222 JOURNAL OF CONCHOLOGY, VOL. I4, NO. 7, JULY, I9I4. 



431st Meeting, held at the Museum, Manchester, April 8th, 1914. 



Mr. E. Collier in the chair. 



Additions to the Library announced and thanks voted : — 



"Notes on the Evidence of Age afforded by the Growth Rings of Oyster 

 Shells," by Anne L. Massy. " Holocene MoUusca from Clapham, Yorkshire," 

 by J. Wilfrid Jackson {fivin the respective authors) ; and the usual periodicals 

 received in exchange. 



Paper Read. 



"Cornish Non-Marine Mollusca," by Alan Gardiner, B.Sc. 



Exhibits. 



By Mr. J. Kidson Taylor .• Some beautiful examples of Cyprcea onyx, C. 

 gangrenosa, C. hnngerfordi var. kiiensis, and other species from Japan ; C. caurica 

 var. rosea ; also Dolichettlota formosensis and D. swinhoei from Formosa. 



By Mrs. Gill : An interesting series of shellsfrom Lake Tanganyika, and a very 

 large and perfect specimen of Conns aulica, with epidermis intact. 



By Mr. G. C. Spence : Specimens of Brachypodella insidae-cygni Clapp — a 

 recently described and very beautiful species from Swan Island, Caril)bean Sea. 



By Mr. Alan Gardiner : Specimens of Phytia myosotis var. denticulata ; Ovatella 

 bidentata ; Planorbis compla7iatns ; Aplecta hypnorum, all from Falmouth, Cornwall. 



In the special exhibit of the section Leptoconus, numerous examples were shown 

 by Mrs. Gill, and the species in the Manchester Museum Collection were shown by 

 Mr. R. Standen, who pointed out the chief features characterizing the group, and 

 made some remarks upon its distribution, with special reference to the many 

 interesting species dredged, or obtained from the telegraph cables in the Persian 

 Gulf by Mr. F. W. Townsend. 



432nd Meeting-, held at the Museum, Manchester, May 13th, 1914. 



Mr. B. R. Lucas in the chair. 



Additions to the Library announced and thanks voted : — 



" Manual of New Zealand Mollusca " [text only], by Henry Suter (presented 

 by the High Commissioner for New Zealand). 



"The International Directory of Malacologists and Conchologists, 1914," by 

 Maxwell Smith (presented by the compiler) ; and the usual periodicals received in 

 exchange. 



Candidate Proposed for Membership. 



Herbert W. Worsfold, 28, Melody Road, Wandsworth, London, S.W. 



Papers Read. 



"The Colonization of Helix cantiana in Herefordshire," by Prof. A. E. Boy- 

 cott, F.R.S. 



" Note on the Radula of Pyraniidula rnpestris Drap.," by E. W. Bowell. 



" Two hitherto Unnoticed Varieties of Helicella heripensis Mab.." by J. E. A. 

 JoUiffe. 



" Note on Large Specimen o{ Arion ater var. rufa and on Testacella scntulnm 

 Sow.," by B. Bryan. 



''Jaminia cylindracea DaC. with Two Denticles," by J. E. A. JoUiffe. 



Exhibits. 



By Mr. J. D. Dean : An interesting series of land shells, collected recently in 

 the vicinity of Cardiff, including fine sets of Hyaliiiia luada and II. cellaria ; 



