HISTOEY 



OF 



BRITISH MOLLUSCA, 



AND THEIR SHELLS. 



PROFESSOR EDWARD FORBES, F.R.S., 



OF king's college, LONDON ; 



SYLVANUS HANLEY, BA., F.L.S. 



OF WADHAM COLLEGE, OXFORD. 



VOLUME III. 



INCLUDING THE FAAIILIES OF GASTEROPODA FROM 

 NERITID^ TO ELYSIADiE. 



LONDON: 

 JOHN YAN VOORST, PATERNOSTER ROW. 



M.DCCC.LIII. 



