2 PROCEEDINGS OF THE MALACOLOGICAL SOCIEXr. 



The following coramimications were read : — 



1. '' Xote on the genus Aricia of Gray." By H. 0. X. Shaw, F.Z.S. 

 •2. " Description of Sidriim Oparense, n.sp., from the South Pacific." 

 By J. Cosmo Melvill, M.A., B.Sc. 



3. "Notes on the Shells of Tridaaia, and description of a new 

 species." By G. B. Sowerby, F.L.S. 



4. " On a case of presumed Viviparity in Lituicolaria" By G. C. 

 Kobson, B.A. 



5. "Descriptions of New Helicoid Shells from Cape Colony." By 

 H. B. Preston, F.Z.S. 



Mr. B. B. Woodward exhibited fragments of limestone eroded by 

 Helicella caperata taken by Mr. C. Davies Sherborn at Tregeagle Cove, 

 Peudower Beach, Cornwall. 



Mr. E. A. Smith exhibited a very large specimen of Anodonta 

 cygnea from Lancashire, and on behalf of Mr. K. Hurlstone Jones 

 specimens of Pisidium LiUjehorgii from Loch Urie, Isle of Arran, and 

 of Pisidium Steenluchi from Glengarriff, co. Cork. 



OEDINAEY MEETING. 

 Friday, 12Tir January, 1912. 



K. BULLEN Newton, F.G.S., President, in the Chair. 



Dr. Henry Woodward and Mr. G. C. Bobson were elected Auditors. 

 Dr. L. Soos and Mr. P. Hesse were elected members of the Society. 



The following communications were read : — 



1. " Note on the genus Panope, Menard." By Dr, W. H. Dall. 



2. "The Nomenclature of the Veneridse : a reply to Dr. W. H. 

 Dall." By A. J. Jukes-Browne, F.R.S , F.G.S. 



3. " The occurrence of Helicella Heripensis (Mabille) in Great 

 Britain" and "Notes on some British Non-marine Mollusca ". By 

 A. W. Stelfox. 



4. " Characters of two undesci'ibed LaTid Shells from tlie Republic 

 of Colombia and a new genus of Helieoids " ; " Explanation of the 

 figures occurring in Westerlund's ' Sibiriens Land- och Sotvatten- 

 Mollusker ', 1877"; "On two preoccupied specific names in 

 Gastropoda." By G. K. Gude, F.Z.S. 



5. " On the occurrence of Papisoma in South Africa." By H. C. 

 Burnup. 



6. "Note on Aphanitoma Locardi, Bavay, and 3Iitra l{conica, 

 Sykes." By E. R. Sykes, B.A. 



Mr. B. B. Woodward exhibited the types, obtained on loan from 

 the Stockliolm Museum, of the following : Pisidium Baicalense, 

 var. P. suhtilistriatuin, Lindholm, both of which he found upon 

 examination to pertain to P. amnicmn ; also other Pisidia from the 

 region of Lake Baikal, ilo. exhibited on behalf of Mr. H. C. Napier 

 Pseudanodonta ehngata from the River Cher well. 



