134 C O N C H O L O G Y. 



Cowries, fhall be the head charadlers fof 

 thofe families. 



In regard to fecondary or fubordinate 

 charafters for genera or fpecies, I fliall note 

 the following : i. The figure or fhape. 

 2. The turban or clavicle. 3. The work 

 on the Shell : and, 4. The other lefs efien- 

 tial particularities ; as, thicknefs or thin? 

 nefs of the Shell, the epidermis, and the 

 fubftance, whether pearly, horny, or opake^ 

 &c. 



SECTION 



