NORTH A^IERICAN CONCIIOLOGY. 



141 



[Ferussao and Desliayes, Histoire des MoUusques.] 

 Vol. i. 



Ta. PI. Fig. Name. 



5 li 6 Helix septemvolva Fer. 



HiAicudonta septemvolva Fer. 



Pohjgyra septemvolva Say. 



Helix cereolus Muhld. 

 planorhula Lam. 

 pulchella Miill. 



lle/ix minuta Say. 

 profunda Sni/. 



Ilelicilld Richardi Fer. 



Helix Richardi Desh. 

 Sayii Binney. 



Helix diodonta Say. 

 tridentata Say. 



Uelicodonta tridentata Fer. 



Tridvpsis lunula Bk. 



tridentata Bk. 

 Dorfeuilleana Lea. 



Polijiiyra plicata Say. 

 Texasiana Mcr. 



Polygyra fatiijiata Say. 



Tridopsis tridonta Bk. 



Helix fatigiata Biun. 

 Troostiana L<'a. 



Pohjgijra Troostiana Lea. 

 auriculata Say. 



Helicodonta auriculata Fer. 



Polygyra auriculata Say. 



Helix isognomostomos Gmel. 

 punctata Dillw. 



Dadalochila auriculata Bk. 

 pustxxla. Fer. 

 avara Say. 



Helicodonta avara Fer. 



Polygyra avara Say. 



Helix Sayii Wood. 



Stenotrema avara Hartm 



Dcedolochila avara Beck. 



Helix auriculata Binney. 



21 Ixix E 12-17 



69 Ixx 4 



70 Ixix I 2 

 73 li 3 



73 Ixix D 3 



74 Ixix D 2 



75 Ixix D 

 7(J I 



78 1 

 78 1 



80- 



Ixxix 

 . Ixxxvi 



3,4 



Locality. 

 Florida. 



France, &c. 

 Texas. 



Sli. of Mississippi. 



United States, Guad- 

 [eloupe. 



L^nited States. 

 Texas. 



United States. 

 Virginia, Florida. 



Texas. 



Florida, near Lake 

 [Cayuga. 



\] 



81 Ixxix 



lineata Say. 



HeUceJla lineata Fer. 

 perspectiva Say. 

 H. patula Desh. 



United States. 

 New York. 



