THE CONCHOLOGICAL SOCIETY OF GREAT 

 BRITAIN AND IRELAND. 



The Object of the Society is the promotion of Conchology, by the holding of 

 Meetings for the reading and discussion of original papers, by the publication of proceedings, 

 and by the formation of a Library and Collections illustrative of the science. 



The Meetings are held on the second Wednesday of each month, at 7 p.m., at the 

 Manchester Museum, the University, Manchester. 



The Library and the Collections are deposited in the Manchester Museum, and 

 are open (10 to 5 daily) to Members on application to the Museum Staflf. 



The Subscription is 51- per annum; life membership £3 3s. 



Resig^nations take effect at the close of the year in which they are given. 



The 'Journal of Conchology,' (quarterly) edited by W. E. Hoyle, D.Sc, is the 

 organ of the Society', contains all its proceedings and papers, and is supplied free to every 

 Member Vfho is not in arrear with his subscription. Price to Non-Members, 6/- per annum. 



Remittances should be sent (and made payable) to the Hon. Treasurer. ^ 



All other Communications should be addressed to the Hon. Secretary. 



r^TST 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 ; post free if cash is sent with order. 



LIST OIF 



BRITISH MARINE MOLLUSCA. 



PREPARED BY A COMMITTEE 

 OF. THE CONCHOLOGICAL SOCIETY. 



Second Edition, Revised. 



4d. each ; 3S. per dozen ; post free if cash is sent with order 



THE CENSUS OF BRITISH 

 LAND AND FRESHWATER MOLLUSCA. 



By LIONEL E. ADAMS, B.A. 



Published by authority of the Conehologieal Society, 



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



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

 or from the Secretary. 



EXCHANGE COLUMN. 



A HARTLEY, 19, Thorp Garth, Idle, Bradford, Yorks. — Hyalinia 

 , 7titidiila var. helini, species of Vertigo, and many other good shells offered 

 in exchange for Helix lapicida var. albina, H. pomatia var. albici.i, Ena mo7itaua 

 var. albina, and other shells not in my collection, British or Foreign. 



MRS. SMART, Parkham Rectory, Bidekord, N. Devon, has for disposal 

 the Collection of British Shells formed by the late Rev. R. W. J. Smart. 



