﻿PROCEEDINGS 
  

  

  MALACOLOGICAL 
  SOC[ETY 
  

  

  OF 
  LONDON. 
  

  

  EDITICI) 
  BY 
  

  

  B. 
  B. 
  WOODWARD, 
  F.L.S., 
  etc. 
  

  

  Under 
  the 
  direction 
  of 
  the 
  rahlication 
  Committee. 
  

  

  VOLUME 
  XIII. 
  

  

  1918—1919. 
  

  

  AUTHOKS 
  ALONE 
  ARK 
  RESPONSIULE 
  FOR 
  THE 
  STATEMENTS 
  IN 
  THEIR 
  HESPECTIVE 
  

  

  PAPEllS. 
  

  

  LONDON 
  : 
  

  

  DULAU 
  & 
  CO., 
  Ltd., 
  

  

  34-36 
  Margaret 
  Street, 
  Cavendish 
  Square, 
  W.l. 
  

  

  1919. 
  

  

  