﻿400 
  On 
  a 
  new 
  African 
  Corethra. 
  

  

  Abdomen 
  greyish 
  brown, 
  with 
  dark 
  apical 
  borders 
  to 
  the 
  

   segments 
  and 
  pale 
  hairs. 
  Legs 
  unhanded, 
  pale 
  ochreous, 
  

   semitransparent, 
  hairs 
  pale. 
  Wings 
  pale 
  ochreous, 
  rather 
  

   pointed 
  at 
  the 
  tip. 
  

  

  ? 
  . 
  Head 
  black, 
  with 
  a 
  few 
  brown 
  hairs 
  ; 
  proboscis 
  deep 
  

   brown, 
  acuminate, 
  short, 
  with 
  numerous 
  brown 
  hairs, 
  longest 
  

   at 
  the 
  base 
  and 
  tufted 
  apically 
  ; 
  palpi 
  deep 
  brown, 
  with 
  

   brown 
  hairs 
  and 
  some 
  showing 
  paler 
  reflections 
  ; 
  antennae 
  

   brown, 
  with 
  dark 
  basal 
  segment 
  and 
  with 
  pale 
  hairs. 
  

  

  Thorax 
  deep 
  rich 
  brown, 
  with 
  long 
  pale 
  hairs, 
  a 
  median 
  

   line 
  and 
  a 
  somewhat 
  darker 
  area 
  on 
  each 
  side 
  of 
  it 
  in 
  front; 
  

   prothoracic 
  lobes 
  very 
  dark 
  brown, 
  with 
  long 
  pale 
  golden- 
  

   brown 
  hairs 
  ; 
  scutellum 
  dark 
  brown, 
  almost 
  black 
  in 
  some 
  

   lights, 
  with 
  brown 
  hairs 
  with 
  dull 
  golden-brown 
  reflections 
  ; 
  

   metanotum 
  deep 
  brown 
  ; 
  pleura? 
  ochreous 
  with 
  darker 
  

   markings. 
  

  

  Abdomen 
  brown 
  with 
  a 
  greyish 
  sheen, 
  the 
  apical 
  borders 
  

   of 
  the 
  segments 
  dark, 
  the 
  segments 
  spotted 
  with 
  small 
  

   round 
  darker 
  brown 
  spots, 
  each 
  with 
  a 
  dark 
  central 
  spot 
  

   from 
  which 
  arises 
  a 
  brown 
  hair 
  with 
  paler 
  reflections 
  

   apically. 
  

  

  Legs 
  uniformly 
  pale 
  ochreous, 
  with 
  pale 
  hairs 
  which 
  are 
  

   dense 
  ; 
  the 
  ungues 
  equal, 
  simple, 
  dark 
  brown, 
  and 
  rather 
  

   straight. 
  The 
  legs 
  look 
  semitransparent 
  in 
  some 
  lights. 
  

  

  Wings 
  pale 
  ochreous 
  to 
  pale 
  brown, 
  varying 
  in 
  colour 
  in 
  

   different 
  lights, 
  also 
  the 
  hairs; 
  first 
  submarginal 
  cell 
  much 
  

   longer 
  and 
  slightly 
  narrower 
  than 
  the 
  second 
  posterior 
  cell, 
  

   somewhat 
  contracted 
  near 
  the 
  apex, 
  its 
  base 
  nearer 
  the 
  base 
  

   of 
  the 
  wing 
  than 
  the 
  second 
  posterior 
  cell, 
  its 
  stem 
  less 
  than 
  

   one-third 
  the 
  length 
  of 
  the 
  cell 
  ; 
  stem 
  of 
  the 
  second 
  

   posterior 
  about 
  one 
  and 
  two-thirds 
  the 
  length 
  of 
  the 
  cell 
  ; 
  

   posterior 
  cross-vein 
  not 
  quite 
  its 
  own 
  length 
  distant 
  from 
  

   the 
  mid 
  cross-vein. 
  

  

  Halteres 
  pallid. 
  

  

  Length 
  3'5 
  mm. 
  

  

  Hab. 
  Kampala 
  Swamp, 
  Uganda. 
  

  

  Time 
  of 
  capture. 
  25. 
  xi. 
  1909. 
  

  

  Observations, 
  Described 
  from 
  a 
  single 
  female. 
  It 
  differs 
  

   from 
  the 
  other 
  African 
  species 
  so 
  far 
  described 
  (C. 
  cerato- 
  

   pagones, 
  Theobald) 
  in 
  the 
  pale 
  unhanded 
  legs 
  and 
  dark 
  

   thorax. 
  

  

  This 
  specimen 
  was 
  included 
  in 
  a 
  collection 
  of 
  Culicidac 
  

   made 
  by 
  Mr. 
  Fraser, 
  R.A.M.C., 
  and 
  Dr. 
  C. 
  J. 
  Baker, 
  M.O., 
  

   of 
  Kampala, 
  Uganda. 
  

  

  Type 
  in 
  the 
  British 
  Museum 
  (Nat. 
  Hist.). 
  

  

  