I06 JOURNAL OF CONCHOLOGY. 



PROCEEDINGS of the CONCHOLOGICAL SOCIETY. 



Meeting, 



HELD AUGUST 2ND, 1 883. 



Mr. W. Denison Roebuck presided. Correspondence was 

 read from Messrs W. Cash, F.G.S., J. W. Cundall, J. W. 

 Davis, F.L.S., and the Linnean Society of New South Wales. 

 The following 



DONATIONS 



were announced : — 



"Proceedings of the Linnean Society of New South Wales," 

 vol. vii., part 4 ; " Abstract of the Proceedings of the Linnean 

 Society, New South Wales," June, 1883 ; " Transactions of the 

 Yorkshire Naturalists's Union," part vi. 



NEW MEMBER. 



Mr. W. Coates, of Linthorpe, Middlesbrough, was elected 

 a Member of the Society. 



PAPERS READ. 



The variation in the coloration of the animal of Planorbts 

 contorius (Linn.) — by Mr. W. Nelson. Alteration in the mollus- 

 can fauna of a small pond— by Mr. W. Nelson. 



SPECIMENS EXHIBITED. 



Mr. Nelson showed fine specimens of Planorbis corneiis 

 from Strensall near York, LimncBa glabra var. elongafa found 

 associated with Planorbis spirorbis at the same place, also 

 LimncBa glabra found associated with Planorbis spirorbis and 

 Physa hypnoriwi, at Woodhall Bridge near Wetherby. 



Mr. J. W. Taylor exhibited on behalf of Miss Fairbrass of 

 Faversham a number of shells from that neighbourhood includ- 

 ing Helix fiemoralis vars. olivacea^ libcllula, and ?"ubella ; Helix 

 horiensis vars. lilaciiia, luteal and incarnata ; Helix Cantiana 

 and var. rubescens ; Helix virgata vars. albicans and subalbida ; 

 Anodonta cygfiea var. Zellensis ; and Siiccinea Pfeifferi ; also a 

 number of Linincex from varioas localities, the most remark- 

 able being a short obese form of L. palustris, which he pro- 

 poses to distinguish as var. obesa. Mr. Taylor further showed 



J.C, iv., 0ct.,[18&3. 



