ESTABLISHED IN 1 8 74 AS 



THE Q UARTERL Y JO URNAL OF CONCHOL OGY. 



CONTENTS. 



ORIGINAL COMMUNICATIONS: pagi 



Descriptions of some New Varieties of British Land and Freshwater 



Shells— J. W. Taylor ... ... ... ... ... 33 



Septa of Planorbis lineatus. — ^J. W. Taylor ... ... ... 37 



The British Slug List.— W. D. Roebuck ... ... ... 38 



Description of a New Species of Cassis (C. kalosmodix). — J. Cosmo 



Melvill, M.A., F.L.S. ... ... ... ... 43 



Pupa marginata V. albina. — J.W.Taylor ... ... ... 44 



The Conchological Society's List of British Land and Freshwater 



Mollusca ... ... ... ... ... ... 45 



Descriptions of some New Varieties of British Land Shells. — ^J. W. 



Taylor ... ... ... ... ... ... ... 53 



Notes on the Mollusca collected in Switzerland. — R. M. Christy 56 



Circe verstis Gouldia. — Prof. W. H. Dall ... ... ... 60 



BIBLIOGRAPHY 63 



PROCEEDINGS ofthe CONCHOLOGICAL SOCIETY S4 



LONDON: D. BOGUE, St. Martin's Lane, "VV.C. 



LEEDS : TAYLOR BROS., St. Ann Street. 



BERLIN; R. FRIEDLANDER & SOHN, Carlstrasse, u. 



HOBART TOWN, TASMANIA : W. LEGRAND. 



PRICE ONE SHILLING. 



Agency of Smithsonian Institution. 



