20 



BIBLIOGRAPHY OF 



'age. 



Ifame. 



Locality. 



9 



Helix thyroideus Say, 



South Carolina. 



9 



ligera. 



Pennsylvania. 



9 



inornatus Say. 



South Carolina. 



9 



perspectiva. 



Pennsylvania. 



9 



tridentata Say. 



Pennsylvania. 





H. trid. var. epliabus Say. 



South Carolina. 



9 



avara Say. 



South Carolina. 



9 



appressa Say. 



Pennsylvania. 



9 



hirsuta. 



Pennsylvania. 



9 



Buppressa Say. 



South Carolina. 



9 



gularis. 



Pennsylvania. 



9 



glaphyra. 



Pennsylvania. 



9 



fuliginosus. 



Pennsylvania. 



10 



profunda Say. 



Pennsylvania. 



10 



concava. 



Pennsylvania. 



10 



Pennsylvanica, 



Pennsylvania. 



10 



solitaria. 



Ohio. 



10 



altemata Say. 



North Carolina. 



10 



Bulimus Tindatus Lam. (var.) 



East Florida. 



10 



' mutilatus Say. 



South Carolina. 



10 



Acliatina glans Lam. 



South Carolina. 



10 



Succinea ovalis Say. 



Pennsylvania. 



10 



obliqua. 



Pennsylvania. 



11 



Piano r bis trivolvis Say. 



Delaware. 



11 



lentils Say. 



South Carolina. 



11 



complanatus. 



Western lakes. 



11 



Physa heterostropha. 



Lehigh river, Penn'a, 



11 



gyrina Say. 



South Carolina. 



11 



Lymncea catascopium. 



Delaware. 



11 



merostoma. 



Near Philadelphia. 



11 



columella. 



Pennsylvania. 



11 



emarginata. 



Maine. 



11 



Melania subularis Lea. 



Niagara river. 



11 



virginea. 



Schuylkill. 



11 



dissimilis. 



Susquehanna. 



11 



canaliculata Say. 



Ohio. 



11 



carinata (new ?) 



Yadkin river, N. C. 



11 



costata (new?) 



Dan river, Virginia. 



11 



dislocata (new?) 



Dan river, Virginia. 



11 ' 



(Anculosa) proerosa Say. 



Ohio. 



11 



(A.) subcarinata. 



Susquehanna. 



11 



conic a Say, 



Ohio. 



11 



Jo fusiformis Lea. 



Fusus Jluviatilis. 



Virginia. 



11 



Pyrena scalariformis Say. 



East Florida. 



