^^ision of MoIIusfe& 

 Sectional Library 



HISTORY 



OF 



BRITISH MOLLUSCA, 



AND THEIR SHELLS. 



PROFESSOR EDWARD FORBES, F.R.S., 



OF king's college, LONDON : 

 AND 



SYLVANUS HANLEY, B.A., F.L.S., 



OF VVADHAM COLLEGE, OXFORD. 



VOLUME III. 



INCLUDING THE FAMILIES OF GASTEROPODA FROM 

 NERITIDiE TO ELYSIAD^. 



LONDON: 



JOHN VAN VOORST, PATERNOSTER liaW, 



M.DCCC.LIII. 



