ROEBUCK MEMORIAL NUMBER. 



Vol., 161 



JUNE, 1921. 



[Nc. H. 



THE 



JOURNAL 



or 



CONCHO LOG Y. 



F0UN1>ED 1874, 



BEING THE ORGAN OF THE CONCHOLOGICAL SOCIETY 

 OF GREAT BRITAIN AND IRELAND. 



Hon. Editor : 

 KR.lrB.TOMLIN.M.A , 



Lakefoot, 

 Ha,m"ii.ton Rt).. Reading, 



Hon. Seckktakv : 

 W. JACKSON, M.Sc. 



The Museum, 



The University, 



Manchester. 



Hon. Thbasukkk : 



C. OLDHAM, F.L.S. 



The Bollin, 



Shrublanos Road, 



ReRKHAMS TED. 



OOHTEITTS. 



VKiiV. 



Census of the Distribuiion of British Land and Freshwater Moihisca 

 —By THE LATE W. Denison Roebuck ... ... .. 165 



FRONTISPIECE AND PLATES III— Vil. 



LONDON : Duial & Co . Ltd.. 34 to 36, Mafgaret St., Cavendish SyUAKE, W i. 



Sold al.so at the Headquarters of the Society, 

 The Manchester Museum, The Univ?;rsitv, Manchbster. 



Printed by Taylor Brothers, Sovereign Street, Leeds. 



