TO 

 THE RIGHT HONOURABLE 



SIR JOSEPH BANKS, BART. G. C. B. 



PRESIDENT OF THE ROYAL SOCIETY, ETC. 

 THIS 



ATTEMPT TO ELUCIDATE THE SPECIES OF 



SHELLS 



DESCRIBED IN GMELIN's EDITION OF THE 



SYSTEMA NATURAE, 



AND TO PAVE THE WAY FOR A BETTER ARRANGEMENT, 

 IS RESPECTFULLY INSCRIBED. 



BY THE AUTHOR. 



