1 



TrSCHXSl^BBRGEIL'S SERIES. 



QL 



405 

 R% 

 1B44Z 

 Moll. 



ELEMENTS OF CONCHOLOGY: 



PREPARED FOR THE USE OF 



SCHOOLS AND COLLEGES, 



W. S. W. RUSCHENBERGER, M.D. 



Surgeon in the XJ. S. Navy ; I'ullo-w of xhe College of Physicians ; Hon. 



Member of the Philadelphia Medical bociety ; Memher of the 



Academy of Natural Scisnces of Philadelphia, &c. Sec. 



FROM THE TEXT OF 



MILNE EDWARDS, AND ACHILLE COMTE, 



PROFESSORS OF NATURAL IIISTOKY IN THE C0LLE&£S 

 OF HENRI IV, AND CHAKLEMAaNE. 



VriTH PLATES. 



PHILADELPHIA.: 

 GRIGG & ELLIOT, 



NO. 9 NORTH FOURTH STREET, 

 1815. 



