go Cincinnati Society of Natural History. 
BRACHIOPODA. 
Crania lezlia Hall. 
“<- scabiosa Hall, (ce) 
Hebertella occidentalis Hall. 
a sinuata Hall. 
Platystrophia laticostata (James- 
Meek), varieties. 
Rafinesquina alternata .Conrad - 
Emmons. (c) 
Rhynchotrema capax (Conrad).(c) 
Trematis millepunctata Hall. 
Zygospira modesta Say-Hall. 
PELECYPODA. 
Byssonychia radiata (Hall). (c) 
Ctenodonta obliqua (Hall). 
Ctenodonta recurva Ulrich. 
Pterinea demissa Conrad. (c) 
~ GASTROPODA. 
Coleolus iowensis James. 
Conularia formosa Millerand Dyer. 
Cyclonema bilix (Conrad). 
ws bilix-fluctuatum James. 
Cyclora depressa Ulrich. 
3 hoffinanni Miller. 
a minuta Hall. (c) 
Cyclora parvula (Hall). 
Hyolithes parviusculus Hall. 
Lophospira bowdeni Safford. (c) 
4 tropidophora (Meek): 
Microceras inornatum Hall. (c) 
Protowarthia cancellata (Hall). (c) 
Schizolopha moorei Ulrich. 
CEPHALOPODA. 
Cameroceras sp. (proteiforme Hall ?). 
VERMES. 
Cornulites sterlingensis (Meek and Worthen). 
Nereidavus varians Grinnell. 
CRUSTACEA. 
Aparchites minutissimus (Hall). 
Asaphus gigas DeKay. 
as maximus Locke. 
Bollia persuleata Ulrich. (c) 
Bythocypris cylindrica (Hall). 
Calymmene callicephala Green. 
(c) 
Ulrichia nodosa (Ulrich). (c) 
POSITION UNCERTAIN. 
Arthraria biclavata Miller. 
Bythotrephis gracilis Hall. 
a gracilis-crassa Hall. 
Pasceolus globosus Billings. 
Rusophycus bilobatum Vanuxem. 
Lower Richmond Fauna. 
In addition to the species in the foregoing list, the follow- 
ing occur in the lower Richmond: 
SPONGLA. 
Brachiospongiatuberculata Jamies. 
Dystactospongia minima Ulrich. 
Hindia spheeroidalis-parva Ulrich. 
42 
