﻿the 
  Staphylinidae 
  of 
  Japan. 
  475 
  

  

  sparingly 
  punctate, 
  and 
  only 
  feebly 
  biimpressed 
  on 
  the 
  middle. 
  

   Elytra 
  nearly 
  twice 
  as 
  long 
  as 
  the 
  thorax, 
  coarsely, 
  mode- 
  

   rately 
  closely 
  punctate. 
  

  

  Hitoyoshi, 
  8th 
  May, 
  1881 
  ; 
  one 
  specimen. 
  

  

  An 
  obscure 
  little 
  Omalium 
  allied 
  to 
  0. 
  japonicum, 
  but 
  

   much 
  smaller, 
  differently 
  coloured, 
  and 
  more 
  sparingly 
  punc- 
  

   tate. 
  

  

  Omalium 
  tenue. 
  

  

  Homalium 
  tenue, 
  Weise, 
  Deutsche 
  ent. 
  Zeitschr. 
  1877, 
  p. 
  95. 
  

  

  This 
  apparently 
  has 
  not 
  been 
  met 
  with 
  by 
  Mr. 
  Lewis 
  ; 
  it 
  

   was 
  found 
  at 
  Hagi 
  by 
  Hiller. 
  

  

  Omalium 
  daimio, 
  n. 
  sp. 
  

  

  Sat 
  elongatum, 
  subparallelum, 
  rufescens 
  ; 
  capito 
  elytrorumque 
  

  

  apice 
  nigricantibus 
  ; 
  elytris 
  seriatim 
  sat 
  fortiter 
  punctatis. 
  

   Long. 
  4 
  millim. 
  

  

  Antennae 
  red, 
  fifth 
  joint 
  considerably 
  broader 
  than 
  the 
  

   fourth, 
  fifth 
  to 
  tenth 
  similar 
  to 
  one 
  another 
  in 
  width, 
  each 
  

   slightly 
  transverse. 
  Head 
  broad 
  and 
  short, 
  in 
  front 
  biim- 
  

   pressed 
  ; 
  on 
  the 
  vertex 
  there 
  is 
  a 
  curved 
  elevation 
  between 
  

   the 
  ocelli. 
  Thorax 
  nearly 
  as 
  broad 
  as 
  the 
  elytra, 
  narrowed 
  

   behind, 
  moderately 
  closely 
  and 
  finely 
  punctate, 
  somewhat 
  

   shining, 
  not 
  impressed, 
  but 
  bipunctate 
  close 
  to 
  the 
  front 
  mar- 
  

   gin. 
  Elytra 
  yellowish 
  red, 
  shining, 
  the 
  suture 
  narrowly, 
  

   the 
  hind 
  margin 
  broadly, 
  infuscate, 
  seriate-punctate 
  in 
  a 
  very 
  

   distinct 
  manner. 
  

  

  Yuyama, 
  10th 
  May, 
  1881 
  ; 
  one 
  specimen. 
  

  

  A 
  very 
  distinct 
  species 
  of 
  the 
  Xylodromus 
  group. 
  

  

  Omalium 
  denticolle, 
  n. 
  sp. 
  

  

  Dense 
  punctatum, 
  dense 
  subtiliter 
  pubescens, 
  parum 
  nitidum, 
  fusco- 
  

   piceum 
  ; 
  antennarum 
  basi, 
  prothoracis 
  lateribus, 
  elytrorum 
  lineis 
  

   duabus 
  obliquis 
  pedibusquo 
  rufis 
  ; 
  prothorace 
  lateribus 
  obtuso 
  

   bidenticulatis. 
  

  

  Long, 
  vix 
  3 
  millim. 
  

  

  Antennae 
  moderately 
  long, 
  pubescent, 
  five 
  basal 
  joints 
  red, 
  

   the 
  following 
  six 
  darker 
  and 
  also 
  stouter. 
  Head 
  blackish, 
  

   densely, 
  rather 
  coarsely 
  punctured. 
  Thorax 
  strongly 
  trans- 
  

   verse, 
  quite 
  twice 
  as 
  broad 
  as 
  long, 
  densely 
  punctate, 
  the 
  

   disk 
  very 
  obsoletely 
  biimpressed, 
  each 
  side 
  margin 
  bearing 
  

   two 
  prominences 
  on 
  the 
  middle, 
  the 
  anterior 
  very 
  small, 
  the 
  

   next 
  larger. 
  Elytra 
  about 
  twice 
  as 
  long 
  as 
  the 
  thorax, 
  

   densely, 
  rather 
  coarsely 
  punctate, 
  each 
  with 
  a 
  red 
  oblique 
  

   mark, 
  proceeding 
  from 
  the 
  shoulder 
  towards 
  the 
  suture. 
  Male 
  

   with 
  the 
  lower 
  half 
  of 
  the 
  inner 
  face 
  of 
  the 
  hind 
  tibia 
  rather 
  

  

  