NORTH AMERICAN CONCIIOLOGY. 



219 



Piige. 



Name. 



Locality. 



6 



Helicella glaphyra Say. 



Am. S. c. c. 



7 



Mesomphix fuliginosa Griff. 

 Zonites fuliginosa Gr. 

 Helix inornata Say ? 



Am. S. c. c. 



7 



laevigata Raf. 



Soutli Carolina, 



8 



Euryomphala solitarium Say. 



Ohio. 



8 



alternata Say. 

 H. radiata Gmel. 

 scabra Lam. 

 6. carinata Fer. (Ixix, 10). 



Ohio. 



8 



rastellum Beck. 



North America 



8 



hieoroglyphica. 



North America. 



8 



lineata Say. 



Am. S. c. c. 



9 



perspectiva Say, 

 H. patula Desh. 



Lake Erie. 



9 



Sagda gularis Say. 



Ohio. 



18 



Bradybaena pisum Beck. 



Mexico. 



21 



Petasia Fabricii Beck. 



H. nitida Fabr. (exc. syn.) 



Greenland. 



21 



Daedalochila auriculata Say. 

 Polygyra auriculata Say. 



Florida. 



21 



avara Say. 



Polygyra avara Say. 

 H. Sayii Wood. 



Louisiana. 



21 



implicata Beck. 



Mexico. 



22 



Tridopais tridonta Chr. Sf Jan. 

 II. plicata Say ! 

 Texasiana Mor. ! 



Texas. 



22 



(Tridopsis) fraterna Say. 

 II. slenotrema Fer. mus Par. 



A. S. c. c. 



22 



(Tridopsis) lunula Raf. 

 II. tridentata Fer. (li, 3). 



Ohio. 



22 



(Tridopsis) inflecta Say. 



Pennsylvania. 



22 



(Tridopsis) tridentata Say. 



Pennsylvania. 



22 



(Isognomostoma) clausa Raf. 

 II. clausa Fer. (li, 2). 



Kentucky. 



22 



(Stenotrema) convexa Raf. 

 II. convexa Fer. 



A. S. c. c. 



22 



(Stenotrema) hirsuta Say. 

 II. isognomostomos (p. p.) Gmel. 

 sinuata (var. y) Fer. (1 A 1.) 

 hirsuta Fer. 

 fraterna Wood (vii, 16). 



A. S. c. c. 



22 



(Mesodon) appressa Say. 

 II. liiiguifera Fur. 



15 



Ohio. 



