Division of 

 Sectional L&rary 



CONCHOLOGICAL MANUAL. 



BY 



G. B. SOWER BY, Jun. 



ILLUSTRATED BY UPWARDS OF SIX HUNDRED AND SIXTY FIGURES. 



THIRD EDITION, 



CONSIDERABLY ENLARGED AND IMPROVED. 



LONDON: 



HENRY G. BOHN, YORK STREET, COVENT GARDEN. 

 MDCCCXLVf. 



