18 CATALOGUE OF THE 



*Strophomena rhomboidalis, var. gibbosa, James. 

 j^fStrophomena squanmla, James. 

 *.3trophomena tenuistriata, Sowerby. 

 Strophomena tenuilineata, Conrad. 

 *Strophomena ulrichi, James. 

 Trematis crassipuncta, Ulrich. 

 Trematis dyeri, S. A. Miller. 

 Trematis magna, Ulrich. 

 LJtTrematis millepunctata, Hall. 

 *Trematis punctostriata, Hall. 

 Trematis quincuncialis, Miller & Dyer. 

 Trematospira granulifera, Nicholson. 

 ^Trematospira quadriplicata, S. A. Miller. 

 Trematospira (?) similis, Ulrich. 

 t^-Zygospira cincinnatiensis, James. 

 L-^Zygospira concentrica, Ulrich. 

 tJtZygospira headi, Billings. 

 i^JtZygospira modesta, Say. 

 *Zygospira modesta, var. kentuckyensis, James. 



MOLLUSCS. 



Class GASTEROPODA. 



L-Bellerophon bilobatus, Sowerby. 



Bellerophon capax, Ulrich. 



Bellerophon mohri, S. A. Miller. 



Bellerophon morrowensis, Miller & Dyer. 



Bucania costata, James. 

 l^ Bucania expansa, Hall. 



Carinaropsis patelliformis, Hall. 

 ^JtCyclonema bilix, Hall. 



Cyclonema conicum, S. A. Miller. 



*Cyclonema fluctuatum, James. 



