﻿Bull. 
  Ent. 
  Research. 
  Vol. 
  XIII. 
  Part 
  4. 
  

  

  Plate 
  XXI. 
  

  

  Fig. 
  I. 
  Thorn 
  and 
  partly 
  deciduous 
  forest 
  bordering 
  the 
  Katagum 
  River 
  

   near 
  Sherifuri. 
  G. 
  tachinoides 
  and 
  morsitans 
  present. 
  Compare 
  

   with 
  Plate 
  XVIII, 
  a 
  palpalis 
  infested 
  river. 
  

  

  Fig. 
  2. 
  Thorn 
  forest 
  near 
  Sherifuri, 
  Kano 
  Province. 
  Taken 
  shortly 
  

   after 
  the 
  passage 
  of 
  a 
  forest 
  fire. 
  G. 
  morsitans 
  present. 
  

  

  