﻿A 
  New 
  Family 
  of 
  Lepidoptera, 
  the 
  AntJielidae 
  417 
  

  

  in 
  the 
  other 
  absent, 
  having 
  evidently 
  been 
  lost 
  by 
  the 
  

   coalescence 
  of 
  the 
  cross-vein 
  with 
  the 
  wall 
  of 
  the 
  areole. 
  

  

  How 
  can 
  this 
  pecuUar 
  structure 
  be 
  explained? 
  Some 
  

   light 
  is 
  thrown 
  on 
  it 
  by 
  the 
  fore-wing 
  of 
  Chelepteryx 
  collesi 
  

   Gray. 
  In 
  this 
  very 
  large 
  moth 
  — 
  it 
  expands 
  140 
  to 
  170 
  mm. 
  

   - 
  — 
  it 
  is 
  evident 
  that 
  veins 
  10 
  and 
  9 
  are 
  normally 
  stalked, 
  

   while 
  9 
  soon 
  after 
  its 
  origin 
  is 
  connected 
  by 
  a 
  short 
  cross- 
  

   bar 
  with 
  8, 
  so 
  forming 
  the 
  areole. 
  An 
  oblique 
  cross-vein 
  

   formed 
  by 
  a 
  strong 
  chitinous 
  ridge 
  arises 
  very 
  near 
  11, 
  runs 
  

   across 
  10 
  and 
  9 
  after 
  their 
  bifurcation, 
  and 
  ends 
  on 
  the 
  cross- 
  

   bar, 
  which 
  connects 
  9 
  and 
  8. 
  The 
  use 
  of 
  such 
  a 
  structure 
  in 
  

   this 
  large 
  unwieldy 
  insect 
  is 
  evidently 
  to 
  strengthen 
  the 
  

  

  Fig. 
  4. 
  — 
  Areole, 
  Anthda 
  acuta 
  

   Wlk. 
  

  

  Fig. 
  5.- 
  

  

  -Areole, 
  Chdepteryx 
  collesi 
  

   Gray. 
  

  

  apical 
  part 
  of 
  the 
  fore- 
  wing. 
  It 
  is 
  an 
  adventitious 
  develop- 
  

   ment, 
  and 
  forms 
  no 
  part 
  of 
  the 
  true 
  areole. 
  

  

  In 
  an 
  archaic 
  genus 
  from 
  Queensland 
  hitherto 
  unnamed, 
  

   which 
  I 
  name 
  Gephyroneura,^' 
  there 
  is 
  a 
  similar 
  bar 
  running 
  

   from 
  11 
  across 
  vein 
  10, 
  but 
  here 
  the 
  original 
  structure 
  has 
  

   been 
  obscured 
  by 
  the 
  partial 
  loss 
  of 
  the 
  areole, 
  by 
  the 
  

   coalescence 
  of 
  10 
  with 
  the 
  chorda, 
  so 
  that 
  7, 
  8, 
  9, 
  and 
  10 
  are 
  

   long-stalked 
  from 
  the 
  upper 
  angle 
  of 
  the 
  cell. 
  The 
  distal 
  

   extremity 
  of 
  the 
  areole 
  is, 
  however, 
  preserved 
  as 
  a 
  small 
  

   triangle 
  from 
  which 
  the 
  veins 
  7, 
  8, 
  9, 
  and 
  10 
  arise 
  separately. 
  

   Extremely 
  similar 
  to 
  Gephyroneura 
  in 
  appearance 
  and 
  closely 
  

   alhed 
  to 
  it 
  is 
  Munychryta 
  Wlk. 
  Here 
  the 
  areole 
  is 
  pre- 
  

   served, 
  but 
  the 
  oblique 
  cross-bar 
  from 
  11 
  has 
  fused 
  with 
  

  

  * 
  yefvpovevpos, 
  with 
  bridged 
  veins. 
  

   TRANS. 
  ENT. 
  SOC. 
  LOND. 
  1919. 
  — 
  PARTS 
  III, 
  IV. 
  (dEC.) 
  E 
  E 
  

  

  