93 



PROCEEDINGS OF THE 

 CONCHOLOGICAL SOCIETY OF GREAT BRITAIN & IRELAND. 



420th Meeting', held in Manchester Museum, March 12th, 1913. 



Mr. E. Collier in the chair. 



Additions to the Library announced and thanks voted : 



"The Conchologist " (1834), by John Warren ; "The Genera Vermiiim exem- 

 plified by various specimens of the Animals contained in the Orders of the Intestina 

 et Mollusca Linnoei" (1783), by James Barbut ; "Die Conchylien, Seesterne und 

 Meergewachse, der ehemaligen Gottwaldtischen Naturaliensammlung, &c." (1782), 

 by Johann Samuel Schroter (presented by W. Raskin Biilterfield) ; and the usual 

 periodicals received in exchange. 



Donations to the Cabinet announced and thanks voted : 



From Mr. J. R. le B. Tomlin — Helix nemoialis var. carnea (l23)(45), conica, 

 HeUcella caperata, Hygiomia revelata, Pyramidula rolittidata, Ptifa cylind?-acea, 

 Helicella acuta, Balea perversa, Succinea elegans, Litntuea peregra, Plauorbis 

 spirorbis, Pisidium piisillum, all from Tresco Island, Scilly, June, 1912. 



From Mr. Charles Upton — Sphceritim fallidnni from Gloucester and Berkeley 

 Canal, i^ miles from Gloucester Dock (Gloucester East). 



From Mr. W. Denison Roebuck — Helicodonta ohvoluta, Buriton escarpment, 

 Hants. S., July, 1912. 



From Mr. E. D. Marquand — Vertigo substriata, St. Martin's, Guernsey. 



Candidates proposed for Membership, 



Major Matthew Connolly, c/o. Cox & Co., 16, Charing Cross, London, S.W., 

 (by J. R. le B. Tomlin and J. Wilfrid Jackson). 



Harry Leon Gauntlett, M.R.C.S. (Eng.), L.R.C.T. (Lond.), A.K.C. (Lond.), 

 Member of Selborne Society, Merton Cottage, Bloxham, Oxon. (by E. Collier and 

 L. J. Shackleford). 



Julius Heller, Villa Gisela, Teplitz, Bohemia (by Dr. H. Becker and L. J. 

 Shackleford). 



Papers Read. 



"Notes on Some Types of Marginella in the Marrat Collection," by J. R. le B. 

 Tomlin, M.A. 



" Description of a New Species o{ Adeorbis," by J. R. le B. Tomlin, M.A. 



" Descriptions of New Species of Marginella and Mun-onalia from Sao Thome," 

 by J. R. le B. Tomlin, M.A. and L. J. Shackleford. 



" Note on a sinistral specimen oi Marginella zonata Kien.," by B. R. Lucas. 



" An apparent selection of forms of H. netiioralis by adverse conditions," by 

 Professor A. E. Boycott. 



"On the Pennant Collection of British Shells," by Edgar A. Smith, I.S.O. 



'■'• Paludestrina jenkinsi \Xi Cambridgeshire," by C. Oldham. 



" Plelix aspersa m. scalariforme Taylor," by J. R. B. Masefield, M.A. 



"Notes on some Pleistocene Mollusca in North Hunts.," by Rev. C. E. Y. 

 Kendall, B.A. 



''^ Helix — Section Tachea and their Geographical Distribution," by E. Collier. 



Exhibits. 



By Mr. W. Denison Roebuck : A living example of Testacella viangei var, 

 griseo-nigrescens sent from Hereford by Miss M. A. Boycott. 



