Vol.. 161. 



AUGUST 30, 1919. 



[No. 2. 



THE 



JOURNAL 



CONC HO LOGY. 



FOUNDED 187-1. 



BEING THE ORGAN OF THE CONCHOLOGICAL SOCIETY 

 OF GREAT BRITAIN AND IRELAND. 



Hon. Editok : 

 J.R.i.eB.TOMLIN.M.A., 



Lakefoot, 

 Hamilton Rd., Reading. 



Hon. Skcrktauv: 



J. W. JACKSON, F.G.S. 



The Museum, 



The Univeksitv, 



Manchester. 



Hon. Tkeasui<e]< : 



C. OLDHAM, F.L.S. 



The Boi.lin, 



Shrubi.ands Road, 



Berkhamsied. 



COITTENTS. 



page 

 37 



40 



Obituary Notice : W. Denison Roebuck — ^J. W. Taylor 

 Obituary Notice: Rev. Canon A. M. Norman — J. C. Melvill 

 Unauthentic Records of T. canliana m. sinistrorsum in England — 



J. D. Dean 



Brachypodella oropouchensis nov. sp., from Trinidad {Plate i) — 



G. C. Spence 



Tropidophora standeni nov. sp. , from Madagascar {Plate i) — Id. 

 Field Notes on Helicodonta obvoluta {concluded) — H. Beeston 

 Spirula peroni Lam. in North Devon — A. Gardiner... 

 Occurrence of Hartmannia septemspiralis and H. patula in England 



H. C. HUGGINS 



Zonitoides nitidus var. viridescens in North Staffs. — W. E. Alkins 



A Scalariform Planorbis carinatus — Id. ... 



The Genitalia of Azeca tridens and Cochlicopa lubrica (with figures) 



A. E. Boycott 



Parthenogenesis in Paludestrina jenkinsi — Id. ... 



Sinistral L. pereger and its Progeny — J. A. Hargreaves ... 



Notes on L. pereger m. sinistrorsum — W. H. Hutton 



On a Colony of Cochlicopa lubrica — Rev. S. S. Peakce 



Proceedings: Dec. 11, 191S ; Jan. 8, 1919 ; Feb. 12; March 12 



April 9; May 14; June 18... 

 Vertigo alpestris in Borrowdale — C. Oi.dham 

 Editorial Notes 



Note on the Reproduction of Obeliscus obeliscus (Moricand) G. C. Spence 67 

 Rare Shells in Shell-pockets on the Wirral Sand-dunes — J. W. Jackson 68 

 Hygromia revelata in North Devon— A. Gardiner 68 



PLATE I. 



LONDON : Dui.au & Co.. Ltd., 34 to 36, Mapgaret St., Cavendish Square, W.i. 



Sold also at the Headquarters of the Society, 

 The Manchester Museum, The University, Manchester. 



Printed by Taylor Brothers, Sovereign Street, Leeds. 



SPECIAIL. E^CJHIlBI'rS. 



Septembep 10 

 November 12 



Stpeptaxis. 

 Physa. 



