﻿Quart. 
  Journ. 
  Geol. 
  Soc. 
  Yol. 
  MIL 
  PL 
  XV. 
  

  

  THE 
  BETCHWORTH 
  BOULDERS. 
  

   [From 
  a 
  Photograph.] 
  

  

  