May, 1919] Silurian Fossils From Ohio 369 



Fauna of Bisher Member of West Union Formation. 



Cornulites dintoni Hall; Crooked Creek, West Union, Glen Springs. 



Chasmatopvra angulata (Hall); West Union. 



Clathropora Jrondosa Hall; West Union, Glen Springs. 



Pholidops subelliptica Savage; Sinking Springs. 



Orthis flahellites Foerste; Port William. 



DalmaneUa eJegantula (Dalman) ; Port William, Peebles, Harin Hill. 



Rkipidomella hybrida (Sowerby); Port William, Hillsboro, Danville. 



Rhipidomella magnicardinalis Foerste ( = hybrida?) ; Peebles, West Union, 



Glen Springs. 

 Platystrophia daytonensis Foerste; Port William. 

 Platystrophia pauciplicata Foerste; West Union. 

 Leptaena rhomboidalis (Wilckens); Port William, Hillsboro, Danville, 



Crooked Creek, West Union, Martins, Harin Hill, Glen Springs. 

 Plectambonites transversalis (Wahlenberg) ; Danville. 

 Schuchertella confertus Foerste; Port William, Danville, Martins. 

 SchucherteUa prosseri Foerste; Port William, Hillsboro, Danville, 



Peebles. 

 Slropheodonta {Br achy prion) plana Foerste; Port William, Danville, 



Sinking Springs, Crooked Creek, Peebles, West Union, Martins, 



Harin Hill. 

 Slropheodonta {Brachy prion) plana Foerste, broad variety; Danville. 

 Camarotoechia acinus siibrhomboidea Foerste; Danville, Martins. 

 Camarotoechia neglecla (Hall) ; Peebles, West Union. 

 Camarotoechia pisa (Hall and Whitfield) ; Danville, Peebles, Martins. 

 Camarotoechia roadsi Foerste; Hillsboro, Crooked Creek. 

 Camarotoechia cf. stricklandi; Port William, Peebles. 

 Rhynchotreta cuneata americana (Hall); Peebles, West Union, Carrs, 



Glen Springs. 

 Atrypa reticularis elongata Foerste; Port William, Hillsboro, Danville, 



West Union. 

 Atrypa rugosa Hall; West Union, Glen Springs. 



Trematospira camura pauciplicata Foerste (= Atrypa?); West Union. 

 Spirifer eudora Hall; West Union. 

 Spirifer harinensis Foerste; Harin Hill. 

 Spirifer nanus Foerste; West Union, Glen Springs. 

 Spirifer niagarensis (Conrad.) ( = repertus Foerste?); Port William, 



Danville, Peebles, West Union, Harin Hill. 

 Spirifer radiatus Sowerby; Port William, Hillsboro, Danville, West 



Union, Martins. 

 Spirifer radiatus obsoletus Foerste; Glen Springs. 

 Cyrtia myrtia (Billings); West Union. 



Whitfield ell a cylindrica Hall; Port William, Hillsboro, Danville. 

 Whitfieldella, form from which cylindrica is a derivative; Peebles, West 



Union, Harin Hill, Glen Springs. 

 Diaphorostoma cliftonense Foerste; Martins. 

 Diaphorostoma niagarense (Hall); Port William, Hillsboro, Danville, 



Peebles, West Union. 



