Vol. 13]. 



JULY 1st, 1911. 



[No. 7. 



THE 



JOURNAL 



OF 



CONCHOLOGY. 



FOUNDED 1874. 



BEING THE ORGAN OF THE CONCHOLOGICAL SOCIETY 

 OF GREAT BRITAIN AND IRELAND. 



rUBMSHED QUARTERLY. 



Hon. Editor : 

 J.R. i,eB.TOMLIN,M.A.,F.E.S. 

 Stoneley, 

 Alexandra Rd., Reading. 



Hon. Seckktahy: 



Rev. L.J. S HACKLE FORD, 



66, Gn'anvii.i.e Ko.\d, 



l^LACKrOOl.. 



Ho.M. Tkeasuhek : 



E. D. BO,STOCK, 



HoM.Y House, 



Stone, Staffs. 



CONTEITTS. 



I'AGE 



Note on an Early Spinous Stage in Corlnila gibba Olivi — Anne L. 



Massy ... 191 



Additions to "British Conchology," part vii. — J. T. jMarshall 



(continued) .. 192 



On the Dart of Helix undata Lowe — G. C. Skence (with figures) 210 



Notes on the British Distribution of Teslacella — L. E. Adams ... 211 



Protective Resemblance in British Marine Mollusca — J. A. Hargreaves 215 



N ew County Records of Pisidium — J.E.Cooper 216 



On the Occurrence of Helix aspersa Miill. var. glabra Calc. in Mid- 

 Lincolnshire — J. F. MusHAM ... 217 



Proceedings: Feb. 11, 1911 ; March S, 1911 ; April 12, 1911 ; 



May 10, 1911 217 



LONDON: Dui.au & Co.. Ltd., 37, Soho S(,)uake, W. 



LEEDS : Tayi.ok Buos., SovEKEiGN St. | AL^NCHESTER: Sheknatt & Hughes, 



St. Ann's St. 

 BERLIN : Fkiedi.aendrk & Sohn, Caki.stkasse it,. 



