68 Bulletin 12 196 



Spirifer depressus Her. ? 



Brownstown, Low Gap Ridge, and Bar- 

 tel, Ind. 



Spiriferina solidirostris White 



Abundant. Crothersville, Ind. 



Spiriferina subelliptica (McChesne}')... 



Common. Riley's, Brooks, and Crab 

 Orchard, Ky. 



Streptorhynchus pecftinaceum Hall 



New Albany (Hall). 



^Stropheodonta conca va Hall x 



Rare. Charlestown and Sellersburg, 

 Ind. 



*Stropheodonta demissa Conrad (Con.)....., x 



Common. Charlestown (Nettleroth), 

 Lexington, Watson, Scipio, Lancaster, 

 Falls of the Ohio, North Vernon, Bear 

 Grass creek, Sellersburg, Paris Crossing, 

 Kent. 



*Stropheodonta hemispherica Hall .- x 



Common. Falls of the Ohio (Hall), 

 Clark county, Sellersburg, Lancaster, 

 Charlestown, Lexington, North Vernon, 

 Watson, Kent, Bear Grass creek. 



*Stropheodonta inequistriata (Conrad) x 



Rare. Falls of the Ohio (Nettleroth), 

 Bear Grass creek, Charlestown. 



Stropheodonta perplana ( Conrad ) x 



Abundant. Falls of the Ohio (Nettle- 

 roth), Scipio, Lancaster, Kent, North, Ver- 

 non, Watson, Bear Grass creek, Sellers- 

 burg, Charlestown, Paris Crossing, Croth- 

 ersville, Ind., Brooks, Ky. 



Stropheodonta plicata Hall x 



Falls of the Ohio (Nettleroth). 



*Syringothyris carteri (Hall) 



"Knobstone," Washington and Clark 

 counties. 



