215 



PROCEEDINGS OF THE 

 CONCHOLOGICAL SOCIETY OF GREAT BRITAIN & IRELAND. 



309th Meeting, April 9th, 1902. 



Mr. E. C Slump in the chair. 



Donations to the Library announced and ihanks voted : 



The usual periodicals received in exchange. 



Candidates Proposed for Membership 



Mr. H. D. Gower ; Dr. II. C. Sorby. 



Papers Read. 



"South African Notes," by E. W. Swanton. 



" British Cephalopoda : their Nomenclature and Identification," by W. E. Uo)'lc. 



Exhibits. 



By Mr. J. H. Baldwin: Liiiin^ea stngnalis from Marple, Cheshire. 



By Mr. L. St. G. Byne: Some very fine specimens of a green-tinted form of 

 Cypiuta argiis, large C. iurd/is, and a beautiful series of dredged examples of C. 

 crrones var. chrysophita Melv. , all from the Red Sea. 



By Mr. W. Moss : Helix sinistrorsa var. , from Lifu. 



By Mr. J. W. Jackson: Vertigo pygnic^a, Planorbis naiitileus, Valvatapiscinaiis, 

 Ancylus Jluviatilis, and Velletia lacush-is, all from Marple, Cheshire; also a fine set 

 of Spluirium palliditiii taken recently from a pond at Droylsden. 



Some extensive series of British local and varietal forms of Splueriian and Pisidiicin, 

 with a few foreign examples for comparison, were shewn l)y Messrs. B. R. Lucas, 

 J. W. Jackson, C. Oldham, and R. Standen. The specimens in the Society's 

 collection and those in the Manchester Museum were also exhibited. 



310th Meeting, May 14th, 1902. 



Mr. Edward Collier in the chair. 



Donations to the Library announced and thanks voted : 



The usual periodicals received in exchange. 



Donation to the Illustration Fund announced and thanks voted : 



From Mr. H. Wallis Kew, 15/-. 



Donations to the Cabinet announced and thanks voted : 



Specimens of a pellucid variety of Mytiltis ediilis from l\Ir. Alfred Leicester. 

 New Members Elected. 



Harry D. Gower, 55, Bensar Road, Croydon. 



Henry Clifton Sorby, LL.D., F.R.S., Broomfield, Sheffield. 

 Candidates Proposed for Membership. 



Mr. Travis Hampson ; Mr. C. W. \'incent. 



Papers Read. 



"West American Cyprteidi^," by F. L. Button (with prefatory note by L. St. G. 

 Byne). 



"On the genus Gemma Deshayes" by W. 11. Dall. 



"Note on a colour variety of Cypnva argits" by L. St. G. Byne. 



"On the adoption of Rovereto's Cypriniadea for Arctica of Schumacher," by 

 R. Bullen Newton. 



"The Rock Pools of Donegal Bay," by R. Welch. 



"Scalariform Helix 7!e»toralis," by R. Welch. 



"The section Placosfyliis of the genus Biilititits,'' by Ed. Collier. 



Exhibits. 



By Mr. A. Leicester; A remarkable series of Myliliis edulis taken from the 

 bottoms of barges on the River Mersey. These specimens are markedly different from 



