Vol. 9]. 



JANUARY, 1900. 



Published January 1, 1B00. 



[No. 9. 



THE 



JOURNAL 



OF 



C ON C ECOLOGY. 



BEING THE ORGAN OF THE CONCHOLOGICAL SOCIETY 

 OF GREAT BRITAIN AND IRELAND. 



Hon. Secretary and Editor 



W. E. HOYLE, M.A., 



The Owens College, 



Manchester^ 



Hon. Treasurer : 

 E. D. BOSTOCK 

 Tixall Lodge, 

 Stafford. 



CONTENTS. 



PAGE. 



List of Officers and Council for 1899-1900 ... 257 



List of Members 257 



Proceedings of the Society, October to December, 1899 ■•• ••• 263 



Annual Report and Balance Sheet ... ... ... ... ... 265 



Sylvanus Hanley — Edgar A. Smith 269 



Note on the appearance of Helix virgata in Herefordshire — W. Blake 270 



The Etymology of the Names Azeca and Assiminea of Leach — Rev. 



G. A. Frank Knight ... ... 271 



Pisidium milium in Somerset — Ch. Oldham ... .. - ... 276 



Bibliography ... ... ... ... ... ... ... ... 277 



A large colony of Vertigo antivertigo Drap. in Co. Down — R.Welch 280 



Effect of Protracted Drought on the occurrence of Land Mollusca — 



Rev. J. W. Horsley ... ... 281 



A cross between Limnsea stagnalis and L. auricularia — G.W. Chaster 282 



Buckinghamshire Mollusca— J. R. B. Masefield 283 



Additions to ' British Conchology' (continued) — J. T. MARSHALL ... 284 



LONDON: Dulau & Co., 37, Soho Square, W. 



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



BERLIN : Friedlaender & Sohn, Carlstrasse it. 



