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  and 
  my 
  present 
  purpose 
  is 
  with 
  the 
  wings 
  only. 
  In 
  those 
  with 
  

   transparent 
  wings, 
  the 
  colour 
  is 
  sometimes 
  a 
  mere 
  flush, 
  becoming 
  

   in 
  others 
  more 
  pronounced 
  as 
  opacity 
  increases, 
  but 
  every 
  dried 
  

   specimen 
  lacks 
  the 
  brilliancy 
  of 
  a 
  living 
  one. 
  It 
  will 
  be 
  apparent 
  

   to 
  all, 
  that 
  the 
  specimens 
  exhibited 
  only 
  show 
  in 
  a 
  general 
  way 
  the 
  

   colours 
  designated, 
  no 
  pretence 
  at 
  exactness 
  is 
  claimed, 
  though 
  I 
  do 
  

   not 
  doubt 
  Nature 
  can 
  show 
  examples 
  through 
  every 
  grade 
  of 
  colour, 
  

   shade, 
  and 
  tint. 
  

  

  " 
  For 
  Red. 
  — 
  I 
  show 
  the 
  well-known 
  European 
  OEdipoda 
  miniata 
  

   (Pall.), 
  Jura, 
  Acrotyliis 
  imnbi-icuH, 
  S. 
  France, 
  PsopliHn 
  stridulus, 
  

   Savoy, 
  and 
  Hippisctts 
  dlscoidem 
  (Serv.), 
  Indiana. 
  The 
  so-called 
  ^ 
  

   ' 
  Coral 
  ' 
  locust. 
  

  

  " 
  Okange 
  — 
  Yellow.— 
  J 
  77*/(/rt 
  xantJioptera 
  $ 
  (Burm.), 
  and 
  A. 
  

   carinata 
  (Scudder). 
  These 
  two 
  N. 
  American 
  species 
  are 
  orange 
  in 
  

   the 
  male 
  and 
  yellow 
  in 
  the 
  female. 
  (IHdipoda 
  flava 
  (Linn.), 
  is 
  a 
  

   widely 
  distributed, 
  but 
  chiefly 
  African, 
  species. 
  

  

  " 
  Green. 
  — 
  There 
  are 
  plenty 
  of 
  green 
  species, 
  but 
  comparatively 
  

   few 
  with 
  green 
  wings. 
  Those 
  species 
  of 
  Plianevopterunr, 
  whose 
  

   wings 
  are 
  longer 
  than 
  the 
  tegmina, 
  have 
  green 
  tips, 
  such 
  as 
  Micro- 
  \/ 
  

   centrum 
  laurifoliuin 
  (Linn.), 
  N. 
  America, 
  Phmieroptera 
  falcata 
  

   (Sco.), 
  Europe, 
  and 
  Aniblycorypha 
  uhleri 
  (Brunner), 
  N. 
  America. 
  

  

  " 
  Blue. 
  — 
  (Edipoda 
  aerulescens 
  (Linn.), 
  and 
  Sphinr/onotus 
  azures- 
  

   cens 
  (Ramb.), 
  are 
  two 
  well-known 
  and 
  striking 
  species 
  from 
  France 
  

   and 
  Spain. 
  

  

  *' 
  Indigo. 
  — 
  I 
  have 
  no 
  pronounced 
  examples 
  of 
  indigo, 
  but 
  the 
  

   basal 
  portion 
  of 
  the 
  wings 
  of 
  Phywateus 
  morbillosus 
  (Linn.), 
  seems 
  

   to 
  shade 
  in 
  that 
  direction, 
  and 
  there 
  is 
  a 
  flush 
  of 
  the 
  same 
  colour 
  in 
  

   an 
  unnamed 
  species 
  from 
  Demerara. 
  

  

  "Violet. 
  — 
  I 
  have 
  no 
  violet 
  examples, 
  but 
  as 
  purple 
  is 
  not 
  so 
  very 
  far 
  

   removed, 
  perhaps 
  Cyrtacmithacris 
  sejttenifasciaia 
  (Serv.) 
  = 
  C. 
  purpnri- 
  

   fera 
  (Walker), 
  a 
  large 
  and 
  sometimes 
  destructive 
  locust 
  of 
  S. 
  Africa, 
  

   with 
  the 
  base 
  of 
  the 
  wings 
  purple, 
  may 
  pass 
  as 
  a 
  poor 
  substitute. 
  

   The 
  same 
  apology, 
  too, 
  for 
  the 
  very 
  variable 
  Arplda 
  sulphurea 
  from 
  

   the 
  Upper 
  Amazon, 
  and 
  Pcecilocera 
  pennicurnis 
  from 
  the 
  Transvaal. 
  

  

  " 
  The 
  ' 
  Ichabod 
  ' 
  shown 
  was 
  originally 
  the 
  most 
  beautiful 
  S. 
  hi- 
  

   color 
  I 
  have 
  seen, 
  it 
  is 
  now 
  doing 
  duty 
  for 
  the 
  ultra 
  violet 
  rays. 
  

  

  " 
  There 
  is 
  another 
  phase 
  of 
  the 
  colouring 
  of 
  the 
  Orthoptera 
  which 
  

   perhaps 
  would 
  have 
  interested 
  you 
  more, 
  that 
  is 
  changes 
  which 
  

   occur 
  during 
  life, 
  or 
  appear 
  as 
  seasonal 
  forms, 
  or 
  present 
  a 
  protec- 
  

   tive 
  resemblance 
  to 
  something, 
  or 
  when 
  the 
  normal 
  colouring 
  is 
  

   protective, 
  becomes 
  attractive 
  in 
  a 
  variety, 
  and 
  so 
  on. 
  But 
  if 
  those 
  

  

  