NORTH AMERICAN CONCHOLOGY. 



393 



[Proceedings of the Acad, of Nat. Sci. of Philad., n. s. — continued.'] 



1858. 

 Pa No, 



200 



200 



75 



76 



200 



200 



200 

 200 



200 



200 



200 

 200 



Name. 



200 77 



83 



200 86 

 200 87 



200 88 



200 89 



Helix albolabris Say. 



Helicogena aibolahris Fer. 

 H. rufa De Kay (junior), 

 var. dentata. 

 alternata Say. 



Helicella alternata Fer. 

 H. scabra Lam. 



radiata Gmel. 

 H. infecta Pfr. 



strongylodes Pfr. ? 

 var. 1. albina. 



2. Australia. 



3. carinata (H. mordax 



4. laevigatior. [ah.?) 

 appressa Say. 



H. lingiiifera Lam. 



Helicodonta linguifera Fer. 



var. a Say. 

 arborea Say. 



Helicf.Ua arborea Fer. (ZT. ni 

 Ariadnae P/r. [tidaev&r.) 



H. Couchiana Lea. 

 aspersa MuH. 

 asteriscus Morse. 



II. iniuuiisslma Gld., nee Lea. 

 auriculata (Polyf/yra) Say. 



11. aurirulutu iiiuu. 



Helicodontd auriculata Fer. 

 var. minor Fer. ? Conf H. 

 uvulifera. [IHnn.f 



II. auriculata var. avara 

 avara (Polyrjyra) Say. 



11. uvara De Kay. 

 auriculata Binn. 

 Sityii Wood. 

 llelirodonta avara Fer. 

 barbigera lifdf. 

 bucculenta Gould. 



II. thyroides (var. B) Pfr. ? 



lldic'idonta thyroides (var. 8) 



var. minor. [Fer.? 



bulblna iJfsh. 

 capaella Gould. 



11. rotula Gould. 

 placentula Sliutt. 

 cellaria Mull. 



? II. tjlnphyra Say, nec Pfr. 



][< lirella ijl'iphyra Fer. 

 cereolua .^lUhl. 



I'olytjyra septemvolva Say. 



//. sejitemvolva Binn. 



Helicodonta septemvolva Fer. 



11. planorbula Lam. 



1858. 

 Pa. No. 



Name. 



200 



90 



200 



91 



200 



92 



201 



93 



201 



94 



201 



95 



201 



96 



201 



97 



201 



98 



201 



99 



201 

 201 



100 

 101 



201 102 



201 103 



201 104 



201 105 

 201 106 



201 



201 



201 

 201 



107 



108 



109 

 110 



var. laminifera. 

 Helix chersina Say. 



H. fulva teste Chemn. 

 Clarkii Lea. 

 clausa Say. 



H. Pennsylvanica Pfr. 

 concava Say. 



H. planorboides Pfr. 

 Helicella planorboides Fer. 

 Cooperi W. G. Binn. 

 Cumberlandiana ( Carocolla). 



H. Cumberlandiana Binn. 

 demissa Binn. 

 dentifera Binn. 

 divesta Gould. 

 H. abjecta Gould. 

 dejecta Gould. 

 Dorfeuilliana (Polygyra) Lea. 

 H.fdtiyiata Biun. 



Dorfeuilliana Bid. nec Pfr, 

 Edgariana ( Carocolla) Lea. 

 H. Ld(/ari(ina Pfr. 



spinosa (var.) Binn. 

 Edvardsi Bid. 

 egena Say. 



non H. egena Gould, 

 electrina Gould. 



H. nitidosa (var.) Pfr. 

 jiura pars Chemn. 

 elevata Say. 



Helicodonta Knoxvilliana Fer. 

 //. Tennessoensis (juu.) Lea. 

 Elliotti Redf. 

 exigua Siimp. 



H. annul ata Case. 



siriatella (jun.) teste Gld. 

 exoleta IJinn. 



H. ulbiilabrisi unidnitnta Pfr. 

 albolabris (var. ) D. Chemn. 

 Ilelicodonla albolabris (var.) 

 //. zalctn Binn. [Fer. 



Fabricii (Petasin) Beck. 

 11. Fabricii Miill. 



llainmonis Striim. ? 

 nit Ida Fabr. ? 

 alliaria Forbes. 

 fallax Say. 



H. tridmtata Binn. 

 fatigiata {Polygyra) Say. 

 H.fatigiata Binn. 



Texasiana ( var.) B. Chemn 

 Texasiana 8 Pfr. 

 Dorfeuilliana Dosh. 



