APPENDIX C. 



List of Fossils belonging to the several formations alluded to in the report; 

 arranged according to localities. 



[Note. — This list is not given as exhibiting all the fossils, nor even the 

 most characteristic ones, that are found in the localities named. They were 

 collected in the midst of other occupations, and are gathered together under 

 one head, for the facility of reference, and as probably embracing more^than 

 have been brought together anywhere else.] 



ST. LOUIS, (mo.,) and ALTON, (iLL.) 



Atrypa lingidata, (new.) Subfusiform ; valves nearly equally convex ; in- 

 ferior valve with a longitudinal sinus ; base projecting in the middle, 

 the margin of the projection truncated. St. Louis, and also the^bluff 

 beneath Rockwell, Illinois. 



Delthyris, (new.) ] 



Cypricardites, (new.) I Limestone upon which St. Louis stands, to 



Echinoder^nata^ spines of. j the water-edge. 



Retepora, (undetermined.) J 



COAL FORMATION IN THE VICINITY OF ST. LOUIS. 



Producta lohata. Riviere des Peres ; Charboniere. 



Turbinolia fungites. 



Delthi/ris, (new.) 



Pholadomya elongata, (Morton.) 



Crinoideoe, several species. 



ST. GENEVIEVE, (gABOURI CREEK.) 



Bellerophon hiulcus; converted into red chalcedony. 

 Producta [hemispherica ? Sowerby.) 

 Turbinolia fungites. 



Generally, the same fossils as those of the St. Louis limestone, but 

 mineralized into chalcedony. 



DES MOINES RIVER, ABOUT RACOON FORE. 



Producta punctata, (Sowerby,) and two new species. 

 Producta (undetermined) — large species. 

 Producta Margaritana, (Phillips.) 

 Turbinolia fungites. 



