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  XXVII. 
  Descriptions 
  of 
  some 
  New 
  Species 
  of 
  Butterflies 
  

   from 
  South 
  America. 
  By 
  W. 
  C. 
  Hewitson, 
  Esq. 
  

  

  [Read 
  January 
  2, 
  1854.] 
  

  

  Genus 
  Erycina. 
  

   Eryc'ina 
  Smmdersii. 
  (Plate 
  XXII. 
  fig. 
  I.) 
  

   Upper 
  Side 
  blue-black, 
  both 
  wings 
  crossed 
  bj'^ 
  a 
  nearly 
  con- 
  

   tinuous 
  band 
  of 
  bright 
  silvery 
  blue 
  intersected 
  by 
  black 
  nervures 
  ; 
  

   commencing 
  at 
  the 
  middle 
  of 
  the 
  costal 
  margin 
  of 
  the 
  anterior 
  

   wing, 
  it 
  crosses 
  to 
  the 
  anal 
  angle, 
  and 
  is 
  continued 
  parallel 
  to 
  and 
  

   at 
  a 
  short 
  distance 
  from 
  the 
  outer 
  margin 
  of 
  the 
  posterior 
  wing; 
  

   anterior 
  wing 
  with 
  a 
  line 
  of 
  scarlet 
  across 
  the 
  end 
  of 
  the 
  cell 
  ; 
  

   posterior 
  wing 
  with 
  a 
  round 
  spot 
  of 
  the 
  same 
  colour 
  on 
  the 
  middle 
  

   of 
  the 
  abdominal 
  fold. 
  

  

  Under 
  Side 
  as 
  above, 
  except 
  that 
  the 
  scarlet 
  line 
  is 
  absent; 
  

   that 
  the 
  band 
  across 
  the 
  anterior 
  wing 
  is 
  wider 
  and 
  more 
  brilliant 
  ; 
  

   that 
  there 
  are 
  three 
  spots 
  between 
  it 
  and 
  the 
  base, 
  and 
  a 
  line 
  on 
  

   the 
  costal 
  margin 
  of 
  the 
  same 
  brilliant 
  blue, 
  and 
  that 
  the 
  costal 
  

   margin 
  of 
  the 
  posterior 
  wing 
  is 
  broadly 
  of 
  the 
  same 
  blue. 
  

  

  Exp. 
  2jJjj 
  inches. 
  

  

  Hab. 
  New 
  Granada. 
  

  

  In 
  the 
  Collections 
  of 
  the 
  Entomological 
  Society 
  and 
  W. 
  C. 
  

   Hewitson. 
  

  

  This 
  species 
  — 
  a 
  beautiful 
  addition 
  to 
  his 
  favourite 
  genus 
  — 
  is 
  

   named 
  after 
  a 
  brother 
  Entomologist. 
  

  

  Genus 
  Acrtea. 
  

   Acrcea 
  Amida. 
  (Plate 
  XXII. 
  fig. 
  2.) 
  

  

  Upper 
  Side 
  black, 
  anterior 
  wing 
  with 
  a 
  large 
  spot 
  at 
  the 
  base, 
  

   and 
  a 
  transverse 
  band 
  beyond 
  the 
  middle 
  from 
  the 
  costal 
  margin 
  

   to 
  near 
  the 
  anal 
  angle 
  brilliant 
  scarlet, 
  intersected 
  by 
  black 
  ner- 
  

   vures 
  ; 
  posterior 
  wing 
  from 
  the 
  base 
  to 
  beyond 
  the 
  middle 
  of 
  a 
  

   glossy 
  metallic 
  blue. 
  

  

  Under 
  Side. 
  Anterior 
  wing 
  as 
  above, 
  except 
  that 
  the 
  transverse 
  

   band 
  is 
  yellow 
  ; 
  posterior 
  wing 
  light 
  brown, 
  the 
  nervures 
  and 
  lines 
  

   between 
  each 
  black, 
  the 
  outer 
  margin 
  dark 
  brown. 
  

  

  Exp. 
  2-fQ 
  inches. 
  

  

  Hab. 
  New 
  Granada. 
  

  

  In 
  the 
  Collection 
  of 
  the 
  Entomological 
  Society. 
  

  

  This 
  and 
  the 
  preceding 
  species 
  were 
  presented 
  to 
  the 
  Society 
  

   by 
  Senor 
  T. 
  J. 
  Stevens. 
  

  

  