STRA.T1GRAPHI0 CATALOGUE. 259 



flexuosa, Ulrich. 



tenax, Ulrich. 

 Leiocleaia areneum, Ulrich. 

 Lyropora divergens, Ulrich. 



quincuncialis, Hall. 



subquadrans, Hall. 

 Meekopora approximata, Ulrich. 



clausa (Ulrich). 

 Myalina angulata, Meek & Worthen. 

 Polypora cestriensis, Ulrich. 



corticosa, Ulrich. 



spinulifera, Ulrich. 



tuberculata, Prout. 

 Rhombopora tabulata, Ulrich. 



tenuiratna, Ulrich. 

 Septopora cestriensis, Prout. 

 Sphrogropora parasitica, Ulrich. 

 Stenopora cestriensis, Ulrich. 



meekana, Ulrich. 



tuberculata (Prout). 

 Streblotrypa distincta, Ulrich. 



nicklesi, Ulrich. 

 Thamniecus furcillatus, Ulrich. 



Brachiopods— 



Athyris sublamellosa, Hall. 



subquadrata, Hall. 

 Productus cestriensis, Worthen. 

 Retzia vera. Hall. 

 Spirifera contracta. Meek & Worthen. 



increbescens, Hall. 



leidyi, Norwood & Pratteu. 



setigera. Hall. 

 Spiriferioa spiaosa (Norwood & Pratten). 



Lamellibranchs — 



Allorisma antiqua, Swallow. 



Gasteropods— 



Capulus ovalis ( Stevens ). 



Dentalium missourien^e. Swallow. 



Orthoceras chesterense, Swallow. 



Orthonychia cheaterense ( Meek & Worthen ). 



Sphaerodoma littonana ( Hall ) . 



StraparoUus planidorsatus ( Meek & Worthen ). 



Cephalopods— 



Nautilus spectabilis, Meek & Worthen. 



