﻿58 
  

  

  BRITISH 
  LEPIDOPTERA. 
  

  

  Of 
  the 
  43 
  (? 
  s 
  22 
  = 
  51% 
  = 
  type, 
  following 
  the 
  ? 
  parent. 
  

  

  21 
  = 
  49% 
  = 
  var. 
  ,, 
  & 
  

  

  Of 
  the 
  61 
  ?s 
  35 
  = 
  57% 
  = 
  type, 
  following 
  the 
  $ 
  parent. 
  

   26 
  = 
  43% 
  = 
  var. 
  ,, 
  i 
  

  

  As 
  the 
  result 
  of 
  " 
  assembling 
  " 
  at 
  Woodford, 
  in 
  June, 
  1904, 
  it 
  was 
  

   found 
  that 
  : 
  

  

  17= 
  s 
  type 
  =63% 
  

  

  10 
  = 
  var. 
  doubledayaria 
  = 
  '67% 
  

  

  27 
  

  

  100 
  

  

  (Harrison 
  and 
  Main, 
  in 
  litt.) 
  

  

  10. 
  AMPHIDASYS 
  DOUBLEDAYARIA 
  $ 
  X 
  DOUBLEDAYARIA 
  2 
  . 
  (a) 
  The 
  

  

  parentage 
  of 
  these 
  two 
  individuals 
  was 
  as 
  follows 
  : 
  $ 
  — 
  the 
  progeny 
  of 
  

   typical 
  $ 
  (Worthing) 
  x 
  black 
  2 
  (Hull) 
  ; 
  2 
  — 
  the 
  progeny 
  of 
  wild 
  

   black 
  2 
  from 
  Market 
  Drayton. 
  Of 
  the 
  offspring 
  of 
  this 
  pairing 
  (the 
  

   imagines 
  emerging 
  between 
  June 
  2nd 
  and 
  27th, 
  1895) 
  — 
  a 
  very 
  large 
  

   number 
  was 
  bred 
  — 
  about 
  two-thirds 
  were 
  doubledayaria, 
  and 
  one-third 
  

   typical. 
  There 
  were 
  no 
  intermediates 
  (Bankes, 
  in 
  litt.). 
  ($) 
  Some 
  $ 
  s 
  

   and 
  2 
  s 
  of 
  this 
  brood 
  were 
  paired, 
  and 
  a 
  large 
  number 
  of 
  imagines 
  

   bred 
  in 
  May- 
  June, 
  1896. 
  All 
  these 
  were 
  unicolorous 
  black, 
  and 
  all 
  were 
  

   more 
  or 
  less 
  undersized, 
  not, 
  however, 
  for 
  any 
  lack 
  of 
  food, 
  many 
  

   being 
  so 
  small 
  as 
  not 
  to 
  be 
  worth 
  setting 
  (Bankes, 
  in 
  litt.). 
  (y) 
  All 
  the 
  

   progeny 
  black, 
  $ 
  s 
  and 
  ? 
  s 
  (Newey, 
  Ent., 
  xxix., 
  p. 
  222). 
  

  

  11. 
  Hemerophila 
  abruptaria 
  $ 
  xfuscata 
  $ 
  . 
  — 
  (a) 
  An 
  ab. 
  fuscata 
  2 
  

   taken 
  in 
  north 
  London 
  paired 
  with 
  typical 
  $ 
  , 
  May 
  22nd, 
  1896. 
  

   Larvae 
  from 
  this 
  pairing 
  fed 
  up 
  (number 
  not 
  stated) 
  about 
  half 
  

   emerging 
  in 
  August, 
  1896, 
  among 
  which 
  was 
  only 
  one 
  fuscata, 
  the 
  

   rest 
  typical, 
  the 
  other 
  half 
  emerging 
  in 
  May, 
  1897, 
  among 
  which 
  were 
  

   only 
  five 
  fuscata, 
  the 
  number 
  of 
  intermediates 
  and 
  typical 
  forms 
  not 
  

   being 
  stated 
  (Southey, 
  Ent. 
  Rec, 
  x., 
  p. 
  122). 
  (p) 
  Two 
  broods 
  with 
  

   this 
  parentage, 
  reared 
  by 
  Hamling, 
  in 
  May 
  and 
  June, 
  1904, 
  gave 
  the 
  

   following 
  results 
  : 
  

  

  Broods. 
  

  

  No. 
  pupated, 
  

  

  23 
  

  

  32 
  

  

  No. 
  type 
  bred. 
  

  

  S 
  ? 
  

  

  No.fuxcata 
  bred. 
  

  

  Pupae 
  died. 
  

  

  (y) 
  Another 
  pairing 
  obtained 
  May 
  26th, 
  1904. 
  Of 
  the 
  offspring, 
  

   18 
  were 
  reared 
  in 
  August 
  of 
  the 
  year, 
  10 
  $ 
  s, 
  5 
  abruptaria 
  and 
  5 
  

   fuscata, 
  and 
  8 
  $ 
  s, 
  4 
  abruptaria 
  and 
  4 
  fuscata. 
  The 
  fuscata 
  $ 
  s 
  were 
  

   darker 
  than 
  the 
  ? 
  s 
  but 
  very 
  small, 
  much 
  less 
  than 
  the 
  light 
  specimens 
  

   of 
  the 
  same 
  brood 
  (Harris, 
  Proc. 
  Ent. 
  Soc. 
  Lond., 
  1904, 
  p. 
  lxxii), 
  two 
  

   of 
  the 
  same 
  brood 
  emerged 
  April, 
  1905, 
  1 
  $ 
  and 
  1 
  2 
  abruptaria 
  (in 
  

   litt.). 
  (S) 
  A 
  pairing 
  from 
  Harris' 
  brood 
  13a 
  (m/'ra),made 
  May, 
  1905, 
  of 
  

   $ 
  abruptaria 
  x 
  2 
  fuscata, 
  produced 
  in 
  August, 
  1905, 
  19 
  $ 
  s 
  and 
  14 
  £ 
  s 
  

   of 
  fuscata, 
  and 
  7 
  $ 
  s 
  and 
  8 
  2 
  s 
  of 
  abruptaria 
  [14 
  pupge 
  had 
  not 
  yet 
  

   changed 
  on 
  September 
  25th] 
  . 
  

  

  12. 
  Hemerophila 
  fuscata 
  $ 
  x 
  abruptaria 
  2 
  • 
  — 
  ( 
  a 
  ) 
  Pair 
  found 
  in 
  

   cop. 
  in 
  nature 
  in 
  North 
  London 
  on 
  May 
  23rd, 
  1895. 
  The 
  progeny 
  

   from 
  these 
  resulted 
  in 
  30-40 
  imagines 
  in 
  1896. 
  The 
  percentage 
  of 
  

   typical 
  (pale), 
  intermediate 
  (brunneata), 
  and 
  dark 
  (fuscata) 
  forms 
  not 
  

   recorded 
  (Pearce, 
  Ent. 
  Rec, 
  x., 
  p. 
  121). 
  (j3) 
  Four 
  broods 
  of 
  this 
  

   parentage 
  reared 
  by 
  Hamling, 
  in 
  May 
  and 
  June, 
  1904, 
  resulted 
  as 
  

   follows 
  : 
  — 
  

  

  