BRITISH CONCHOLOGY, 



OR AN" ACCOUIfT OF 



THE MOLLUSCA 



WHICH NOW INHABIT THE BEITISH ISLES AND THE 



SUREOUNDINO SEAS. 



VOLUME L 



LAND AND PEESHWATER SHELLS. 



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



■ O come hither, and behold the works of the Lord ! " — PsAL^i xIti. 8. 



LONDON: 

 JOHN VA.^ VOORST, PATERNOSTER ROW. 



MDCCCLXH. 

 [The right of Translation is reserved.] 



