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PROCEEDINGS OF THE 

 CONCHOLOGICAL SOCIETY OF GREAT BRITAIN & IRELAND. 



291st Meeting, June 13th, 1900. 

 Mr. Thomas Rogers in the chair. 



Donations to the Library announced and thanks voted : 



Annual Report of the Geological Survey of Canada, vol. IO, 1897 ; Preliminary 

 Report of the Klondike Gold-Fields, Yukon District, 1900; Descriptive Note on 

 the Sydney Coal-Field, Cape Breton, Nova Scotia, 1900 {from the Director of the 

 Survey} ; Fauna Ilawaiiensis, vol. 2, 1900 — Mollusca, by E R. Sykes, with inter- 

 calations on anatomy, by Lieut. -Col. Codwin-Austen {from the author'); and the 

 usual periodicals received in exchange- 

 Further Donations to the Fund for clearing off adverse balance announced 

 and thanks voted : £ s. d. 



H. C. Burnup ... ... ... ... ... 050 



W. L. May o 10 o 



New Member Elected. 

 Miss Jessie Reeve, St. Mary's Cottage, Gamlingay, Sandy, Beds. 



Candidates Proposed for Membership. 

 Miss Emily P. F. Bury ; and Mr. W. H. Johnson. 



Alteration of Rules. 



It was announced that at the Annual Meeting the following alterations of rules 

 will be moved on behalf of the Council : — 



(a). To rule 4 add — " If on December 31st of any year a member shall be three 

 or more years in arrear with his or her subscription the Council shall erase 

 his or her name from the list of members, and shall take whatever steps seem 

 desirable for recovery of the arrears." 

 (b). In rule 8 for " one year " read " two years." 



Papers Read. 



" On the Mucus-Threads of naked Terrestrial Gasteropoda (land-slugs)," by 

 H. Wallis Kew. 



" Certain Terrestrial Testaceous Mollusca occurring in South-Western Europe," 

 by K. Hurlstone Jones, M.B., R.N., F.L.S. 



" Report on the collection of Mollusca formed by Mr. Rupert Vallentin, at 

 Stanley Harbour, Falkland Isles, 1897-98," by Jas. Cosmo Melvill, M.A., F.L.S., 

 and R. Standen. 



Exhibits. 



By Mr. T. Rogers : A number of marine shells from the Sandwich Islands. 



By Mr. Edward Collier : Helix nemoralis, II. hortensis, and H. arbustorum 

 from Miller's Dale, Derbyshire, showing peculiar weathering, probably caused by 

 the unusual heat of last summer. 



By Mr. F. Taylor : A keelless form of Helix lapicida from Buxton ; Physa 

 helerostropha from the canal at Cuide Bridge ; Planorbis dilatatus from a new 

 locality near Manchester ; Ciecilioides acicula, a large series of living specimens 

 from Miller's Dale ; Melantho decisa from Brandfort, Ontario. The series of Melautho 

 included a fine example of the extremely rare sinistral form. 



By Mr. R. Standen : An interesting series of Neptunea desfecta sent for exhi- 

 bition by Mr. A. Smith, Hon. Sec. of the Grimsby and District Naturalists' Society. 

 These are identical in form with examples from Kolguev and Spitzbergen, and 



