240 Neto S2)ecies of Fossils from Oliio. 



M. nasuta, (Conrad.) 



M. scitula, (Hall.) 

 ISTUCLEOSPIEA, Hall. 



N. concinna, Hall. 

 Ateypa, Dalman. 



-.dt. reticidaris, Linn. 

 IIhynchonella, Fischer. 



R. Billinysi, Hall. 



R. Carolina, Hall. 



R. Dolls, %il. 



R. Thetis, Billings. ; 



R.f raricosta, Wliitf. 

 Pentamekella, Hall. 



F. arata. Hall. 

 Terebratula, Schlotheim. 



T. SullivanH, Hall. 

 Tropidoleptus, Hall. 



T. carinatus, Conrad. 

 LA MEL LIBRA NCHIA TA . 

 AvicuLOPECTEJNT, McCoy. 



A. crassicostata, H. and W. 



A. paralis, Conrad. 

 Pterinea, Goldf. 



F. flahella, Conrad ? The specimens referred to 

 this species are very donbtfnlly identified. They 

 are large coarse forms, very unlike any of those 

 in the higher beds. 



Mytilarca, H. and W. 



M. ponderosa, H. and W. 

 ^ M. percarinata, Whitf. 



OoNOCARDiUM, Brown. 



C. trigonale. Hall. C. Oliioense, Meek, is the 

 young of the above. 

 GoKioPHOEA, Phillips. 



G. perangulata, H. and W. 

 Paeacyclas, Hall. 



F. Virata, Conrad. 



P. occidentalis, H. and W. F. OMoensis, Meek, 

 is the same as F. lirata, Conrad. 



