﻿m 
  

  

  ERNEST 
  E. 
  AUSTEN. 
  

  

  angle 
  near 
  base 
  ; 
  dorsum 
  of 
  abdomen 
  with 
  four 
  longitudinal 
  rows 
  of 
  oblique, 
  elongate, 
  

   mummy-brown 
  markings, 
  more 
  distinct 
  in 
  § 
  I 
  wings 
  hyaline, 
  stigma 
  brownish 
  olive 
  , 
  

   elongate 
  and 
  distinct, 
  anterior 
  branch 
  of 
  third 
  vein 
  without 
  an 
  appendix. 
  

  

  Head 
  conspicuously 
  enlarged 
  in 
  <J 
  ; 
  face 
  and 
  jowls 
  in 
  both 
  sexes 
  whitish 
  

   pollinose 
  and 
  clothed 
  with 
  whitish 
  hair, 
  a 
  faint, 
  not 
  always 
  distinguishable 
  

   infuscation 
  between 
  base 
  of 
  each 
  antenna 
  and 
  corresponding 
  eye 
  ; 
  occiput 
  pallid 
  

   neutral 
  grey 
  pollinose, 
  its 
  upper 
  margin 
  fringed 
  behind 
  with 
  erect, 
  pale 
  yellowish 
  

   hair, 
  very 
  short 
  in 
  Q 
  9 
  longer 
  and 
  somewhat 
  curved 
  forward 
  in 
  (J, 
  frontal 
  triangle 
  

   in 
  <J 
  and 
  front 
  and 
  sub-callus 
  in 
  J 
  pale 
  smoke 
  grey 
  or 
  smoke 
  grey 
  pollinose, 
  front 
  

   in 
  $ 
  clothed 
  with 
  minute, 
  appressed, 
  pale 
  ochreous 
  hairs, 
  and 
  its 
  ground-colour 
  

   somewhat 
  darker 
  (mouse 
  grey) 
  in 
  vertical 
  region 
  ; 
  shining 
  transverse 
  band 
  on 
  

   frontal 
  triangle 
  in 
  <J 
  nearly 
  twice 
  as 
  deep 
  as 
  corresponding 
  band 
  on 
  subcallus 
  in 
  

   $ 
  and 
  much 
  darker 
  (clove 
  brown), 
  its 
  upper 
  margin 
  level 
  with 
  upper 
  border 
  of 
  

   area 
  of 
  small 
  facets 
  forming 
  rather 
  less 
  than 
  lower 
  third 
  of 
  eyes, 
  and 
  its 
  lower 
  

  

  Fig. 
  9. 
  Tabanus 
  arenivagus, 
  Austen, 
  $. 
  X 
  4. 
  

  

  margin 
  separated 
  from 
  base 
  of 
  antennae 
  by 
  a 
  space 
  equal 
  to 
  about 
  half 
  the 
  depth 
  

   of 
  the 
  band 
  ; 
  [corresponding 
  band 
  in 
  $ 
  brownish 
  olive 
  or 
  isabella-coloured, 
  and 
  

   occupying 
  rather 
  more 
  than 
  upper 
  half 
  of 
  subcallus 
  ; 
  front 
  in 
  2 
  of 
  medium 
  width, 
  

   distinctly 
  narrower 
  below, 
  neither 
  callus 
  in 
  contact 
  with 
  eyes, 
  lower 
  callus 
  quadrate, 
  

   shining, 
  light 
  sepia-coloured 
  and 
  situate 
  well 
  above 
  inner 
  angles 
  of 
  eyes, 
  upper 
  

   callus 
  much 
  larger 
  and 
  darker 
  (seal 
  brown 
  or 
  dark 
  brown) 
  than 
  lower, 
  not 
  shining, 
  

   quadrate, 
  situate 
  just 
  below 
  midway 
  between 
  vertex 
  and 
  lower 
  callus, 
  with 
  which 
  

   it 
  is 
  not 
  connected, 
  and 
  generally 
  with 
  a 
  more 
  or 
  less 
  distinct 
  longitudinal 
  groove 
  

   or 
  depression 
  in 
  middle 
  line 
  ; 
  area 
  of 
  enlarged 
  facets 
  in 
  eye 
  of 
  <$ 
  sharply 
  defined, 
  

   bluntly 
  triangular 
  in 
  outline, 
  and 
  occupying 
  rather 
  more 
  than 
  upper 
  two-thirds, 
  

   with 
  exception 
  of 
  a 
  narrow 
  hind 
  border 
  of 
  uniform 
  width 
  ; 
  eyes 
  of 
  £ 
  in 
  life 
  

   with 
  area 
  of 
  enlarged 
  facets 
  pinkish 
  isabella-coloured 
  above, 
  light 
  grey 
  on 
  

   lower 
  border; 
  area 
  of 
  small 
  facets 
  with 
  hind 
  border 
  dark 
  brown, 
  with 
  greenish 
  

   reflections, 
  lower 
  border 
  greenish-bronze, 
  with 
  two 
  narrow, 
  purplish-brown, 
  

  

  