PROCEEDINGS OP THE MALACOLOGICAL SOCIETY. 153 



ORDINARY MEETING. 

 Friday, 10th November, 1922. 

 A. S. Kennard, F.G.S., President, in the Chair. 

 The following communications were read : — 



1. " On tlie Anatomical Characteristics of some British Pisidia." 

 By Nils Hj. Odhner (commimicated by B. B. Woodward, F.L.S.). 



2. Notes on the Bionomics of British Cepcea. By Capt. C. R. P. 

 Diver, F.R.G.S. 



The following exhibits were made : — ■ 



By Mr. Woodward : 1. Pisidium clessini, Surbeck, from {a) 

 L. Torne Trask (3937V), Swedish Lapland ; (6) Cwm Glas, Snowdon ; 

 (c) Loch Ness, Inverness ; in illustration of Dr. Nils Hj. Odhner's 

 paper. 



2. Balea perversa, L., with well-developed mouth, from Ethie 

 Burn, Cromarty, and associated Clausilia rugosa, Drap. 



3. Lauria cylindracea, Da Costa, from Dolgelly, Merionethshire, 

 of which one specimen exhibits an extra whorl and is analogous 

 to the Azeca elongata of Taylor and the Cochlicopa lubrica, var. og 

 of Bo well. 



4. Fruticicola {Zenohiella) subrufescens, Miller, dark variety from 

 Leigh Woods, Bristol, lately described in the Journal of Conchology, 

 with other specimens from Bristol collected by Miss Hele, and the 

 more typical northern form from Scarborough, and from Ireland. 



5. Abnormal form of Strophocheilus rosaceus, King, with normal 

 examples for comparison from the neighbourhood of Valparaiso, 

 ChiK. 



By Capt. Diver, Shells and Darts of Helix {Cepcea) nemoralis, 

 L., and hortensis, Miill., in illustration, of his paper. 



By Col. Peile, the Type Shell of Ptychotrema fisheri, Connolly. 

 See Ann. & Mag. Nat. Hist., ser. ix, vol. x, 1922, p. 489. 



ORDINARY MEETING. 



Friday, 8th December, 1922. 



A. S. Kbnnarb, F;G.S., President, in the Chair. 



Mr. H. J. Finlay, Dr. C. O'Donoghue, and Mr. Leslie Cox were 

 elected to membership of the Society. 

 The following communications were read : — 



1. List of British Nudibranchiate MoUusca. By T. Iredale and 

 Dr. C. O'Donoghue. 



2. Description of twenty-one species of Turridae from various 

 localities in the collection of Mr. E. R. Sykes. By Dr. J, C. 

 Melvill, F.L.S. 



The following exhibits were made : — 



By Col. Peile : Five radulae of different types obtained from 

 Twofold Bay (Australia) species of Turridae, including one of 



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