Adams' Collector's Manual of British Land and Fresh- 

 water Shells. — Reduced Price. Copies at 5/-, post-free, may be 

 had on application to Mr. C. Oldham, The BoUin, Berkhamsted. 



From One Pound and upwards (or an exchange) is offered for 

 a single specimen of any one of the following species of South 

 American ClausUia {Nenia).— rehrei, Jouss, angrandt, Morelet,' 

 buckkyi, Higgins, deyrollei, Ancey, or tnaileolatn, Phil. Other 

 South American Clausiltce are also desired.— GEO. E. MASON, 

 Park Walk, I:ondon, S.W. io. 



What offers for Cochlostyla (all sections) 126 species, 486 speci- 

 mens ?— Canon J. W. HORSLEY, Detling Vicarage, Maidstone. 



Malacologicai Society of London. 



Hon. Sec. : A, E. Salisbury, i 2A, The Park, Ealing, W, 5, 



Subscription : Ordinary Members £1 Is. per afinum-or £10 10s. for life ; 



Corresponding Members' (resident without the British Islands) 



15s. per annum or £7 7s. for life. 

 Entrance Fee for all, £1 Is. 

 Meetings are held, by kind permission, in the apartments of the Linnean 



Society, Burlington House, Piccadilly, W., on the 



Second Friday va t.2LQ!a. month from November io/une. 

 Proceedings : Three numbers a year are free to all Members. 



*>* Back Numbers may be obtained on application to iht Hon. Sec. Membtrs receive 

 a discount of 20%. 



The Lancashire & Cheshire Naturalist 



A Monthly Journal of Natural History and Microscopy for the 



Counties of Lancashire and Cheshire, and for the adjacent districts of 



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



Edited by W. M. TATTERSALL, D.Sc, 

 Assisted in Special Departments by Competent Referees. 



Annual Subscription, 8/6 post free, should be sent direct to the Editor, 

 Dr. W. M. Tattersall, Manchester Museum. 



EXCHANGE COLUMN. 



COLONEL F. S. BOWRING, Hurstmead, Chislehurst, has specimens 

 of about 8o varieties of ClausUia, 25 of Bulimus, and 20 of Helix, from 

 Crete and the Eastern Mediterranean, to exchange for ClausUia. 



