﻿Quart. 
  Jo-urn 
  .Geol.Soc 
  . 
  Vol. 
  LIU 
  .PI 
  . 
  XXXII. 
  

   1. 
  

  

  

  

  IMLMchaLel 
  del.etlitK. 
  

  

  TREBOROUGH 
  TOSSILS. 
  

  

  