PROCEEDINGS OF THE CONCHOLOGICAL SOCIETY. 1 35 



College, and to the Manchester Branch, for their kind and hospitable 

 reception of the wSociety. 



The Presidential Address 



Was then delivered by the retiring President, Rev. Canon Alfred Merle 

 Norman, M.A., D.C.L., F. R.S., who gave an extempore discoinse on 

 ' 'I'he Collecting of Mollusca, and their Preservation.' At the conclusion 

 of the address, a vote of thanks to the President was unanimously adopted, 

 on the motion of Mr. R. D. Darbishire, B. A., F.G.S., seconded by Mr. 

 J. Cosmo Melvill, M.A., F.L.S. 



Papers Read : 



By Mr. Lionel E. Adams, B.A. : A note on ' The Examples oi Zonites 

 ccliarius in the Montagu Collection at Exeter ' [printed in 'J. of C for Oct. 

 1892, p. 119]. 



By Mr. Edgar A. Smith, F.Z.S. : ' Description of a new species of 

 Ntiitda, and a list of the species belonging to the sub-genus Acila ' [printed 

 in 'J- of C for Oct. 1892, p.i. no — 112]. 



By Mr. Cosmo Melvill, M.A., F.L.S. : ' Notes upon Cypnea chrysalis 

 (Kiener), and upon C. amphithalcs^ [printed in 'J. of C for Oct. 1892, 

 pp. 120 — 123]. 



By Mr. Chas. Oldham : 'Additions to the South Devon List of Land and 

 Freshwater Mollusca' [printed in 'J. of C for Oct. 1892, pp. 108 — 109]. 



By Mr. F. W. Wotton : ' The Life-history of Arion afcr and its power 

 of Self-fertilization' [printed in 'J. of C for Jan. 1893, p. 158]. 



Exhibits : 



By the President (The Rev. Canon A. M. Norman, M.A., D.C.L., 

 F.R.S.) : (a) Bucciniiiii — Various species and forms of this genus ; (k) 

 LimiKva stagnalis —Various forms, including types of many varieties from 

 their describers ; (c) Helix lowei — Supposed recent specimen, with fossil 

 specimens for comparison ; (u) Pearl growth in Margaritana juargaritifera, 

 Mytilus ediilis, and Cardiiim ediilc ; (e) Monstrosities — [a) Sinistral specie 

 mens of Biiccinum undatuni, Neptiinca antiqiia, rnrpiira lapillus, Helix 

 poinatia, H. aspersa, H. nemoralis, H. virgata, H. pisana, H. i<ermiciilaris, 

 Zonites carnioliciis, Limiuea stagnalis, and L. peregra ; (/;) Dextral speci- 

 mens of Clatisilia parviila Studer and CI. straininicollis Parr ; {c) Bioper- 

 culated specimens of Bnccinuiii imdatii/n and Neptunea antiqua ; {d) Various 

 monstrosities of Bucciniiin nndatum and Neptunea antiqua, Helix poinatia, 

 H. aspersa, H. hortaisis, PI. pisana, H. vermiculaiis, etc. 



By the Society : Selection from the Brazier Collection of Australian 

 Mollusca. 



By the Manchester Branch : A selection of Unio tumidus and U. pic- 

 forum from the cabinet of the branch, illustrating gradations of form between 

 the two species. 



By Mr. John W. Taylor, F.L.S. : Types and varieties of British land 

 shells, chiefly from their describers. 



