﻿134 
  

  

  W. 
  A. 
  LAMBORN 
  

  

  Anopheles 
  subpictus 
  var. 
  malayensis. 
  

  

  The 
  months 
  of 
  oviposition 
  and 
  the 
  number 
  of 
  ova 
  secured 
  were 
  :- 
  

  

  April 
  

   1920. 
  

  

  May. 
  

  

  June. 
  

  

  July. 
  

  

  Aug. 
  

  

  Sept. 
  

  

  Oct. 
  

  

  Nov. 
  

  

  Dec. 
  

  

  Jan. 
  

   1921. 
  

  

  Feb. 
  

  

  March. 
  

  

  ' 
  

  

  

  

  ■ 
  — 
  

  

  — 
  

  

  ■ 
  — 
  

  

  ■ 
  — 
  

  

  ■ 
  — 
  

  

  88 
  

   62 
  

   10 
  

   34 
  

   114 
  

   68 
  

   32 
  

  

  87 
  

   79 
  

   114 
  

   82 
  

   52 
  

  

  

  

  — 
  

  

  

  

  The 
  average 
  number 
  of 
  ova 
  for 
  each 
  parent, 
  based 
  on 
  the 
  data 
  from 
  12, 
  works 
  

   out 
  at 
  68, 
  the 
  maximum 
  number 
  from 
  a 
  single 
  parent 
  having 
  been 
  114. 
  

  

  Anopheles 
  ludlowi. 
  

  

  The 
  months 
  of 
  oviposition 
  and 
  the 
  number 
  of 
  ova 
  secured 
  were 
  : 
  — 
  

  

  April 
  

   1920. 
  

  

  May. 
  

  

  June. 
  

  

  July. 
  

  

  Aug. 
  

  

  Sept. 
  

  

  Oct. 
  

  

  Nov. 
  

  

  Dec. 
  

  

  Jan. 
  

   1921. 
  

  

  Feb. 
  

  

  March. 
  

  

  ■ 
  — 
  

  

  ■ 
  — 
  

  

  ■ 
  — 
  

  

  — 
  

  

  ■ 
  — 
  

  

  

  

  120 
  

   50 
  

  

  63 
  

  

  28 
  

  

  — 
  

  

  — 
  

  

  

  

  The 
  average 
  number 
  of 
  ova 
  for 
  each 
  parent, 
  based 
  on 
  data 
  from 
  4, 
  works 
  out 
  

   at 
  65, 
  the 
  maximum 
  number 
  from 
  a 
  single 
  parent 
  having 
  been 
  120. 
  

  

  Anopheles 
  aconitus. 
  

  

  The 
  months 
  of 
  oviposition 
  and 
  the 
  number 
  of 
  ova 
  secured 
  were 
  : 
  — 
  

  

  April 
  

   1920. 
  

  

  May. 
  

  

  June. 
  

  

  July. 
  

  

  Aug. 
  

  

  Sept. 
  

  

  Oct. 
  

  

  Nov. 
  

  

  Dec. 
  

  

  Jan. 
  

   1921. 
  

  

  Feb. 
  

  

  March. 
  

  

  60 
  

  

  79 
  

  

  70 
  

  

  61 
  

   74 
  

   37 
  

   40 
  

  

  23 
  

   104 
  

  

  43 
  

   3 
  

   8 
  

  

  64 
  

  

  79 
  

  

  72 
  

  

  67 
  

   56 
  

   30 
  

  

  65 
  

   51 
  

  

  6 
  

   93 
  

   59 
  

   90 
  

   92 
  

   24 
  

  

  7 
  

   79 
  

  

  3 
  

  

  4 
  

   46 
  

   58 
  

   75 
  

   117 
  

   72 
  

   61 
  

  

  5 
  

  

  50 
  

  

  98 
  

  

  73 
  

  

  106 
  

  

  56 
  

   52 
  

   81 
  

  

  80 
  

   91 
  

  

  62 
  

   31 
  

  

  47 
  

  

  101 
  

  

  50 
  

  

  81 
  

  

  48 
  

  

  ■ 
  — 
  

  

  36 
  

   60 
  

   76 
  

   22 
  

   72 
  

   59 
  

   47 
  

   70 
  

   83 
  

  

  