254 STRATIGRAPHIC CATALOGUE. 



Bkachiopods— 



Athyris formosa (Swallow). 



incrassatus, Hall. 

 Chonetes logani, Norwood & Pratten. 



illinoisensis, Worthen. 

 OrthisburlingtoDen8ia, Hall. 



swallowi. Hall. 



keokuk, Hall. 

 Rhynchonella boonensis, Shumard. 



mutata, Hall. 



ringeus, Swallow. 



subcuneata, Hall. 



subtrigona, Meek & Worthen. 

 Plectambonites rhomboidalis (Wilckens). 

 Productus biseriatus, Hall. 



burlingtonensis, Hall. 



]8evico8tu«, White. 



magnus, Meek & Worthen. 



vittatus, Hall. 

 Spirifera forbesi, Norwood & Pratten. 



grimes! , Hall. 



imbrex, Hall. 



kelloggi, Swallow. 



keokuk, Hall. 



lineatoides. Swallow. 



logani, Hall. 



pseudolineata, Hall. 



rostellata, Hall. 

 Syringothyris carteri (Hall). 



plena (Hall). 



texta (Hall). 

 Terebratula parva, Swallow. 



rowleyi, Worthen. 



Lamellibranchs — 



Aviculopecten magna (Swallow). 



Chonocardium, sp.? 



Edmondia burlingtonensis, White & Whitfield. 



nuptialis, Winchell. 

 Lithopbaga, sp.? 

 Myalina keokuk, Worthen, 



Gasteropods — 



Bellerophon bilabiatus, White & Whitfield. 

 Capulusbiserialis (Hall). 

 ( quilateralis (Hall). 



