﻿Scale 
  of 
  Miles 
  

  

  Fig.ll. 
  The 
  dotted 
  line 
  shows 
  the 
  occurrence 
  and 
  density 
  of 
  Glossina 
  palpalis 
  in 
  1906, 
  and 
  the 
  solid 
  line 
  in 
  1915. 
  

  

  