﻿MONGEELISATION 
  IN 
  LEPIDOPTERA. 
  67 
  

  

  j8. 
  A 
  5 
  helice, 
  captured 
  in 
  the 
  south 
  of 
  France 
  by 
  Chapman, 
  laid 
  freely 
  

   in 
  England, 
  and 
  a 
  long 
  series 
  of 
  imagines 
  was 
  bred 
  by 
  Main 
  and 
  

   Harrison, 
  the 
  percentage 
  of 
  the 
  edusa 
  and 
  helice 
  forms 
  of 
  the 
  females 
  

   working 
  out 
  as 
  follows 
  : 
  — 
  

  

  Total 
  specimens. 
  . 
  s 
  s= 
  79 
  53% 
  

  

  type.. 
  ?s 
  = 
  19) 
  71 
  13 
  %U 
  7 
  o/ 
  

  

  var...?s= 
  52[ 
  a 
  34%p 
  //o 
  

  

  150 
  100 
  

  

  Of 
  the 
  ? 
  type= 
  19 
  27% 
  

  

  variety^ 
  52 
  73% 
  

  

  71 
  100 
  

  

  