﻿the 
  Staphylinidse 
  of 
  Japan. 
  417 
  

  

  this 
  species 
  would 
  belong 
  thereto 
  on 
  account 
  of 
  the 
  tip 
  of 
  the 
  

   scutellum 
  being 
  minutely 
  exposed. 
  The 
  colour 
  apparently 
  

   varies 
  a 
  little, 
  the 
  elytra 
  being 
  sometimes 
  picescent. 
  

  

  Trogophloeus 
  vagus, 
  n. 
  sp. 
  

  

  Niger; 
  prothorace 
  elytrisque 
  nigro-piceis 
  ; 
  antennis 
  pedibusque 
  

   rufis 
  ; 
  prothorace 
  fortitcr 
  transverso, 
  vage 
  obsoleteque 
  irnpresso 
  ; 
  

   elytris 
  evidentcr 
  punctulatis. 
  

  

  Long. 
  3 
  millim. 
  

  

  Antennae 
  red, 
  more 
  obscure 
  towards 
  the 
  extremity, 
  the 
  

   three 
  terminal 
  joints 
  distinctly 
  thicker 
  than 
  the 
  others, 
  but 
  

   not 
  transverse. 
  Thorax 
  much 
  broader 
  than 
  long, 
  greatly 
  

   narrowed 
  behind, 
  but 
  little 
  narrower 
  than 
  the 
  elytra, 
  with 
  an 
  

   obscure 
  longitudinal 
  elevation 
  along 
  the 
  middle 
  and 
  a 
  very 
  

   slight 
  depression 
  on 
  each 
  side 
  of 
  it 
  ; 
  very 
  densely 
  and 
  finely 
  

   punctured. 
  Elytra 
  quadrate, 
  longer 
  than 
  the. 
  thorax, 
  densely 
  

   and 
  finely 
  but 
  distinctly 
  punctured, 
  a 
  little 
  shining. 
  Legs 
  

   pale 
  red, 
  unicolorous. 
  

  

  Yokohama, 
  Nagasaki, 
  Ogura 
  Lake, 
  Niigata. 
  

  

  Apparently 
  the 
  most 
  common 
  of 
  the 
  Japanese 
  Trogophloei. 
  

  

  Trogophloeus 
  sedatus, 
  n. 
  sp. 
  

  

  Angustulus, 
  niger, 
  sat 
  nitidus 
  ; 
  antennarum 
  basi 
  pedibusque 
  testa- 
  

   ceis; 
  elytris 
  fuseis; 
  subtilissiine 
  punctatus 
  ; 
  prothorace 
  obsolete 
  

   impresso. 
  

  

  Long. 
  2| 
  millim. 
  

  

  Antennas 
  with 
  the 
  three 
  terminal 
  joints 
  stouter 
  than 
  the 
  

   others, 
  but 
  not 
  transverse. 
  Thorax 
  not 
  strongly 
  transverse, 
  

   slightly 
  narrower 
  than 
  the 
  elytra, 
  much 
  narrowed 
  behind, 
  

   extremely 
  delicately 
  punctate 
  and 
  pubescent, 
  a 
  little 
  shining, 
  

   the 
  surface 
  slightly 
  uneven, 
  without 
  definite 
  impressions. 
  

   Elytra 
  much 
  longer 
  than 
  the 
  thorax, 
  very 
  delicately 
  punctate 
  

   and 
  pubescent. 
  

  

  Nagasaki 
  and 
  Kobe. 
  

  

  Allied 
  to 
  the 
  European 
  T. 
  j^usillus, 
  but 
  larger, 
  darker 
  in 
  

   colour, 
  with 
  longer 
  elytra, 
  &c. 
  

  

  Trogophloeus 
  exiguus. 
  

  

  Trogophloeus 
  exiguus, 
  Er. 
  Kaf. 
  Mark. 
  -Brand, 
  i. 
  p. 
  G04. 
  

  

  Niigata, 
  September 
  1881. 
  

  

  A 
  very 
  widely 
  distributed 
  insect. 
  

  

  