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  BKITISH 
  LEPIDOPTERA. 
  

  

  2b. 
  Pale 
  ochreous, 
  or 
  greyish-ochreous, 
  with 
  ochreous 
  markings 
  = 
  ab. 
  ochrea- 
  

   inter 
  media, 
  n. 
  ab. 
  

  

  2c. 
  Pale 
  ochreous, 
  or 
  greyish-ochreous, 
  with 
  obsolete 
  markings 
  = 
  ab. 
  obsoleta- 
  

   intermedia, 
  n. 
  ab. 
  

  

  3a. 
  Yellowish-fuscous, 
  or 
  dirty 
  greyish-brown, 
  with 
  white 
  markings 
  = 
  

   distans, 
  Zell. 
  

  

  3b. 
  Yellowish-fuscous, 
  or 
  dirty 
  greyish-brown, 
  with 
  ochreous 
  markings 
  = 
  ab. 
  

   ochrea-distans, 
  n. 
  ab. 
  

  

  3c. 
  Yellowish-fuscous, 
  or 
  dirty 
  greyish-brown, 
  with 
  obsolete 
  markings 
  = 
  ab. 
  

   obsoleta-distans, 
  n. 
  ab. 
  

  

  So 
  much 
  for 
  the 
  variation 
  as 
  exhibited 
  in 
  our 
  own 
  series 
  of 
  com- 
  

   paratively 
  recently 
  caught 
  British 
  examples. 
  For 
  further 
  comparison 
  

   we 
  have 
  in 
  our 
  possession 
  some 
  30 
  other 
  specimens 
  from 
  various 
  British 
  

   and 
  continental 
  sources, 
  viz., 
  (1) 
  Two 
  British 
  examples, 
  bred 
  by 
  

   Norgate, 
  in 
  July, 
  1892, 
  from 
  pupae 
  obtained 
  in 
  Suffolk, 
  particularly 
  

   strongly 
  marked 
  with 
  fuscous, 
  and 
  these 
  tally 
  almost 
  exactly 
  with 
  (2) 
  four 
  

   specimens 
  sent 
  by 
  Zeller 
  to 
  Barrett 
  as 
  distans, 
  and 
  labelled 
  "Rhaetia," 
  

   so 
  that 
  one 
  may 
  safely 
  assume 
  that 
  they 
  are 
  from 
  Bergiin, 
  where 
  the 
  

   examples, 
  although 
  "generally 
  larger 
  than 
  those 
  from 
  North 
  Germany 
  " 
  

   (see 
  Stett. 
  Ent. 
  Ztg., 
  1878, 
  p. 
  163), 
  yet 
  one 
  supposes 
  to 
  be 
  not 
  very 
  dis- 
  

   similar 
  to 
  those 
  from 
  Glogau, 
  where 
  Zeller 
  found 
  the 
  species 
  not 
  at 
  all 
  

   common, 
  and 
  of 
  a 
  form 
  which 
  he 
  says 
  (Linn. 
  Ent., 
  vi., 
  p. 
  346) 
  is 
  like 
  the 
  

   Syracuse 
  (Neapolis) 
  (<? 
  ) 
  and 
  Maori 
  ( 
  $ 
  ) 
  specimens 
  [described 
  (his, 
  1847, 
  

   p. 
  902) 
  as 
  the 
  typical 
  examples 
  of 
  distans] 
  , 
  and 
  a 
  single 
  specimen 
  from 
  

   Dalmatia. 
  These 
  are 
  the 
  darkest, 
  largest, 
  and 
  coarsest-scaled 
  ex- 
  

   amples 
  of 
  distans 
  known 
  to 
  us. 
  The 
  nearest 
  approach 
  to 
  these 
  are 
  

   (3) 
  seven 
  examples 
  from 
  St. 
  Michel-de-Maunenne, 
  taken 
  August 
  

   lst-5th, 
  1897 
  ; 
  they 
  are 
  less 
  fuscous, 
  but 
  still 
  belong 
  rather 
  to 
  the 
  

   distans 
  form 
  noted 
  above 
  than 
  to 
  any 
  other 
  dealt 
  with. 
  [It 
  is 
  to 
  be 
  

   noticed 
  that, 
  of 
  these, 
  the 
  Suffolk 
  examples 
  were 
  bred 
  at 
  the 
  end 
  of 
  

