PROCKEDINGS : FEBRUARY 2, 192I. 269 



Members Deceased. 



Wm. Whitwell. II. H. Corbelt. G. B. Sowerby. 



Papers Read. 



" Pomatias elegans (Mull.) at Llandudno," by A. K. Lawson. 

 " Pearl in Littorina littorea L.," by Dr. W. T. Elliott. 



Principal Exhibits. 



By Mr. A. K. Lawson : Pomatias elegans ^ixoxn Llandudno ; L. truncal ula and 

 L. pereger V2.X., from Tent's Muir, Fife; L. pereger var. lactistrisl from R. Tay, 

 Perth; A. Jiuviatiiis, from Millbrook, Perth. 



By Dr. W. T. Elliott : L. littorea and pearl from same. 



The Special Exhibit was Rostellaria. 



sooth Meeting, held at the Manchester Museum, March 2nd, 1921. 



Mr. R. Standen in the chair. 



Papers Read. 



^'' Fahuiest) ina jenkinsi in Somerset N.," by D. Bacchus. 



" A peculiar form of Hygroviia fitsca from Leigh Woods, Somerset," by D. 

 Bacchus. 



" Obituary Notice : George Brettingham Sowerby," by H. C. Kulton. 



Principal Exhibits. 



By Mr. C. Oldham : //. drapai-naldi from Berkhamsted ; A . cj'gnm (very pale 

 form) from Weston Turville Reservoir, Bucks. On behalf of Dr. F. F. Laidlaw : 

 P. cylindracea, V. pygntcBa, and V. moulinsiana found in association on rushes, on 

 banks of the Itchen, Eastleigh, Hants. (S.) ; V. siibstriata from Hill Moor, Culm- 

 stock, Devon (S. ) ; V. pygntaa (var. with seven teeth), from Uftculme, Devon (S.). 



By Mr. A. K. Lawson : H. hortensis and H. arbiistoruni from " Thrush- 

 Stones," Arbroath. 



The Special Exhibit was Planispira. 



501st Meeting, held at the Manchester Museum, April 6th, 1921. 



Mr. R. Standen in the chair. 



Donations to the Library. 



" Das Quotientengesetz ; eine biologisch-statistische Untersuchung," by Chr. 

 Petersen (Jrovi the atithor). 



" Summary of the Marine Shellbearing Mollusks of the North-west Coast of 

 America, from San Diego, California, to the Polar Sea, mostly contained in the 

 Collection of the United States National Museum, with Illustrations of hitherto 

 unfigured Species," by W. H. Dall (Jroin the author). 



Member Deceased. 



John Ray Hardy. 



Papers Read. 



" Notes on the Land and Freshwater Mollusca of East Iceland," by H. Schlesch. 

 " Helix hortensis on Thrush Stones," by A. K. Lawson. 

 " Cryptodon eutornus sp. nov.," by J. R. le B. Tomlin, M.A. 

 " Note on Madra coinplanaia of Reeve and Deshayes," by J. R. le B. 

 Tomlin, M.A. 



