MOLLUSCA OF OHIO. 385 
Campeloma rufum | (Haldeman, Paludina). 
Canal at Columbus (Call); Summit and Tuscarawas Coun- 
ties (St.). Sandusky River (St.). Possibly not distinct 
from integrum. 
Lioplax subcarinatus (Say, Paludina). 
Ohio River; Lake Erie,—tributaries? 
STREPOMATID& (Pleuroceride). 
Pleurocera canaliculatum (Say, Melania). 
Ohio River; Tuscarawas River, rare (St.). 
Pleurocera elevatum (Say, Mel ania). 
Ohio,” 
Pleurocera undulatum (Say, Melania), = monilijerum Lea? 
Ohio River. 
Pleurocera neglectum, Anthony. 
Ohio River at Cincinnati; Great Miami River, Ohio Canal at 
Circleville (Walker) 
Pleurocera labiatum Lea (= var. of neglectum?). 
Cincinnati; Scioto River. 
Pleurocera conicum (Say, Melania). 
Cincinnati. 
Pleurocera subulare (Lea, Melania). 
Lake Erie, common. 
Other psecies listed from Ohio: 
Pleurocera eli pticum Anthony. 
Pleurocera pallidum Lea. 
Pleurocera simplex Say. 
Pleurocera troosti Lea. 
Goniobasis livescens (Menke, Melania). 
Over the state, common and variable 
Goniobasis livescens depygis Say. 
Over the state. Seems inseparably connected with livescens, 
eee, extreme forms of the two are very different; 
g. in the Tuscarawas River all possible intermediate 
ee are found together—abundant. 
Goniobasis semicarinata (Say, Melania). 
Cincinnati; Rocky River (Allen). 
Goniobasis vicina Anthony. 
“Ohio’’ (Walker.) 
Goniobasis pulchella Anthony. 
Cincinnati; Little Miami River (Walker). 
Goniobasis gracilior Anthony. 
Kent, Portage Co., Springfield Lake (Walker); Ohio Canal 
and Tuscarawas River at New Philadelphia (St., t. 
Simpson). 
Goniobasis elata Anthony. 
Elyria, Vermilion River (Walker) 
