FOSSILS OF THE CINCINNATI GROUP. 19 



Cyclonema (Holopea) minor, James. 



Cyclonema montrealensis, Billings. 



Cyclonema percarinatum, Hall. 

 L_Cyclonema phaedra, Billings. 

 ^Cyclonema pyramidatum, James. 



Cyclonema transversum, Ulrich. 



Cyclonema varicosum, Hall. 



Cyclora depressa, Ulrich. 



Cyclora hoffmani, S. A. Miller. 



Cyclora minuta, Hall. 



Cyclora parvula, Hall. 

 u^Cyrtolites carinatus, S. A. Miller. 



Cyrtolites compressus, Conrad. 



Cyrtolites costatus, James. 



Cyrtolites dyeri, Hall. 



Cyrtolites elegans, S. A. Miller. 



Cyrtolites magnus, S. A. Miller. 



Cyrtolites nitidulus, Ulrich. 

 LjK^yrtolites ornatus, Conrad. 

 *Fusispira subfusiformis, Hall. 



Fusispira terebriformis, Hall. 



Holopea obliqua, HalL 



Holopea paludinaformis, Hall. 



Microceras inornaturn, Hall. 



Microceras minutissimum, Ulrich. 



Murchisonia angustata, Hall. 



Murchisonia angustina, Billings. 

 f_j*Murchieonia bellacincta, Hall. 



Murchisonia decurta, Hall. 

 /_j*Murchisonia gracilis, Hall. 

 LJtMurchisonia milleri, Hall. 



Murchisonia multigruma, S. A. Miller. 



*Murchisonia perangulata, Hall. 



*Murchisonia simulatrix, Billings. 



Murchisonia sumnerensis, Safford. 



Murchisonia uniangulata, Hall. 



Ophileta levata (?) Vanuxem. 



