﻿Fig. 
  3 
  

   •pr 
  

  

  Fig. 
  4. 
  

   pr 
  

  

  G.HFord 
  . 
  !k 
  C.L 
  Gnesbaclt 
  . 
  

  

  TIBIA 
  AND 
  HUMI 
  

  

  