﻿34 
  Dr. 
  D. 
  Sharp 
  on 
  

  

  Quedionuchus 
  planatus, 
  n. 
  sp. 
  

  

  Subdepressus, 
  niger 
  ; 
  elytris 
  rufis 
  ; 
  antennis 
  fuscis, 
  harum 
  basi, 
  

  

  palpis 
  pedibusque 
  testaceis 
  ; 
  elytris 
  subopacis, 
  impunctatis. 
  

   Long. 
  9 
  millim. 
  

  

  Antennae 
  short 
  and 
  stout, 
  fifth 
  to 
  tenth 
  joints 
  transverse. 
  

   Head 
  short 
  and 
  broad, 
  rounded 
  behind 
  the 
  eyes. 
  Thorax 
  

   about 
  as 
  long 
  as 
  broad, 
  with 
  very 
  feeble 
  opalescent 
  reflex- 
  

   ions. 
  Elytra 
  rather 
  longer 
  than 
  the 
  thorax. 
  Hind 
  body 
  

   moderately 
  closely 
  punctate, 
  the 
  hind 
  margins 
  of 
  the 
  seg- 
  

   ments 
  ferruginous. 
  Hind 
  femora 
  slender, 
  their 
  spines 
  con- 
  

   spicuous. 
  Male 
  with 
  a 
  very 
  feeble 
  emargination 
  on 
  the 
  last 
  

   ventral 
  plate. 
  

  

  Nikko, 
  August 
  12th 
  ; 
  four 
  specimens. 
  

  

  Allied 
  to 
  Q. 
  lcevigatus 
  } 
  Gyll., 
  but 
  only 
  half 
  the 
  size. 
  

  

  Quedionuchus 
  concolor, 
  n. 
  sp. 
  

  

  Subdepressus, 
  niger, 
  nitidus 
  ; 
  antennis 
  pedibusque 
  piceis, 
  tarsis 
  

   dilutioribus 
  ; 
  tborace 
  opalesccnte 
  ; 
  elytris 
  subopacis, 
  impunctatis 
  ; 
  

   femora 
  posteriora 
  sat 
  gracilia. 
  

  

  Long. 
  10 
  millim. 
  

  

  Antenna? 
  a 
  little 
  thicker 
  towards 
  the 
  extremity. 
  Head 
  

   broad 
  and 
  short, 
  much 
  narrowed 
  behind 
  the 
  eyes. 
  Elytra 
  a 
  

   little 
  longer 
  than 
  the 
  thorax. 
  Hind 
  body 
  sparingly 
  punc- 
  

   tate. 
  Male 
  with 
  a 
  slight 
  emargination 
  of 
  the 
  last 
  ventral 
  

   plate. 
  

  

  Chiuzenji 
  and 
  Nikko; 
  nine 
  specimens. 
  

  

  This 
  differs 
  from 
  Q. 
  planatus 
  in 
  numerous 
  minor 
  points 
  

   besides 
  the 
  colour. 
  

  

  Quedionuchus 
  armipes^ 
  n. 
  sp. 
  

  

  Depressus, 
  niger, 
  nitidus 
  : 
  tborace 
  opalescente 
  ; 
  antennis 
  pedibusquo 
  

   rufo-piceis 
  ; 
  elytris 
  subopacis, 
  punctis 
  paucis 
  setigcris 
  seriatim 
  

   dispositis 
  ; 
  femora 
  posteriora 
  subtus 
  dilatata 
  longiusque 
  spinulosa. 
  

  

  Long. 
  9 
  millim. 
  

  

  Antenna? 
  short, 
  fifth 
  to 
  tenth, 
  joints 
  transverse. 
  Head 
  

   transverse, 
  straight 
  behind 
  the 
  eyes, 
  which 
  are 
  not 
  promi- 
  

   nent. 
  Thorax 
  subquadrate, 
  the 
  angles 
  less 
  rounded 
  than 
  in 
  

   the 
  allied 
  species. 
  Elytra 
  with 
  a 
  few 
  wrinkles, 
  a 
  series 
  of 
  

   five 
  or 
  six 
  setigerous 
  punctures 
  near 
  the 
  suture, 
  a 
  similar 
  series 
  

   near 
  the 
  outside, 
  and 
  one 
  or 
  two 
  punctures 
  between 
  the 
  series. 
  

   Hind 
  body 
  rather 
  broad 
  and 
  flat, 
  moderately 
  closely 
  punc- 
  

  

  