﻿314 
  

  

  MAJOR 
  E. 
  E. 
  AUSTEN. 
  

  

  For 
  the 
  association 
  of 
  the 
  name 
  of 
  Mr. 
  C. 
  F. 
  M. 
  Swynnerton, 
  Game 
  Warden, 
  

   Tanganyika 
  Territory, 
  with 
  the 
  interesting 
  and 
  important 
  species 
  characterised 
  

   above 
  no 
  apology 
  is 
  needed. 
  Mr. 
  Swynnerton, 
  whose 
  admirable 
  description 
  of 
  the 
  

   tsetse-fly 
  investigations 
  carried 
  out 
  by 
  him 
  in 
  Portuguese 
  East 
  Africa 
  some 
  four 
  

   years 
  ago 
  will 
  be 
  fresh 
  in 
  the 
  memory 
  of 
  readers 
  of 
  this 
  journal,* 
  has 
  kindly 
  supplied 
  

   the 
  following 
  note 
  on 
  the 
  area 
  in 
  which 
  the 
  new 
  species 
  occurs, 
  and 
  on 
  the 
  impression 
  

   made 
  on 
  him 
  by 
  the 
  latter 
  in 
  the 
  field. 
  

  

  " 
  A 
  great 
  block 
  of 
  acacia 
  savannah 
  woodland, 
  surrounded 
  by 
  open 
  country, 
  lies 
  in 
  

   the 
  Usukuma 
  area 
  of 
  the 
  Mwanza 
  District. 
  It 
  extends 
  on 
  the 
  west 
  to 
  a 
  few 
  miles 
  west 
  

   of 
  the 
  Simiyu 
  R. 
  ; 
  on 
  the 
  east 
  to 
  the 
  great 
  Serengeti 
  plain 
  ; 
  on 
  the 
  north 
  (in 
  places) 
  

   to 
  the 
  Speke 
  Gulf, 
  Lake 
  Victoria, 
  to 
  the 
  Ushashi 
  escarpment 
  and, 
  I 
  believe, 
  to 
  a 
  point 
  

   beyond 
  Ikoma, 
  Nyamatoki 
  ; 
  and 
  on 
  the 
  south 
  nearly 
  to 
  Lake 
  Eyasi 
  and 
  the 
  Sibiti 
  

   River. 
  My 
  specimens 
  of 
  G. 
  swynnertoni 
  have 
  been 
  taken 
  between 
  its 
  western 
  border 
  

   and 
  Mount 
  Ngasamo 
  (north 
  of 
  the 
  Duma 
  R.), 
  and 
  between 
  Nasa, 
  on 
  Lake 
  Victoria, 
  

   and 
  the 
  foot 
  of 
  the 
  Ushashi 
  escarpment 
  ; 
  but 
  the 
  whole 
  block 
  that 
  I 
  have 
  described 
  

   is 
  infested 
  with 
  tsetse, 
  and, 
  I 
  believe, 
  with 
  this 
  particular 
  species. 
  The 
  insect 
  has 
  

   also 
  been 
  taken 
  in 
  numbers 
  by 
  fly-boys 
  of 
  mine 
  reporting 
  to 
  Mr. 
  A. 
  M. 
  D. 
  Turnbull 
  

   on 
  the 
  mainland 
  opposite 
  Ukerewe 
  Island 
  (L. 
  Victoria), 
  and 
  has 
  been 
  sent 
  to 
  me 
  

   in 
  abundance 
  by 
  Mr. 
  G. 
  G. 
  Griffiths 
  from 
  the 
  Chinyanga 
  fly-belt, 
  a 
  smaller 
  block 
  of 
  

   acacia 
  woodland 
  south-east 
  of 
  the 
  main 
  one 
  already 
  described. 
  

  

  b 
  

  

  TS.FL'ZX. 
  

  

  30gI3» 
  p 
  

  

  Fig. 
  3. 
  Puparia 
  of 
  (a) 
  Glossina 
  morsitans, 
  Westw., 
  and 
  (b) 
  G. 
  swynnertoni, 
  Austen, 
  

  

  ventral 
  view, 
  x 
  12. 
  

  

  ' 
  ' 
  My 
  fly-boys, 
  arriving 
  in 
  Mwanza 
  a 
  few 
  days 
  before 
  myself, 
  were 
  shown 
  specimens 
  

   of 
  this 
  fly 
  by 
  Dr. 
  G. 
  Maclean 
  and 
  Mr. 
  A. 
  M. 
  D. 
  Turnbull 
  (Medical 
  Officer 
  and 
  Senior 
  

   Commissioner), 
  and 
  were 
  deceived 
  by 
  its 
  coloration 
  into 
  regarding 
  it 
  as 
  a 
  form 
  of 
  

   G. 
  palpalis 
  (which 
  they 
  knew). 
  They 
  insisted 
  that 
  it 
  was 
  not 
  G. 
  morsitans, 
  which 
  

   they 
  knew 
  well 
  also, 
  having 
  collected 
  this 
  species 
  in 
  various 
  parts 
  of 
  Tanganyika 
  

   Territo^. 
  I 
  was 
  similarly 
  puzzled 
  on 
  arrival, 
  and 
  could 
  think 
  only 
  of 
  G. 
  longipalpis 
  

  

  * 
  Cf. 
  Swynnerton, 
  C. 
  F. 
  M., 
  " 
  An 
  Examination 
  of 
  the 
  Tsetse 
  Problem 
  in 
  North 
  Mossurise, 
  

   Portuguese 
  East 
  Africa 
  " 
  — 
  Bull. 
  Ent. 
  Res., 
  London, 
  xi, 
  4, 
  pp. 
  315-385, 
  Plates 
  ix-xvii, 
  and 
  Map 
  

   fMarch 
  1921). 
  

  

  