A MANUAL 



OF 



THE LAND AND FRESH-WATER 



SHELLS 



OF 



THE BRITISH ISLANDS, 



ARRANGED ACCORDING TO THE MORE MODERN SYSTEMS 

 OF CLASSIFICATION ; 



AND 



DESCRIBED FROM PERFECT SPECIMENS IN THE AUTHOR'S 

 CABINET: 



WITH 



coloured plates of every species. 

 By W. TURTON, M.D. 



Scire tuum nihil est nisi te scire hoc sciat alter. 



LONDON: 



PRINTED FOR 



LONGMAN, REES, OIIME, BROWN, AND GREEN, 



PATERNOSTER-ROW. 



V ^v... 183L 





