﻿Sjiecies 
  of 
  Butterflies 
  from 
  Borneo. 
  317 
  

  

  In 
  the 
  collections 
  of 
  Mr. 
  John 
  Whitehead 
  and 
  Mr. 
  Grose 
  

   Smith. 
  

  

  Elymnias 
  hong 
  a. 
  

  

  Male. 
  — 
  Upperside. 
  Both 
  wings 
  dull 
  bluish 
  slate-colour, 
  

   changing 
  to 
  dull 
  brown 
  on 
  the 
  margins 
  ; 
  outer 
  margins 
  emar- 
  

   ginate. 
  

  

  Underside. 
  Both 
  wings 
  dull 
  brown, 
  darker 
  towards 
  the 
  

   base 
  and 
  mottled 
  with 
  brownish-grey 
  markings. 
  Anterior 
  

   wings 
  with 
  several 
  light 
  grey 
  markings 
  on 
  the 
  costal 
  margin 
  

   towards 
  the 
  apex 
  and 
  an 
  indistinct 
  light 
  grey 
  area 
  from 
  the 
  

   apex 
  to 
  near 
  the 
  middle. 
  Posterior 
  wings 
  with 
  a 
  rather 
  small 
  

   white 
  spot 
  a 
  little 
  below 
  the 
  costal 
  margin 
  near 
  the 
  middle, 
  

   halfway 
  between 
  which 
  and 
  the 
  base 
  is 
  an 
  indistinct 
  rufous 
  

   patch, 
  the 
  apex 
  slightly 
  rufous. 
  

  

  Expanse 
  of 
  wings 
  2| 
  inches. 
  

  

  In 
  the 
  collection 
  of 
  Mr. 
  Whitehead. 
  

  

  Near 
  to 
  E.penanga, 
  Hewitson, 
  and 
  E. 
  sumatrana, 
  Wallace 
  ; 
  

   but, 
  besides 
  other 
  differences, 
  the 
  apex 
  of 
  the 
  anterior 
  wings 
  is 
  

   less 
  acute 
  ; 
  it 
  has 
  a 
  subcostal 
  white 
  spot 
  on 
  the 
  underside 
  of 
  

   the 
  posterior 
  wings 
  which 
  is 
  absent 
  in 
  those 
  species, 
  and 
  the 
  

   outer 
  margins 
  are 
  emarginate. 
  

  

  Sithon 
  teunga. 
  

  

  Male. 
  — 
  Upperside. 
  Anterior 
  wings 
  dull 
  brown, 
  with 
  the 
  

   inner 
  margin 
  projecting 
  ; 
  a 
  round, 
  depressed, 
  sericeous 
  spot 
  

   above 
  the 
  submedian 
  nervure 
  about 
  the 
  middle. 
  Posterior 
  

   wings 
  : 
  anal 
  third 
  white, 
  the 
  veins 
  across 
  the 
  white 
  area 
  

   black, 
  rather 
  broadly 
  tipped 
  with 
  black 
  on 
  the 
  margin 
  j 
  the 
  

   upper 
  half 
  smooth, 
  devoid 
  of 
  scales 
  ; 
  two 
  tails, 
  that 
  nearest 
  

   the 
  anal 
  angle 
  the 
  longest. 
  

  

  Underside. 
  Both 
  wings 
  dull 
  pale 
  brown, 
  darker 
  towards 
  

   the 
  apex 
  and 
  almost 
  white 
  at 
  the 
  anal 
  angle 
  ; 
  the 
  inner 
  mar- 
  

   ginal 
  third 
  of 
  the 
  anterior 
  wings 
  smooth, 
  with 
  a 
  tuft 
  of 
  pale 
  

   brown 
  hairs. 
  Posterior 
  wings 
  : 
  outer 
  margin 
  narrowly 
  

   black, 
  a 
  round 
  black 
  spot 
  at 
  the 
  anal 
  angle, 
  another 
  and 
  two 
  

   black 
  bars 
  in 
  a 
  row 
  above 
  it, 
  and 
  inside 
  these 
  is 
  another 
  row 
  

   of 
  three 
  sinuate 
  black 
  elongated 
  spots. 
  

  

  Expanse 
  of 
  wings 
  1^ 
  inch. 
  

  

  In 
  the 
  collection 
  of 
  Mr. 
  Whitehead. 
  

  

  Somewhat 
  resembles 
  S. 
  amrita, 
  Feld., 
  on 
  the 
  underside. 
  

  

  Sithon 
  hiana. 
  

   Male. 
  — 
  Upperside. 
  Anterior 
  wings 
  dark 
  brown. 
  Posterior 
  

  

  