Vol.. 151. 



JANUARY 1st, 1918. 



[No. 8. 



THK 



J OU-RN A L 



OF 



CONG HO LOGY. 



FOUNDED 1874. 



BEING THE ORGAN OF THE CONCHOLOGICAL SOCIETY 

 OF GREAT BRITAIN AND IRELAND. 



. - ^ rrBrjSIIEIi CilTAIlTERIiY. 



Ho>J. Editor : 



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



I20, Hamilton Rd., Reading. 



Hon. Skckktakv: 

 J. W. JACK.SON, 



The Museum, 

 The Universitv, 

 IManchester. 



Hon. Tkeasuuek: 

 C. OLDHAM, F.L.S., F.Z.S. 



The Boi.lin, 



SHpUBLANDS RoAD, 



Berkhamsted. 



C01TTE2TTS. 



List of Officers and Council for 1917-1918 



List of Members ... .. ... ,. ' 



Pisidium hibernicum in Carnarvonshire— C. Oldham 



Portrait of the late Rev. L. J. Shackleford 



Physa acuta in Aiiddlesex^. E. Cooper 



Photinula v^racei sp. n. from the Falkland Islands— J. C. Mei.vii.i, 

 and- R. Standen ... 



On the Recent Misapplication of the Names Pisidium nitidum and 

 Pisidium pusilliim of Jenyns (with figures) — A. W. Stelfox 



The Habitats of Freshwater Mollusca (with map) — A. E. Boycott 



Proceedings: Sept. 12, 1917 ; Oct. 13, 1917 ... 



page 

 225 



226 



232 



233 



234 



235 

 240 



252 



LONDON: Dui.au & Co.. Ltd., 37, Soho Svuakk, \\ i. 

 LKEDS:Tavi.ok Bkos., Sovekeign St. | MANCHES'I'ER: .Shekkatt & Hughes, 



St. Ann's St. 



spjBciAiL. ex:m:i:bits. 



Tuprieula (Mitpidse) 

 Natiea - 



Area ^ - 



Jan. 9, 1918. 



Feb. 13, 1918. 



.^aefih. js, Jam, 



