FOSSILS OF THE CINCINNATI GROUP. 17 



i_^*Orthis plicatella, Hall. 

 Orthis pumila, Ulrich. 

 *Orthis retrorsa, Salter. 

 Orthis (Zygospira ?) sectostriata, Ulrich. 

 ^JK)rthis sinuata, Hall. 



Orthis subelegantula, Ulrich. 

 \ *Orthis subquadrata, Hall. 

 L^Orthis testudinaria, Dalman. 



*Orthris teatudinaria, var. jugosa, James. 

 Orthis tricenaria, Conrad. 

 j_J!)rthis triplicatella, Meek. 



*Pholidops cincinnatiensis, Hall. 

 '1^*Rhynchonella capax, Conrad. 



*Rhynchonella capax, var. perlamellosa, Whitfield. 

 t ^Rhynchonella dentata, Hall. 

 L *$chizocrania filosa, Hall. 



Streptorhynchus approximatus, James. 

 LJfcStreptorhynchus elongatus, James. 

 Streptorhynchus filitextus, Hall. 

 Streptorhynchus hallianus, S. A. Miller. 

 ^Streptorhynchus neglectus, James. 

 *Streptorhynchus nutans, James. 



I *Streptorhynchus planoconvexus, Hall. 



j^JStreptorhynchus sinuatus, Emmons. 



*Streptorhynchus subtentus, Conrad. ~ 

 i__fStreptorhynchus subtentus, var. planumbonus, Hall 

 ^JtStreptorhynchus sulcatus, Verneuil. 



^Streptorhynchus vetustus, James. 

 t_*Strophomena alternata, Conrad. 

 ^Strophomena alternata, var. alternistriata, Hall. 

 Strophomena alternata, var. loxorhytis, Meek. 

 ^JtStrophomena alternata, var. nasuta, Conrad. 

 Strophomena camerata, Conrad. 

 Strophomena declivis, James. 

 Strophomena fracta, Meek. 

 Strophomena philomela, Billings. 

 *Strophomena rhomboidalis, Wilckens. . 

 trWUa K^-t^ft^^^^^ 



