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  XVII. 
  Nute 
  on 
  Siphonophora 
  Artocarpi, 
  Westw. 
  (Trans. 
  

   Ent. 
  Soc. 
  LoncL, 
  1890, 
  p. 
  649). 
  By 
  Prof. 
  John 
  

   0. 
  Westwood, 
  M.A., 
  F.L.S., 
  &c. 
  

  

  [Eead 
  July 
  1st, 
  1891.] 
  

  

  I 
  AM 
  indebted 
  to 
  Mr. 
  E. 
  Ernest 
  Green, 
  the 
  discoverer 
  of 
  

   this 
  species 
  in 
  Ceylon, 
  for 
  the 
  following 
  notice 
  of 
  a 
  

   remarkable 
  structure, 
  which 
  I 
  must 
  have 
  overlooked 
  in 
  

   my 
  examination 
  of 
  the 
  specimens 
  which 
  he 
  had 
  been 
  

   good 
  enough 
  to 
  supply 
  me 
  with, 
  and 
  of 
  which 
  I 
  do 
  

   not 
  recollect 
  another 
  instance. 
  In 
  a 
  note 
  from 
  that 
  

   gentleman, 
  dated 
  20th 
  August, 
  1891, 
  is 
  the 
  following 
  

   passage: 
  — 
  "With 
  reference 
  to 
  the 
  aphis 
  of 
  the 
  bread- 
  

   fruit 
  tree, 
  I 
  draw 
  your 
  attention 
  to 
  the 
  lobe 
  or 
  appendage 
  

   at 
  the 
  hinder 
  angle 
  of 
  the 
  compound 
  eye. 
  This 
  seems 
  

   to 
  be 
  part 
  and 
  parcel 
  of 
  the 
  eye, 
  though 
  the 
  facets 
  on 
  

   this 
  part 
  are 
  larger, 
  more 
  irregular, 
  and 
  disconnected 
  

   from 
  those 
  on 
  the 
  main 
  part. 
  The 
  appendage 
  contains 
  

   pigment, 
  which 
  is 
  in 
  direct 
  connection 
  with 
  the 
  pigment 
  

   of 
  the 
  main 
  portion. 
  I 
  have 
  noticed 
  a 
  similar 
  appendage 
  

   in 
  more 
  or 
  less 
  degrees 
  in 
  several 
  other 
  species 
  of 
  Aphis 
  

   in 
  Ceylon." 
  

  

  I 
  may 
  be 
  permitted 
  to 
  add 
  that 
  in 
  fig. 
  1 
  of 
  my 
  Plate 
  

   XXL 
  the 
  very 
  characteristic 
  second 
  branchlet 
  of 
  the 
  

   post-costal 
  vein 
  is 
  hardly 
  sufficiently 
  curved 
  beyond 
  its 
  

   centre, 
  and 
  the 
  honey-secreting 
  tubes 
  are 
  even 
  longer 
  in 
  

   the 
  younger 
  state 
  of 
  the 
  larv£e 
  than 
  in 
  their 
  more 
  

   advanced 
  state. 
  

  

  TRANS. 
  ENT. 
  SOC. 
  LOND. 
  1891. 
  PART 
  III. 
  (OCT.) 
  

  

  