lU sH CONCHOLOOY, 



OB AN ACCOUNT OP 



THE MOLLUSCA 



HIGH NOW INHABIT THE BRITISH ISLIS AND THE 

 SUBBOUNi'LVG 



COMPRISINl* THE REMAIKEIO CONCHIFERA, 



THE SOLENOCONCHIA, AND GASTEROPODA AS FAR AS 

 LITTORINA. 



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



JOHN VAN ' ^HKiJSTEE ROW 



[TV rto*^ o/ Trantlation it r e ercd.\ 



LIBRARY 



UNIVERS 



DAVIS 



