NORTH AMERICAN CONCHOLOGY. 



Page. 



Name. 

 Polyphemus glans Say. 

 G, truncata Say. 



Locality. 



78 



Glandina Mar miinii Z)esA. (GizerinMz., 



, xix), N. America? 



98 



Succinea ovalis Say. 



No America. 



98 



campestris Say. 



Florida. 



98 



Petitii Bech. 



Mexico. 



99 



Groenlandica Bech. 



Greenland. 



107 



Melampus lineatus Say. 



Auricula bidentata Gray. 



a. M. lineatus Say. 



b. M. bidentatus Say. 



Amo S. c. 0. 



107 



obliquus Say. 



Auricula obliqua Gray. 



Am. S. c. c. 



107 



corneus Desk. 



Auricula cornea Desh. 



a. fasciatus. 



b. concolor. 



New York. 



110 



Omphiscola pugio Beck. 



Mexico. 



110 



Limnophysa reflexa Say. 



L. palustris (var.) Rossm. ? 



Lake Erie. 



110 



palustris (0. Mull.) Dr. ^c. 

 Buccinum palustre, ^c. 



America, &c. 



111 



elongata Say. 

 L. umhrosa Say. 



Missouri river. 



111 



elodes Say. 



a. major. 



b. minor. 



Canada. 



111 



desidiosa Say. 



A. S. c. c. 



111 



emarginata Say. 



A. S. c. c. 1 



111 



catascopium Say. 

 L. cornea Val. 



Philadelphia. 



111 



Vahlii Berk. 



a. laevigata. 



b. inaequalia. 



Greenland. 



111 



Pingelii Beck. 



Greenland. 



111 



Holbollil Beck, 

 a. major. 

 ft. minor. 



Greenland. 



112 



humilis Say. 



South Carolina. 



113 



Limnaea appressa Say. 



L. speciosus Ziegl., Rossm. 

 acutiis Lea (jun. ?) 



North America. 



113 



columella Say. 



L. Virgin! anus Lam. 

 navicula Val. 



Pennsylvania. 



