Vol.. 11]. 



JULY 1st, 1904. 



[No. 3. 



THE 



JOURNAL 



OF 



CONG HO LOGY. 



BEING THE ORGAN OF THE CONCHOLOG-ICAL SOCIETY 

 OF GREAT BRITAIN AND IRELAND. 



PUBLISHED QUARTERLY. 



Hon. Secretarv: ] 



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

 The Owens College, 

 Manchester. 



Hon. Treasurer : 

 E. D. BOSTOCK, 



Stone, 

 Staffordshire. 



CONTEITTS. 



The Land Shells of Majorca — The Rev. Canon IIorsley ... 



Report on the Droylsden Ramble — Fred T.a.yLor 



The Land and Freshwater Mollusca of Ilfracombe and District : 



Supplementary List — H. Beeston and C. E. Wright 

 The British Species of Vallonia — B. B. \Yoodwakij 

 The Zebra-Mussel (Dreissensia polymorpha Pallas) R. Standen 

 Notes on Isle of Man Mollusca — B. R. Lucas 

 Proceedings of the Society, April 13 — May 11, 1904 

 Bibliography 



Succinea oblonga Drap. var. alba — C. E. Wright ... 

 Helix pomatia m. sinistrorsum in Surrey — Y. B. Jenning 



PAGE. 

 65 

 71 



72 

 82 



S3 

 90 



91 

 93 

 96 

 96 



LONDON: DuLAu & Co., 37, Soho Squakk, W. 



LEEDS : Tavlor Bros., Sovereign St. | MANCHESTER: J. E. Cornish, St. Ann's Sq 



BERLIN : Friedlaender & Sohn, Caklsikasse it. 



CONCHOLOGICAL RAMBLES 



IN THE NEIGHBOURHOOD OF MANCHESTER. 



July 16. Miller's Dale. Central, 1-48. 



Leader J. W. Jackson. 



