﻿190 
  

  

  PROFESSOR 
  R. 
  NEWSTEAD. 
  F.R.S. 
  

  

  (J. 
  — 
  3rd 
  segment 
  of 
  the 
  antennae 
  slightly 
  longer 
  than 
  the 
  corresponding 
  segment 
  

   in 
  the 
  5 
  ; 
  4th 
  segment 
  reaching 
  just 
  beyond 
  the 
  tip 
  of 
  the 
  proboscis 
  ; 
  distal 
  extremities 
  

   of 
  the 
  geniculated 
  spines 
  on 
  the 
  3rd-15th 
  segments, 
  inclusive, 
  reaching 
  to 
  or 
  just 
  

   beyond 
  the 
  articulation 
  of 
  the 
  succeeding 
  segment. 
  Genital 
  armature 
  (fig. 
  10, 
  b) 
  : 
  

   inferior 
  claspers 
  or 
  appendages 
  longer 
  than 
  the 
  basal 
  segment 
  of 
  the 
  superior 
  claspers 
  ; 
  

   the 
  latter 
  (fig. 
  10, 
  c, 
  d, 
  e) 
  with 
  4 
  unequal 
  spathuliform 
  or 
  oar-shaped 
  spines, 
  the 
  three 
  

   distal 
  ones 
  distinctly 
  separated 
  (e) 
  and 
  the 
  terminal 
  one 
  the 
  longest 
  ; 
  the 
  4th, 
  

   about 
  equal 
  in 
  length 
  to 
  the 
  distal 
  one, 
  arises 
  a 
  little 
  proximal 
  to 
  the 
  centre 
  of 
  the 
  

   segment 
  ; 
  a 
  single 
  fine 
  short 
  bristle 
  is 
  placed 
  slightly 
  dorsal 
  to 
  the 
  distal 
  spine 
  ; 
  this 
  

   rarely 
  breaks 
  away, 
  as 
  do 
  the 
  hairs 
  which 
  clothe 
  the 
  segment 
  ; 
  figure 
  10 
  (c, 
  d, 
  e) 
  shows 
  

   three 
  different 
  views 
  of 
  the 
  anterior 
  segment 
  of 
  the 
  superior 
  claspers, 
  the 
  outer 
  lateral, 
  

   the 
  inner 
  lateral 
  and 
  the 
  ventral, 
  respectively. 
  There 
  is 
  a 
  well-marked 
  group 
  of 
  

   cicatrices 
  at 
  the 
  base 
  of 
  the 
  segment 
  (fig. 
  10, 
  e 
  x 
  ), 
  but 
  the 
  spines 
  or 
  hairs 
  are 
  invariably 
  

   broken 
  away 
  in 
  my 
  material. 
  Basal 
  segment 
  of 
  the 
  superior 
  claspers 
  with 
  a 
  densely 
  

   packed, 
  linear 
  group 
  of 
  fine 
  hairs 
  or 
  bristles 
  (fig. 
  10 
  b 
  i). 
  

  

  Thus 
  it 
  will 
  be 
  seen 
  there 
  are 
  several 
  well 
  marked 
  characters. 
  The 
  short 
  3rd 
  

   antennal 
  segment 
  in 
  both 
  sexes 
  ; 
  the 
  long 
  and 
  strikingly 
  characteristic 
  geniculated 
  

   spines 
  (a) 
  ; 
  the 
  well-marked 
  group 
  of 
  fine 
  spinose 
  hairs 
  (b 
  L 
  ) 
  ou 
  the 
  basal 
  segment 
  

   of 
  the 
  superior 
  claspers 
  ; 
  the 
  arrangement 
  of 
  the 
  large 
  spines 
  on 
  the 
  distal 
  segments 
  

   of 
  the 
  superior 
  claspers 
  and 
  the 
  presence 
  of 
  the 
  fine 
  terminal 
  bristle 
  ; 
  and 
  the 
  well- 
  

   marked 
  group 
  of 
  cicatrices 
  (ei). 
  

  

  The 
  palpal 
  formula 
  is 
  as 
  Lutx 
  & 
  Neiva 
  describe 
  it 
  in 
  their 
  P. 
  longipalpis. 
  If 
  

   the 
  specimens 
  herein 
  described 
  should 
  eventually 
  prove 
  to 
  be 
  new 
  I 
  would 
  suggest 
  

   the 
  name 
  walkeri 
  in 
  honour 
  of 
  the 
  discoverer. 
  

  

  Phlebotomus 
  stantoni, 
  sp. 
  nov. 
  (fig. 
  11). 
  

   §. 
  — 
  Length, 
  2*1 
  mm. 
  Wing, 
  1*9 
  mm. 
  

   cJ. 
  — 
  Unknown. 
  

  

  Fig. 
  11. 
  Phlebotomus 
  stantoni, 
  sp.n., 
  $ 
  ; 
  

  

  a, 
  distal 
  portion 
  of 
  tarsus, 
  X 
  225 
  ; 
  b, 
  two 
  segments 
  of 
  the 
  antenna, 
  X 
  225 
  ; 
  c, 
  proximal 
  

   portion 
  of 
  antenna 
  ; 
  c 
  u 
  verticel 
  of 
  hair-like 
  scales, 
  X 
  150 
  ; 
  d, 
  palpus, 
  X 
  150. 
  

  

  A 
  medium-sized 
  species 
  distinguishable 
  by 
  the 
  silvery 
  grey, 
  recumbent 
  hairs 
  on 
  

   the 
  venter 
  of 
  the 
  abdomen 
  ; 
  in 
  the 
  palpi, 
  by 
  the 
  unusually 
  short 
  4th 
  segment, 
  and 
  

  

  