Vol. 11]. 



JULY 1st, 1905. 



[No. 7. 



THE 



JOURNAL 



OF 



CONCHOLOGY. 



BEING THE ORGAN OF THE CONCHOLOGICAL SOCIETY 

 OF GREAT BRITAIN AND IRELAND. 



PUBLISHED QUARTERLY. 



Hon. Secretary : 



W. E. HOYLE, M.A., D.Sc, 



The University, 



Manchester. 



Hon. Treasurer : 



E D. BOSTOCK, 



Stone, 



Staffordshire. 



CONTENTS. 



Professor Lang's Breeding Experiments with Helix hortensis and 

 H. nemoralis : An Abstract and Review — A. D.Darbishire 



Additions to the Land and Freshwater Mollusca of Northamptonshire 

 — Rev. W. A. Shaw 



Hydrobia jenkinsi in Rivers — Rev. Canon J. W. Horsley 



Vertigo substriata (Jeff.) m. sinistrorsum— R. Standen 



International Rules for Zoological Nomenclature 



Paludestrina jenkinsi in the New River — A. G. Stubbs 



An Account of the Mussel Fishery and Pearl Button Industry of the 

 Mis.sissippi River — Lionel E. Adams 



The Marine Mollusca of Tenby and Neighbourhood : A Further Con 

 tribution — J. Williams Vaughan 



Proceedings of the Society, April 12 — May lo, 1905 



Bibliography ... ... ... .,, ... 



London Branch, Proceedings — J- E. Cooper. ... 



iNIollusca collected at Cette, S. France — Rev. Canon J. W. Horsley 



Notes on the West Cornwall District — C. E. Wright and L. E.Auams 



Vivipara contecta (Millet) m. sinistrorsum — R. Standen 



PLATE IV. 



PAGE. 



200 

 200 

 200 

 201 

 211 



212 



216 

 218 

 220 

 222 

 222 

 223 

 224 



LONDON: Dui.au & Co., 37, Sohu Shuake, W. 



LEEDS: Tavi.ok Bkos., Sovereign St. | MANCHESTER: J.E.Coknlsh, St. Ann's Srj. 



BERLIN : Friedi.aender & Sohn, Caki.stkasse it. 



