ADVERTISEMENT. 



The Compiler uf the following pages has derived 

 the greater part of the information contained in 

 them from "The Conchology of Lamarck," from 

 " Burrows's Elements of Conchology," and other 

 introductory treatises. 



In the present Edition of this little Work 

 many alterations and additions have been made, 

 v/ith the hope of rendering it more useful to the 

 young student. 



