1L.IST OF" 



BRITISH NON-MARINE MOLLUSCA. 



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

 and a COMMITTEE of the CONCHOLOGICAL SOCIETY. 



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



LIST OIF 



BRITISH MARINE MOLLUSCA. 



PREPARED BY 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, Bkatrice Terrace, Darwen, Lancashire. 



EXCHANGE COLUMN. 



GOOD Exchange in Marine Species offered for fine specimens of Valuta 

 vesperiilio, type and vars. — Lewis J. Shackleford, 66, Granville Road, 

 Blackpool. 



