BRITISH NON-MARINE MOLLUSCA. 



Prepared by B. B. WOODWARD, F.L.S., 

 and a COMMITTEE of the CONOHOLOGICAL SOCIETY. 



3d. eacli ; 2s. 6d. per dozen. 



LIST c:>:h' 

 BRITISH MARINE MOLLUSCA. 



PREPARED EV A COMMITTEE 

 OF THE CONCHOLOGICAL SOCIETY. 



Second Edition, Revised. 



4d. each ; 3s. per dozen. 



THE CENSUS OF BRITISH 

 LAND AND FRESHWATER MOLLUSCA. 



By LIONEL E. ADAMS, B.A. 

 Published by authority of the Coneholog-ieal Society. 



Price 3d. each ; 2s. 6d. per dozen. 



The above may be had from Messrs. DuLAU & Co., Ltd., 37, Soho Square, W., 

 post free if cash is sent with order. 



The Lancashire Naturalist, 



A Monthly Journal of Natural History for the County of 



Lancashire, and for the adjacent districts of Cheshire, 



Derbyshire, Westmorland, North Wales & the Isle of Man. 



Conducted by MR. W. H. WESTERN, 



Assisted in Special Departments by Competent Referees. 



The Journal, which is supported by many prominent Naturalists of the District, 

 deals with all branches of Natural History, and is rapidly increasing in circulation. 

 Amongst the Conchological Notes and Papers which have already appeared are : 

 " Notes on the Freshwater Mussels of Lancashire and Adjacent Counties" ; "On 

 the Mollusca from the 'Cave-Earth,' Dog-Holes, Warton Crag"; and others, 

 which contain much valuable information of local and general interest, 



Annual Subscription, 5/- post free, should be sent direct to the Editor, 

 Mr. W. H. Western, 139, Beatrice Terrace, Darwen, Lancashire. 



w 



EXCHANGE COLUMN. 



EST African Shells of various genera for Marginella, Mitra or /Vc/£« species - 

 Lists to Lewis J. Shackleford, 66, Granville Road, Blackpool. 



WANTED Urocopthiie and Obbas. Exchange various land shells. Lists — 

 G. C. Spence, 27, Pine Grove, Monlon, L^ancs. 



