Vol. 161. 



JANUARY, 1921. 



/ 



THE 



[No. 5. 



JOURNAL 



CONCHOLOGY. 



FOUNDED 1874. 



BEING THE ORGAN OF THE CONCHOLOGICAL SOCIETY 

 OF GREAT BRITAIN AND IRELAND. 



Hon. Editor : 

 J.R.leB.TOMLIN,M.A., 



Lakefoot, 

 Hamilton Rd., Reading. 



Hon. Skcretarv: 



J.W. JACK.SON, F.G.S.: 



The Museum, 



The University, 



Manchester. 



Hon. Treasurer : 



C. OLDHAM, F.L.S. 



The Bollin, 



Shrublands Road, 



Berkhamsted. 



COITTEITTS. 



List of Officers and Council 



Changes of Address ... 



Helicella barbara new to West Sussex — R. Winckworth 



On Obeliscus (Protobeliscus) riparius (Pfr.). — G. C. Spence (with 



figures) 

 Obituary Notice : Edward Collier — R. Standen 

 The Non-Marine Mollusca of Llandudno and District (concluded) 



H. Beeston ... 

 Limnsea stagnahs destroyed by Rats — A. K. Lawson 

 Clausilia biplicata in Essex — F.B.Jennings 



Evolution in the Molluscan Raduk— Rev. Dr. A. H. Cooke (Presi- 

 dential Address) 

 Note on Conus lineatus Sol. and C. lineatus Brug. — A. T. IIopwood 

 Scheme for the Division of British Marine Area into Census Areas — 



R. Winckworth (with map) 

 Helicodonta obvoluta in Sussex — R. Winckworth 

 Pyramidula rotundata var. alba at Brislington — D. Bacchus 

 Helix aspersa m. sinistrum near Sitlingbourne — H. C. Hoggins 

 Valvata macrostoma in West Suffolk — C. Oldham 

 Description of a new Galeomma from Bombay — J. R. le B. TOMLIN 

 Description of Antimitra (?) hewitti n.sp. from South Africa — Id. 

 Giant Race of Cardium edule — R. Winckworth 

 Milax gagates in Gloucester West — D. Bacchus 

 Pisidium parvulum in the Great Ouse and Severn— C. Oldham 

 Proceedings : Sept. 8 ; Oct. i6 (Annual Meeting) ; Nov. lo ; Dec. 8 



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LONDON : Dui.au & Co., Ltd., 34 to 36, Margaret St., Cavendish Square, W i. 



Sold also at the Headquarters of the Society, 

 The Manchester Museum, The University, Manchester. 



Printed by Taylor Brothers, Sovereign Street, Leeds. 



February 2nd 



Rostellaria. 



