The Geology of Cincinnati. 81 
PELECYPODA. 
Allonychia ovata Ulrich. 
Anomalodonta plicata Ulrich. 
Byssonychia acutirostris Ulrich. 
f imbricata Ulrich. 
nf retrorsa (Miller). 
Ctenodonta pectunculoides (Hall). 
Cuneamya cordiformis Miller. 
if parva Miller. 
Cymatonota pholadis (Conrad). 
ne recta Ulrich. 
Eridonychia apicalis Ulrich. 
cA paucicostata Ulrich. 
Eurymya alata (Ulrich). 
Ischyrodonta unionoides (Meek). 
Lyrodesma grande Ulrich. 
es inornatum Ulrich. 
Modiolodon obtusus Ulrich. 
7; truncatus (Hall). 
Modiolopsis faba Emmons. 
a faberi Miller. 
= longa Miller and Faber. 
‘ milleri Ulrich. 
“ modiolaris (Conrad). 
sf parallela Ulrich. 
Opisthoptera ampla Ulrich. 
Opisthoptera notabilis Ulrich. 
Orthodesmia faberi Miller. 
s nasutum Conrad. 
Orthonotella faberi Miller. 
Physetomya acuminata Ulrich. 
Psiloconcha inornata Ulrich. 
s sinuata Ulrich. 
subovalis (Ulrich). 
Pterinea cincinuatiensis Miller 
and Faber. 
Pterinearugatula Miller and Faber. 
Pyanomya faberi Miller. 
< gibbosa Miller. 
Rhytimya ashmani Miller 
Faber. 
Rhytimya compressa Ulrich. 
Y oehana Ulrich. 
5 producta Ulrich. 
‘ scaphula Miller 
Faber. 
Sedgwickia? compressa Meek. 
s ? fragilis Meek. 
Technophorus faberi Miller. 
= punctostriatus Ul- 
ce 
and 
and 
rich, 
GASTROPODA. 
Bellerophon capax Ulrich. 
Bucanopsis carinifera Ulrich. 
Cyclonema mediale Ulrich. 
a pyramidatum James. 
Clathrospira conica Ulrich and <§ subleve Ulrich. 
Scofield. 4 transversum Ulrich. 
Conradella bellula Ulrich. Lophospira ampla Ulrich. 
Cyclonema inflatum Ulrich. Microceras minutissimum Ulrich. 
s limatum Ulrich. Seelya mundula Ulrich. 
CEPHALOPODA. 
Cyrtoceras conoidale Wetherby. Orthoceras meeki Miller. 
e vallandighami Miller. bs turbidum Hall and 
Orthoceras byrnesi Miller. Whitfield. 
“ 
cincinnatiense Miller. 
VERMES. 
Arabellites aciculatus James. 
eS hindei James. 
Cornulites flexuosus (Hall). 
33 
Cornulites minor Nicholson. 
Walcottia rugosa Miller and Dyer. 
