OF DENISON UNIVERSITY. 
99 
NAME. 
Streblopteria gracilis 
Pernopecten shumardiana 
Pterinopecten cariniferus 
Pteronites obliquus 
Leptodesma scutella 
Posidonomya fragilis 
Promacra truncata 
Leiopteria ortoni 
Leiopteria halli 
Leiopteria sp 
Leiopteria sp 
Myalina michiganensis 
Modiola waverlyensis 
Schizodus newarkensis 
Schizodus chemungensis 
Schizodus cuneus 
Schizodus medinaensis 
Schizodus palaeoneiliformis__, 
Orthonola rectidorsalis 
Prothyris meeki 
Sanguinolites senilis 
Sanguinolites marshallensis .. 
Sanguinolites unioniformis-- 
Sanguinolites transversus 
Sanguinolites contractus 
Sanguinolites flavius 
Sanguinolites amygdalinus 
Sanguinolites michiganensis- 
Sanguinolites aeolus 
Sanguinolites obliquus 
Sanguinolites naiadiformis 
Allorisma nobilis 
Allorisma cooperi 
Allorisma winchelli 
Allorisma ventricosa 
Allorisma convexa 
Macrodon ? triangularis 
Microdon reservatus 
Gramraysia rhomboides 
Grammysia hannibalensis 
Grammysia venlricosa 
Grammysia ? sp 
Modiomorpha hyalea 
Edmondia depressa 
Edmondia burlingtonensis 
Ctenodonta iowensis 
Ctenodonta Stella 
Ctenodonta houghtoni 
Nuculana spatulata 
Nuculana similis 
Nuculana saccata 
Palaeoneilo elliptica 
Palaeoneilo plicatella 
Palaeoneilo elegantula 
OHIO. 
elsewh’re. 
Michigan, 
New York. 
Michigan. 
Michigan. 
a 
00 
00 
Michigan. 
Michigan. 
Belgium. 
Iowa. 
Michigan. 
Michigan. 
? 
REMARKS. 
sp. n. 
sp. n. 
sp. n. 
sp. n. 
sp. n. 
sp. n. 
sp. n. 
sp. n. 
sp. n. 
sp. n. 
sp. n. 
sp. n. 
sp. n. 
sp. n. 
sp. n. 
sp. n. 
sp. n. 
sp. n. 
sp. n. 
sp. n. 
