FRANKLIN COUNTY. 
Strophodenta sub-demissa, Hall. 
a Pattersoni, Hall. 
GH perplana, Conr. (S. fragilis, Hall.) 
a inequistriata, Conr. 
GENUS STREPTORHYNCHUS. King. 
Streptorhynchus Chemungensis, Conr.; var Pandora, Bill. 
GENUS PRODUCTELLA. Halli, 
Productella spinulicostae, Hall. 
GENUS CHONETES. Fisch. 
Chonetes laticosta, Hall. 
GENUS DiscinA. Lamarck. 
Discina. sp. ? 
GENUS LINGULA. Bruguiéres. 
Lingula Manni, Hall. 
LAMELLIBRANCHS. — 
(Bivalve shells.) 
if : 
GENUS AVICULOPECTEN. McCoy. 
Aviculopecten parilis, Conr. 
GENUS PTERINEA. Goldfuss, 
Pterinea fiabella. 
GENUS CONOCARDIUM. Brown. 
Conocardium trigonale, Hall. 
us Ohioense, Meek. 
a sp. (undescribed ) 
GENUS PaRACYCLAS, 
Paracyclas Ohioensis, Meek. 
elliptica, Hall. 
$e occidentalis, H. and W. 
: GENUS SOLEMYA. Lamarck, — 
Solemya vetusia, Meek. 
GENUS MYTILARCA. 
Mytilarca ponderosa, H. and W. 
GENUS CLINOPISTHA. Meek and Worthen. 
Chinopistha antiqua, Meek. 
GENUS SANGUINOLITES. McCoy. 
Sanguinolites Sanduskyensis, Meek. 
GENUS XENOPHORA. Fischer, 
Aenophora antiqua, Meek, 
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