BRITISH CONCIIOLOGY, 



OR AN ACCOUNT OF 



THE MOLLUSCA 



WHICH NOW INHABIT THE BRITISH ISLES AND THE 



SURROUNDING SEAS. 



VOLUME III. 



MARINE SHELLS, 



COMPRISING THE REMAINING CONCHIFERA, 

 THE SOLENOCONCHIA, AND GASTEROPODA AS FAR AS 



LITTORINA. 



By JOHN GWYN JEFFREYS, F.R.S., F.G.S., &c. 



LONDON: 



JOHN VAN VOORST, PATERNOSTER ROW. 



MDCCCLXY. 

 [ The right of Translation is reserved.] 



