169 [ 237 1 



Corals. 



Cyathophyllum ceratites (?). 

 Turbinolopsis, (new.) 

 JPavorites, (new.) 

 Portion of an asterea (?). 



ST. Peter's and falls op 3t. anthont. 



Strophomcna, allied to ^X alternata. 



Sirojj/iomena, (new species.) 



Orlhis tcsludinaria? (Murch. Sil. Sys., pi. 20, fig. 10.) 



Or this poly gramnal (Murch. Sil. Sys., pi. 21, fig. 4.) 



Orthis, (three new species.) 



Stenoscisma, resembling terebratula Schoitheimii, (Dalman.) 



Atrypa, (new species.) 



Pleurotomaria, (new species — numerous.) 



JEuomjjhalus, allied to Maclurites magna, (Des.) 



Ettomphalus, resembling E. sculptus, (Sowerby.) 



Phragmolites, same as the Trenton limestone, N. Y. 



Phragmolites, (new species.) 



Bellerophon bilohatus. 



Orthoceras, (two species, undetermined.) 



Crinoidal remains of peculiar forms ; one resembling lipocrinites. 



Turbinolopsis bina 7 (Silur. Syst., pi. 16 bis, fig. 5.) 



Favorites lycopodon, (Say.) Trenton limestone fossil. 



Favorites, (two new species.) 



Fucoides, (obscure.) 



Oyathophyllum ceratites 7 



Turritella. 



FIVE-BARREL ISLANDS, ON THE MISSOURI. 



Pholadomya elongata, (Morton.) Found in the rubbish. 



Producia lobata. 



Fuomphalus, in the blue slaty limestone. 



Cyathopliyllum vermiculare, of Goldfuss. 



Crinoidece, remains of. 



FOSSILS OF THE CRETACEOUS FORMATION. 



On the Missouri river. 



Inoceramus barabini 7 (Morton.) 

 &al€S of a fish. 



In the calcareous marl. 



Orbictila, imperfect specimen. 

 Ostrea congesta, (Conrad.)* 



d's description of the ostrea congesfn: Elongated; upper ralre flat: lower ralfe 

 , irregralar; the umbo truncated by a mark of adhesion; resembles a little g^ghe*^ 

 Morton. 



♦ Conrad 

 »entricose^ 

 vnter of Morton, 



13 



