NORTH AMERICAN CONCHOLOGY. 



69 



Pa. PI. Fig. 



Name. Locality. 



crassula Dillw. ? 

 Physa aurea Lea. 



fontana Hald. 

 ancillaria Say. 



P. Sayii Tappan. 

 osculans Hald. 



Bulla fontinalis Ckem. ? 

 concolor Hald. 

 fragilis Mighels. 

 gyrina Say. 



P. elliptica Lea. 

 integra Hald. 

 scalaris Jay. 

 distorta Hald. 

 hypnorum Lin. 

 P. elongaia Say. 

 Aplexa hypnorum Gray, &c 

 globosa Hald. 



Physella globosa Hald. 

 microstoma Hald. 



Physodon microstoma Hald. 

 P. striata and P. subarata Mice. =P. heterostropha? 

 Melania cruentata Mice. = Anculosa preerosa Say. 

 livescens Mke., curta Mke., anijasciata Mke. = M. Vir- 



ginica. 

 Warderiana Lea = M. simplex Say. 

 acuto-carinata Lea = M. simplex Say. 

 Hildrcthiana Lea = M. obovata Say. 

 globula Lea = M. subglobosa Say. 

 virgata Lea = M. subglobosa Say. 

 Cincinnatensis Lea = Anculosa preerosa Say. 

 Anculosa dentata Lea = A. dentata Couthouy. 

 Melania catenaria Lea (name preoc.) 

 Lymnea fusiformis Lea (name preoc.) 

 Io tenebrosa Lea = Fusus fluviatilis Say. 

 Melania Kirtlandiana Lea = M. exilis Hald. 

 Paludina angulata Lea \ 



coosdensis Lea >■ = P. magnifica Conr. 



bimonilifera Lea J 



Del. and Conn, rivers. 



Mexico ? India ? 



Oregon. 



Maine. 



Mo., Ind., Ohio, Ver't, 



Georgia. 

 Indiana. 

 Florida. 

 Mo., Ohio, Ky. 

 Mass.,Vt.,N.Y.,West. 



States, Oregon. 



Nolackucky river. 

 Kentucky, Ohio. 



No. VII.— January, 1844. 



6 i 1-6 Planorbis bicarinatus Say. N. Engl. toGa., N. W. 



Helix angulatus Rackett. Terr, to Tenn. 



P. engonafus Conr. 

 Helisoma bicarinata Swainson. 



