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PROCEEDINGS OF THE 

 CONCHOLOGICAL SOCIETY OF GREAT BRITAIN & IRELAND. 



435th Meeting, held at the Museum, Manchester, Oct. 14th, 1914. 



Mr. E. Collier in the chair. 



The Hon. Librarian reported that the usual exchanges had been received. 

 A letter was read from the President approving of the abandonment of the 

 Annual Meeting, and consenting to hold office for a second year. 



New Members Elected. 

 John Noble Kennedy, R.N. 

 Alfred John Saban. 



Papers Read. 



"The Radula of Hyalinia — III., The Radujar Characteristics of Hyalinia 

 helvetica from Different Localities," by A. E. Boycott. 



" Helicella virgata m. sinisirorsum near Scarborough," by W. Gyngell. 



Exhibits. 



By Prof. A. E. Boycott : Hyalinia helvetica from several localities, to illustrate 

 his paper. 



By Mrs. Gill : A fine specimen of Pleiodon ovattis Sw^. ; and series of British 

 and foreign PhasiantUa. 



By Mr. G. C. Spence : Otocoptis plamilata Pfr. , from Haiti ; and Eutrochatella 

 Candida Pfr., from Turk's Island, Bahamas. 



In the Special Exhibit of Planorbis spirorbis and PL vortex, series were shown 

 by Messrs. E. Collier, E. C. Stump, C. H. Moore, J. W. Jackson, R. Standen and 

 Mrs. Gill. Mr. Jackson briefly explained the object of the exhibition, which was to 

 try to ascertain if the true Planorbis spiroj-bis L. inhabited the British Isles. A com- 

 parison of British specimens with others from various parts of the continent and with 

 the figures in reliable text-books seems to indicate that the great majority of 

 British PI. " spirorbis^^ ligttG better with PL leucostonia Michaud [ = /Y. rottindatus 

 Poir.] ; a few others are not unlike PL septemgyratus Ziegler ; while none can be 

 said to quite agree with the typical North European PL spirorbis L. 



436th Meeting-, held at the Museum, Manchester, Nov. nth, 1914. 



Mr. E. Collier in the chair. 



Additions to the Library announced and thanks voted : 



" Manual of Conchology," part 8g, by H. A. Pilsbry ; "Notes upon some Lower 

 Californian Helices,^ by H. A. Pilsbry ; "The Method of Progression in Trunca- 

 lella : List of Land and Freshwater Mollusks of Antigua," by H. A. Pilsbry and 

 A. P. Brown ; " A Note on the Apparent Absence of Sexual Characters in the Shell 

 oi Nerititta flnviatilis,'" by A. E. Boycott and J. W. Jackson {from the respective 

 authors) ; and the usual periodicals received in exchange. 



Donation to Autograph Letter Collection. 



Letter from Captain Knocker, H.M.S. "Fly," May 25th, 1863, by J. R. le B. 

 Tomlin. 



The Hon. Secretary's Annual Report and the Reports of the London, the Leeds 

 and the North Staffordshire Branches were read and adopted. 



