FOSSILS OF THE CINCINNATI GROUP. 23 



Modiolopsis faba, Conrad. 



Modiolopsis modioliformis, Meek & Worthen. 

 *Modiolopsis modiolaris, Conrad. 



Modiolopsis nasuta, Conrad. 

 *Modiolopsis pholadiformis, Foster & Whitney. 



Modiolopsis spatulata, James. 



Modiolopsis terminalis, Hall. 

 , *Modiolopsis truncata. Hall. 



Modiolopsis versaillesensis, S. A. Miller. 



Kuculites yoldiaformis, Ulrich. 



Orthodesma byrnesi, S. A. Miller. 



Orthodesma cancellation, Ulrich. 

 ^Orthodesma (Orthonota) contractum, Hall. 



Orthodesma cuneiforme, S. A. Miller. 



Orthodesma curvatum, Hall & Whitfield. 



Orthodesma intermedium, Ulrich. 



Orthodesma mickleboroughi, Whitfield. 

 _j*Orthodesma (Orthonata) parallelum, Hall. 



Orthodesma occidentale. S. A. Miller. 



Orthodesma rectum, Hall & Whitfield. 



Orthodesma subovale, Ulrich. 



Orthonota pholadis, Conrad. 



Pterinea bellilineata, Billings. 

 *Pterinea (Avicula) corrugata, James. 

 *Pterinea (Avicula) demissa, Conrad. 

 1 *Pterinea (Avicula) insueta, Conrad. 



Pterinea (Avicula) mtfcronata, Ulrich. 



Pterinea subquadrat^, James. 



Pterinea ( Avicula) ^elchi, James. 



Sedgwickia compressa, Meek. 



Sedgwickia divar/cata, Hall and Whitfield. 



Sedgwickia fragilis, Meek. 



Sedgwickia luni 



Aata, Whitfield. 



Sedgwickia (?) rieglecta, Meek. 

 Tellinomya cincinnatiensis, Hall. 

 Tellinomya cin^'ulata, Ulricfe. 

 Tellinomya gibbosa, Hall. 



