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BIBLIOGRAPHY OP 



Say. — 3. The third edition of the same, published in Philadelphia, 

 1819 (vol. iv.), has the following species in addition to those 

 contained in the second edition. A few generic names are 

 changed, the species being in these cases repeated below. 



P. of repr. Name. 



7 Helix labyrinthica Say. 



7 hirsuta Say. 



7 perspectiva Say. 



7 lineata Say. 



7 Polygyra Say (n. g.) 



7 auriculata Say. 



7 avara Say. 



7 septemvolva Say. 



7 Oligyra Say (n. g.) 



7 orbiculata Say. 



56 Planorbis glabratus Say. 

 56 Linmasa columella Say. 



7 Succinea campestris Say. 



7 ovalis Say. 



56 Cyclostoma tricarinata Say. 

 56 Ancylus rivularis Say. 

 56 Faludina limosa Say. 

 56 lapidaria Say. 



47 subcarinata Say. 



(Lymnsea, 1st edition.) 



47 virginica Say. 



(Lymnsea, 1st edition.) 



48 vivipara Linn. 



( Lymnsea, 1st edition.) 



48 dissimilis Say. 



49 decisa Say. 



(Lymnsea, 1st edition.) 

 7 Pupa corticaria Say. 



QOdostomia Say, 1st edition.) 

 7 Polyphemus glans Say. 

 56 Alasmodonta Say (n. g.) 



(Monodonta Say, 1st edition.) 

 56 marginata Say. 



53 undulata Say. 



Monodonta undulata Say, 1st ed. 

 56 Cyrena Carolinensis Bosc. 



Cyclas Carolinensis Bosc. 



Locality. 



Lake Erie. 

 Philadelphia. 



Florida. 

 Florida. 

 Georgia and Florida. 



East Florida. 

 South Carolina. 



Georgia and Florida. 



Delaware river. 



Delaware and Schuylkill. 



Lakes. 



Pennsylvania. 



Georgia, S. C, Florida. 



