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The following Descriptions of some new Terrestrial 

 and Fluviatile Shells of North America, were origin- 

 ally published in the Transylvania Journal, also in 

 the Disseminator, a weekly periodical published at 

 New Harmony, Indiana, prior to the publication of 

 the American Conchology, into which they were to 

 have been copied with illustrative Drawings. 



This object having only been partially accomplish- 

 ed, it seems necessary for their preservation and more 

 general circulation, to have them republished in a 

 more collective form. 



The following will be found a complete list of such 

 as were omitted in that work. 



I regret exceedingly my inability to accompany 

 the figured species with Drawings. 



If any specimens of species here described are not 

 contained in the Cabinet of the Academy of Natural 

 Sciences, they will most probably be found in my 

 own private collection, which has not been opened 

 since it was put up five years since. If this should 

 be the case, it will afford me much pleasure to place 

 them in that collection for future reference. 



LUCY W. SAY. 



Al>HU„ J 



