

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., 



OP WADHAM COLLEGE, OXFORD. 



VOLUME II. 



INCLUDING THE REMAINING FAMILIES OF BIVALVES, THE 



PTEROPODA, AND THE GASTEROPODA AS FAR AS 



IANTHINIDiE. 



LONDON: 



JOHN VAN VOORST, PATERNOSTER ROW. 



M.DCCC.LIir. > _. .. 



MA * 1 3 1988 



ii^RIES 



