FRANKLIJS COUNTy. 623 



Strophodenta sub-d^missa, Hall. 

 " Fattersoni, Hall. 



" perplana, Com. {S.fragilis, HsiU.) 



" inequistriata, Conr. 



Genus Strkptohhynchus. King. 

 Streptorhynclius Chemungensia, Conr. ; var Pandora, Bill. 



GuNUS Pboductella. Hall. 

 Produetella spinulicostae, Hall. 



Genus Ghonktbs. Fisoh. 



Ckonctes latioosta, Hall. 

 Biaeina. sp. ? 

 Lmgula Manni, Hall. 



Genus Discina. Lamarck. 

 Genus Lingula. Braguiferea. 



LAMELLIBEA.NCHS. 

 (Bivalve shells.) 



Genus Aviculopbcten. McCoy. 

 Aviculopecten parilis, Conr. 



Genus Ptekinea. Goldfuss. 

 Ptennea flaiella. 



Genus Conocardium. Brown. 



Conocardium irigonale, Hall. 

 " Ohioense, Meek. 



" sp. (undesoribed ) 



Genus Paracyclas. 

 Paracyclas OMoenaia, Meek. 

 " elliptica, Hall. 



" oceidenialis, H. and W. 



Genus Solemya. Lamarck, 

 Solemya vetusta, Meek. 



Genus Mytllarca. 

 Mytilarea ponderoaa, H. and W. 



Genus Cunopistha. Meek and Worthen. 



Clinopistha antiqua, Meek. 



Genus Sangulnolites. McCoy. 



SanguinoUtes Sanduslcymm, Meek. 



Genus Xbnophora. Fischer. 

 Xenophora antiqua, Meek. 



