4, 5; XVII, figs. 7, 8: XVIII, tigs. 

 1-5 ; XXXVl, lig. i ; XXX VII, tig. 3; XXXVIII, tig. 3. 



Edcatosauru8 slenops,}. c, llaydcn'a Anuw.\\ litiiwrl of tbo Uuituil Status Goological Survey, 

 1871, p. 330. 



Niobrara Cretaceous; of the Smoky Hill River. 

 Clidastes eex. Marsh. 



Aiuericau Jourual of Scicuco aud Arts, 1072, Jimc. 



Niobrara Cretaceous of Suioky Hill River. 

 Clidastes affinis, Leidy. 



Koiiort of tUo United States Geological Sui'voy of tlm Territories, I, p. 2H1 , Table XXXIV, iigs. 

 6-'J aud 11. 



Niobrara Cretaceous of Smoky Hill River. 



ni. Dorsal vertebra, with depressed eentra.: froiita/ hones unknown: 

 Clidastes dispar, Marsh. 



EdestoSMiriis dispar, Marsh, Auicricau Journal of Science aud Arts, 1871, Juno. 



Niobrara Cretaceous of the Smoky Hill River. 

 Clidastes velox, Marsh. 



L. c. (Edusloaaurua). 



Niobrara Cretaceous of the Smoky Hill River. 



Clidastes vymanii, Marsh, I. c. 



Niobrara Cretaceous of the Smoky Hill River, Western Kansas. 



Clidastes pumilus, Marsh, I. c. 



Niobrara Cretaceous of the Smoky Hill River. 



Clidastes iguanavus, Cope. 



Proceedings of tbe Acadeuiy of Philadelpliia, ISUy, p. 223; Extinct Datracbia aud Keptilia 

 of North America, 1S7(I, p. 220, Plate V, lig. 3. 



Greensand, No. 4, of New Jersey. 



IV. Centra of dorsal vertebrts compressed: 



Clidastes cinekiakum, Cope. Plate XXI, tigs. 11-17. 



Proccediugs of the Auiericau Philosophical Society, 1870, 583. 



Niobrara Cretaceous of the Smoky Hill River. 



