STRATIGEAPHIO CATALOGUE. 267 



Retzia verneuiliana, Hall. 

 Khynchonella ottumwa, White. 

 Spirifera Ifcidyi, Norwood ct Pratten. 



Lamellibranchs— 



Allorisma marionensis, White. 

 Aviculopecten missourlensis (Shumard ). 

 Lithophaga pertenuis, Meek & Worthen. 

 Myalina saneti-ludovici, Worthen, 

 Fiona missouriensis, IS wallow. 



Oasteropods — 



Bulimorpha bulimiformis (Hall ). 

 Bellerophon eubltevis. Hall. 

 Orthonj chia acutirostra ( Hall ). 

 Straparollus spergenensis, Hall. 

 Strophostylus? carleyana (Hall). 

 Conularia missouriensis ?, Swallow, 

 subulata, Hall. 



Vertebrates — 



Asteroptychius saneti-ludovici, St. John & Worthen.. 

 Chomatodus incrassatus, St. John &. Worthen. 

 Cladodus eccentricus, St. John & Worthen. 



elegans, Newberry & Worthen. 



euglyphens, St. John & Worthen. 



iechypus, Newberry & Worthen. 

 Cochliodus obliquus, St. John & Worthen. 



vanhornei, St. John & Worthen. 

 Copodus vanhornei, St. John & Worthen. 

 Ctenacanthus gracillimus, Newberry & Worthen. 



pugiuDculus, St. John & Worthen. 

 Deltodopsia saneti-ludovici, St. John & Worthen. 

 Deltodus ciDctulus, St. John & Worthen. 



parvus, St. John & Worthen. 

 Deltoptychius expansus, St. John & Worthen. 

 Desmiodus costelliformus, St. John & Worthen. 



tumid us, St. .John & Worthen. 

 Drepanacanthus reversus, St. John & Worthen. 

 Erismacanthus maccoyanus, St. John & WorthBn. 

 Oampsacanthus squamosus, St. John & Worthen. 



typus, St. John & Worthen. 

 Geisacanthus stellatus, St. John & Worthen. 

 Lecracanthas unguiculus, St. John & Worthen. 

 Harpacodus occidentalis, St. John & Worthen. 

 Lisgodus selluliformis, St. John & Worthen. 

 Marracanthus rectus (Newbarry & Worthen). 

 Oracanthus consimilis, St. John & Worthen. 



vetustus, Leidy. 

 G— 19 



