﻿On 
  the 
  Staph 
  jlinidaa 
  of 
  Japan. 
  319 
  

  

  Underside. 
  Anterior 
  wings 
  dull 
  brownish 
  white 
  at 
  the 
  

   base, 
  gradually 
  becoming 
  greyish 
  brown 
  at 
  the 
  apex 
  and 
  

   outer 
  margin. 
  Posterior 
  wings 
  brownish 
  white, 
  with 
  a 
  sub- 
  

   marginal 
  band 
  from 
  the 
  apex 
  to 
  the 
  anal 
  angle, 
  brown 
  at 
  the 
  

   apex, 
  changing 
  to 
  black 
  above 
  the 
  tails, 
  and 
  at 
  the 
  anal 
  angle 
  

   centred 
  with 
  a 
  thin 
  metallic 
  blue 
  line 
  ; 
  above 
  the 
  submar- 
  

   ginal 
  band 
  is 
  a 
  second 
  slightly 
  irregular 
  band, 
  brown 
  and 
  

   linear 
  near 
  the 
  apex, 
  changing 
  to 
  black 
  and 
  broader 
  towards 
  

   the 
  anal 
  angle 
  ; 
  cilia 
  white. 
  

  

  Female. 
  — 
  Upperside. 
  Both 
  wings 
  entirely 
  brown 
  except 
  

   the 
  narrow 
  white 
  line 
  between 
  the 
  two 
  tails 
  on 
  the 
  posterior 
  

   wings 
  and 
  a 
  small 
  white 
  spot 
  above 
  the 
  anal 
  angle. 
  

  

  Underside 
  as 
  in 
  the 
  male. 
  

  

  Expanse 
  of 
  wings, 
  $ 
  1|, 
  $ 
  £ 
  inch. 
  

  

  Nearest 
  to 
  8. 
  cinesia 
  and 
  8. 
  maneia, 
  Hewitson. 
  

  

  The 
  female 
  is 
  smaller 
  than 
  the 
  male, 
  a 
  peculiarity 
  noted 
  

   by 
  Mr. 
  Hewitson 
  with 
  regard 
  to 
  S. 
  cinesia. 
  

  

  In 
  the 
  collection 
  of 
  Mr. 
  Whitehead. 
  

  

  XXXVII. 
  — 
  The 
  Staphylinida? 
  of 
  Japan. 
  

   By 
  Dr. 
  D. 
  Shaep. 
  

  

  [Continued 
  from 
  p. 
  267.] 
  

  

  Eomedon, 
  nov. 
  gen. 
  

  

  Corpus 
  minus 
  elongatum, 
  subconvexnm, 
  hirtellum. 
  Labrum 
  rotun- 
  

   datum, 
  medio 
  emargiuatum. 
  Caput 
  collo 
  angusto. 
  rrosternum 
  

   breve. 
  Tarsi 
  posteriores 
  articulo 
  quarto 
  sub 
  quiuto 
  producto. 
  

  

  Labrum 
  large, 
  elongate, 
  with 
  a 
  slight 
  emargination 
  in 
  the 
  

   middle, 
  but 
  no 
  trace 
  of 
  denticles. 
  Mandibles 
  short, 
  rather 
  

   strongly 
  bidentate 
  in 
  the 
  middle. 
  Penultimate 
  joint 
  of 
  

   maxillary 
  palpi 
  rather 
  inflated, 
  globose-oval. 
  Anterior 
  tarsi 
  

   slightly 
  dilated. 
  Presternum 
  in 
  front 
  of 
  the 
  coxa? 
  short, 
  

   supracoxal 
  process 
  attaining 
  the 
  mesosternum, 
  side-pieces 
  

   large, 
  but 
  so 
  much 
  indexed 
  as 
  to 
  be 
  inconspicuous. 
  Hind 
  

   tarsi 
  rather 
  long, 
  basal 
  joint 
  twice 
  as 
  long 
  as 
  the 
  second, 
  

   terminal 
  joint 
  inserted 
  at 
  the 
  extremity 
  of 
  the 
  third 
  joint, 
  

   the 
  fourth 
  joint 
  being 
  produced 
  under 
  the 
  fifth. 
  

  

  The 
  tarsal 
  structure 
  brings 
  this 
  genus 
  near 
  Stilomedon, 
  

   from 
  which 
  it 
  differs 
  in 
  many 
  particulars, 
  such 
  as 
  the 
  form 
  of 
  

   the 
  labrum 
  and 
  the 
  denticulation 
  of 
  the 
  mandibles, 
  the 
  sub- 
  

  

  