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KANSAS UNIVERSITY SCIENCE BULLETIN. 



The fossils of these horizons are here grouped in a single 

 list. 



Crinoid sp. 

 Archaeocidaris sp. 

 Fenestella limbata Foerste. 

 Rhombopora sp., a. 

 Septopora biserialis (Swallow), c. 

 Stenopora carbonaria (Worthen), c. 

 Streblotrypa prisca (Gabb and Horn) . 

 Thamniscus octonarius Ulrich, c. 

 Spirorbis sp., a. 

 Chonetes granulifer Owen, aa. 

 Derbya sp. 



Meekella striaticostata (McChes- 

 ney). 



Productus nebrascensis Owen. 



semireticulatus (Martin). 

 Seminula argentea (Shepard). 

 Aviculopecten occidentalis Shumard, 

 c. 



Pelecypod sp. 



Pseudomonotis hawni ( Meek and 

 Worthen) . 



Aclis ? sp. 



Bellerophon sp. 



Gastropod, several species. 



Griffithides scitula ( Meek and Wor- 

 then) . 



