﻿Fig. 
  8. 
  

  

  Phil. 
  Mug., 
  S. 
  6, 
  Vol. 
  3, 
  PI. 
  III. 
  

   Fig. 
  10. 
  

  

  Fig. 
  9. 
  

  

  led 
  J\ 
  

  

  Green 
  

  

  MSS>M&^B0KtKKMKtUK^^^^^^^^^^^ 
  r 
  ' 
  

  

  8 
  

  

  Fjg. 
  11. 
  

  

  