Vol.. 13]. 



JANUARY 1st, 1912. 



No. 9. 



THE 



JOURNAL 



OF 



CONCH O LOGY. 



FOUNDED ISW. 



BEING THE ORGAN OF THE CONCHOLOGICAL SOCIETY 

 OF GREAT BRITAIN AND IRELAND. 



PUBLISHED QUARTERIiY. 



Hon. Editor : 

 J.R.leB.TOMLIN,M.A.,F.E.S. 

 Stonelev, 

 Alexandra Rd., Reading. 



Hon. Secuktary: 



Rev. L. J.SHACKLEFORD, 



66, Granvh.le Road, 



Blackpool. 



Hon. Trea.surkr : 



E. D. BOSTOCK, 



OuLTON Cross, 



Stone, Staffs. 



COITTEITTS. 



Constitution of the Conchological Society of Great Britain and Ireland 



List of Officers and Council for 191 1-I2 



List of Members 



Succinea elegans Risso new to the Orkneys — J. R. le B. Tomlin ... 



Vertigoangustior Jeff, in Hertfordshire— C. Or.DHAM 



Biology of the Molkisca, based chiefly upon a Study of one of our 



Commonest Species, HeHx aspersa — J. W. Taylor ... 

 Pisidium lilljeborgi Clessin in the Isle of Skye — J. R. le B. Tomlin 

 Association of Ancylus fluviatilis and Velletia lacustris — J. E. Cooper 

 Pseudanodonta rothomagensis Loc. ia Britain — W. H. FoxALL and 



H. Overton (with Plate) 



Clausilia bidentata m. dextrorsum at Skipton — C. T. Cribb .. 



Testacella in Staffordshire — John R. B. Masefield 



On the Occurrence of Clausilia dubia Drap. in Kent — H. Overton 

 Proceedings: Sept. 13, 1911 ; Oct. 14, 1911 (Annual Meeting); 



Nov. 8, 1911 



Proposed Reprinting of Vol. I. of the Journal of Conchology 



Bibliography 



Notice to Members: Alteration of Rule 8 



PLATE 2. 



I'AGK 



255 

 256 

 257 

 264 

 264 



265 

 273 

 273 



274 



274 

 275 

 276 



277 

 286 

 286 

 286 



LONDON: Dulau & Co., Ltd., 37, Soho Square, \V, 



LEEDS; Taylor Bros., Sovereign St. | MANCHESTER: Sherratt & Hushes, 



St. Ann's St. 

 BERLIN: Frikdlaender & Sohn, Carlstrasse 11. 



SPflCIlLIL. S^CfiEIBXrrs. 



Jan. 10 

 March 13 



Eucalodium and Allies. 

 Japanese Land Shells. 