   July, 
  the 
  St. 
  Michel 
  specimens 
  were 
  taken 
  in 
  early 
  August, 
  the 
  Glogau 
  

   examples 
  also 
  in 
  July, 
  the 
  Syracuse 
  example 
  in 
  May, 
  and 
  the 
  Maori 
  

   specimen 
  in 
  September, 
  so 
  that 
  Barrett's 
  idea 
  that 
  distans 
  consisted 
  of 
  

   specimens 
  of 
  the 
  first 
  brood 
  is 
  hardly 
  supported 
  by 
  the 
  facts.] 
  Allied 
  

   to 
  this 
  form, 
  but 
  not 
  quite 
  so 
  closely, 
  since 
  they 
  are 
  not 
  quite 
  shaded 
  

   to 
  the 
  same 
  extent 
  with 
  fuscous, 
  are 
  (4) 
  two 
  examples 
  taken 
  — 
  one 
  at 
  

   Hyeres, 
  April 
  28th, 
  1905, 
  and 
  the 
  other 
  at 
  Draguignan, 
  May 
  4th, 
  

   1905, 
  of 
  a 
  pale 
  greyish- 
  yellow, 
  very 
  slightly 
  shaded 
  with 
  fuscous, 
  and 
  

   with 
  faint 
  markings, 
  except 
  the 
  second 
  inner 
  line 
  which 
  is 
  very 
  well 
  

   developed 
  ; 
  these 
  are 
  particularly 
  characterised 
  by 
  their 
  pallid 
  appear- 
  

   ance. 
  We 
  have 
  also 
  under 
  observation 
  (5) 
  a 
  large 
  specimen 
  taken 
  by 
  

   Chapman 
  in 
  Macugnaga, 
  of 
  the 
  colour 
  of 
  Norgate's 
  bred, 
  and 
  Zeller's 
  

   Rhaetian, 
  examples. 
  (6) 
  A 
  long 
  series 
  of 
  British-caught 
  specimens, 
  

   without 
  data, 
  from 
  the 
  " 
  Mason 
  collection," 
  mostly 
  of 
  a 
  pale 
  

   ochreous 
  tint, 
  and 
  with 
  scarcely 
  any 
  fuscous 
  in 
  any 
  of 
  the 
  ex- 
  

   amples 
  (? 
  faded), 
  the 
  range 
  of 
  tint 
  extending 
  from 
  pale 
  ochreous 
  to 
  a 
  

   distinct 
  reddish 
  or 
  rusty- 
  brown. 
  Besides 
  these 
  Ave 
  have 
  for 
  com- 
  

   parison 
  (1) 
  a 
  single 
  specimen 
  sent 
  by 
  Zeller 
  to 
  Barrett 
  as 
  laetus, 
  and 
  

   labelled 
  " 
  Messina," 
  which 
  is 
  probably 
  one 
  of 
  the 
  three 
  original 
  

   examples 
  noted 
  by 
  Zeller 
  in 
  his 
  original 
  description 
  of 
  laetus 
  (Ids, 
  

   1847, 
  p. 
  903), 
  and 
  taken 
  in 
  July 
  (see 
  postea). 
  [Superficially 
  this 
  bears 
  

   considerable 
  resemblance 
  to 
  our 
  two 
  Riviera 
  specimens, 
  noted 
  above, 
  

   the 
  latter 
  being, 
  however, 
  slightly 
  more 
  tinged 
  with 
  fuscous.] 
  

   (2) 
  Agreeing 
  almost 
  exactly 
  with 
  Zeller's 
  "Messina" 
  specimen 
  is 
  a 
  

   long 
  series 
  of 
  specimens 
  taken 
  by 
  Chapman 
  in 
  June 
  and 
  July, 
  1903 
  

  

  