308 Clara Gould Mark 



Bucanopsis marcouana Geinitz 



Bucanopsis montfortiana Norwood and Pratten 



Pleurotomaria hroadheadi White. 



Pleurotomaria sp. 



Euomphalus catilloides Conrad 



Euomphalus sp. 



Loxonema cerithiforme Meek and Worthen 



Bulimorpha inornata Meek and Worthen 



Soleniscus fusiformis Hall 



Soleniscus klipparti Meek 



Conularia sp. 



Nautilus sp. 

 Orthoceras sp. 



Phillipsia major Shuniard 

 PhilUpsia trinudeata Herrick 



Zeocrinus sp. 



Crinoid segments and plates. 



In the naming and arrangement of these fossils Dr. A. W. Gra- 

 bau's Index Fossils and Stuart Weller's Bibliographic Index of 

 North American Carboniferous Invertebrates have been followed. 



PLATE VIII 



1. Glossina ivaverlyerisis Herrick, Limestone Hollow, Flint Ridge. 



2. Orbiculoidea convexa (Shumard), Bald Knob. 



3. Orbiculoidea )7iissouriensis Shumard, Cannel Coal Mine, Flint Ridge. 



4. Orthothetes crassus (Meek and Hayden), Bald Knob. 



5. Chonetes mesolohus Norwood and Pratten, ventral valve, x 2, Cannel Coal 

 Mine, Flint Ridge. 



6. Chonetes mesolohus Norwood and Pratten, dorsal valve, x 2, Cannel Coal 

 Mine, Flint Ridge. 



7. Productus longispinus Sowerby, Limestone Hollow, Flint Ridge. 



8. Spiriferina kentuckiensis (Shumard), Bald Knob. 



9. Spirifer camaratus Morton, Somerset. 



10. Spirifer rockymontanus Marcou, Somerset. 



11. Reticularia perplexa (McChesney) Bald Knob. 



12. Semimda argentea (Shepard), ventral valve, Cannel Coal Mine, Flint Ridge. 



13. Seminula argentea (Shepard), dorsal view. Limestone Hollow, Flint Ridge. 



14. Soleniscus klipparti Meek, Limestone Hollow, Flint Ridge. 



