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PROCEEDINGS OF THE 

 CONCHOLOGICAL SOCIETY OF GREAT BRITAIN & IRELAND. 



279th Meeting, April 12th, 1899. 



Mr. Thos. Rogers in the chair 



Donations to the Library announced and thanks voted : 



The Irish Naturalist, vol. 8, no. 4 ; the Scottish Naturalist, no. 30, April ; 

 the Naturalist, no. 507 ; Science Gossip, vol. 5, no. 59 ; La Feuille des Jeuncs 

 Naturalistes, ser. 3, no. 342 ; Journal de Conchyliologie, vol. 46. no. 3 : the 

 Nautilus, vol. 12, no. 11 ; Transactions of the Academy of Sciences of St. Louis, 

 vol. 7, nos. 17-20, and vol. 8, nos. 1-7. 



New Members Elected. 



Mrs. Jessie M. Blundell, Argyll House, Cirencester. 



Mrs. Lucy A. Smith, Cricklade Street, Cirencester. 



Mr. G. E. Mason, nb, Stanford Place, Stanley Bridge, Fulham, London, S. W. 



Mr. G. M. Morris, 18, Northen Grove, West Didsbuiy, Manchester. 



Mr. J. E. Neild, Brookville, Gilda Brook Road, Eccles. 



Candidates Proposed for Membership. 



Mr. J. C. Blackshaw ; Mr. H. Lamont Orr. 



Member Deceased. 



Mr. Leonard F. Biddle, who only joined the society in 1S98 ; he had, however, 

 occupied the position of hon. secretary to the Liverpool Naturalists' Field Club for 

 the last two years, during which time he succeeded in winning the highest esteem 

 and respect of the members. The Conchological Society had formed high expecta- 

 tions of his work as a member, and deeply regrets his early decease. 



Letter Read. 



From the Rev. G. A. Frank Knight, of Almanarre, Garelochead, who wishes 

 to call attention to the scheme of work drawn up by the Zoological Section of the 

 Committee charged with making arrangements for the Meeting of the British 

 Association at Glasgow in 1901. He will be glad if any members who have any 

 information regarding Clyde dredgings, or who are in possession of private lists, 

 will enter into communication with him. 



Papers Read. 



" Helices abandoning their Shells," R. Welch. 



" A large colony of Vertigo antivertigo Drap. , in Co. Down," by R. Welch. 



" Note on Clausilia semidenticulata Pfr.," by J. Bliss. 



" Effect of protracted drought on the occurrence of Land Mollusca," by the Rev. 

 J. W. Horsley. 



" Belgium and the Ardennes," by the Rev. Carleton Greene. 



Exhibits. 



By Mr. R. Welch : Helix lactea and H. pisana to illustrate his paper ; also 

 Vertigo antivertigo and Carychiiim minimum from Shaw's Bridge, River Lagan, 

 Co. Down; Planorbis nautileus var. crista^ and monstr. scalariforme, collected by 

 Mr. H. L. Orr, during September last, from a drain at Groomsport Harbour, mouth 

 of Belfast Lough, where the variety crista occurred in countless thousands on duck- 

 weed; Vertigo pygm<za, V. antivertigo, V. edentula, Carychium minimum, Succinea 

 elegans var., and Hyalinia nitida, collected by the Hon. R. E. Dillon, at Clonbrock, 

 Co. Galway. 



By Mr. R. Standen: A fine example of Cyj>r<ea isabelia-mexicana Stearns (E. 

 Coll. F. L. Button), dredged at Clipperton Island, 600 miles off the American coast. 



By Mr. Bartlet Span: A series of Turritella terebra, type and varr. nivea and. 

 gracilis from Milford Hayen. 



