﻿10 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol.07 
  

  

  Thorax 
  one-fourth 
  wider 
  than 
  long. 
  The 
  elytra 
  scarcely 
  punctate, 
  not 
  

   rugulose. 
  Length 
  9.5-10 
  nun 
  * 
  sahlbergi 
  Bernhauer. 
  

  

  54. 
  Thorax 
  not 
  so 
  broad, 
  less 
  narrowed 
  posteriorly 
  ; 
  the 
  canaliculation 
  one-half 
  

  

  the 
  length 
  of 
  the 
  thorax, 
  strong 
  and 
  rather 
  deeply 
  impressed. 
  Smaller. 
  

  

  Length 
  10 
  mm 
  confusus, 
  new 
  species. 
  

  

  Thorax 
  broader, 
  more 
  narrowed 
  posteriorly 
  ; 
  the 
  canaliculation 
  fine 
  and 
  

   short. 
  Larger. 
  Length 
  13.5-22 
  mm 
  55 
  

  

  55. 
  Head 
  and 
  thorax 
  less 
  alutaceous, 
  more 
  strongly 
  and 
  closely 
  punctate. 
  The 
  

  

  clypeus 
  less 
  prominent 
  medially. 
  Smaller. 
  Length 
  13.5-14.5 
  mm. 
  

  

  alternans 
  Bernhauer. 
  

   Head 
  and 
  thorax 
  more 
  alutaceous 
  ; 
  punctuation 
  finer 
  and 
  sparser. 
  The 
  

   clypeus 
  more 
  prominent 
  medially. 
  Larger. 
  Length 
  1S-22 
  mm. 
  

  

  stipes 
  Sharp. 
  

  

  56. 
  Apical 
  ventral 
  segment 
  coarsely 
  rugulose-punctate. 
  The 
  mandibles 
  with- 
  

  

  out 
  teeth. 
  The 
  posterior 
  angles 
  of 
  the 
  thorax 
  slightly 
  prominent. 
  

  

  Length 
  10-12 
  mm 
  canaliculars 
  Solsky. 
  

  

  Apical 
  ventral 
  segment 
  with 
  a 
  few 
  coarse 
  puncturea. 
  The 
  thorax 
  densely 
  

   punctate. 
  The 
  elytra 
  sparsely 
  punctate 
  57 
  

  

  57. 
  Thorax 
  broader 
  and 
  less 
  narrowed 
  posteriorly. 
  The 
  mandibles 
  with 
  a 
  

  

  well-defined 
  tooth. 
  Length 
  11 
  mm 
  vicinus 
  Sharp. 
  

  

  Thorax 
  narrower, 
  more 
  strongly 
  narrowed 
  posteriorly. 
  The 
  mandibles 
  

   without 
  a 
  tooth. 
  Length 
  12 
  mm 
  pimcticeps 
  Sharp. 
  

  

  58. 
  Clypeus 
  subtruncate. 
  The 
  head 
  distinctly 
  punctate. 
  The 
  thorax 
  extremely 
  

  

  finely 
  and 
  sparsely 
  punctate. 
  Length 
  7.5 
  mm 
  * 
  laevicollis 
  Bernhauer. 
  

  

  Clypeus 
  emarginate, 
  with 
  the 
  angles 
  more 
  or 
  less 
  prominent 
  or 
  more 
  or 
  

   less 
  distinctly 
  bisinuate 
  59 
  

  

  59. 
  Head 
  and 
  thorax 
  distinctly 
  punctured 
  60 
  

  

  Head 
  and 
  thorax 
  very 
  finely 
  and 
  sparsely 
  or 
  obsoletely 
  punctured 
  64 
  

  

  60. 
  Clypeus 
  bisinuate, 
  more 
  or 
  less 
  prominent 
  medially. 
  The 
  thorax 
  slightly 
  

  

  transverse 
  61 
  

  

  Clypeus 
  emarginate, 
  not 
  prominent 
  medially. 
  The 
  apical 
  ventral 
  segments 
  

   of 
  the 
  abdomen 
  punctured 
  medially 
  62 
  

  

  61. 
  Thorax 
  with 
  the 
  sides 
  not 
  sinuate 
  before 
  the 
  posterior 
  angles 
  ; 
  the 
  surface 
  

  

  alutaceous 
  ; 
  the 
  canaliculation 
  very 
  short 
  and 
  indistinct. 
  The 
  apical 
  

   ventral 
  segments 
  of 
  the 
  abdomen 
  smooth 
  medially. 
  Length 
  13 
  mm. 
  

  

  *nitens 
  Sharp. 
  

  

  Thorax 
  with 
  the 
  sides 
  distinctly 
  sinuate 
  before 
  the 
  posterior 
  angles 
  ; 
  the 
  

  

  surface 
  not 
  alutaceous; 
  the 
  canaliculation 
  nearly 
  one-half 
  the 
  length 
  of 
  

  

  the 
  thorax, 
  coarse 
  but 
  feebly 
  impressed. 
  The 
  apical 
  ventral 
  segment 
  of 
  

  

  the 
  abdomen 
  strongly 
  strigose 
  throughout. 
  Length 
  10 
  mm. 
  

  

  morio, 
  new 
  species. 
  

  

  62. 
  Head 
  dull, 
  alutaceous. 
  Length 
  10 
  mm 
  * 
  granulatus 
  Bernhauer. 
  

  

  Head 
  smooth, 
  shining 
  i- 
  63 
  

  

  63. 
  Clypeal 
  angles 
  not 
  prominent. 
  The 
  head 
  more, 
  closely 
  punctured. 
  The 
  

  

  abdomen 
  sparsely 
  punctured 
  above. 
  Length 
  12.5 
  mm 
  * 
  integer 
  Sharp. 
  

  

  Clypeal 
  angles 
  rather 
  thick 
  and 
  prominent. 
  The 
  head 
  sparingly 
  punctured. 
  

   The 
  abdomen 
  impunctate 
  above. 
  Length 
  11.5 
  mm 
  * 
  simplex 
  Sharp. 
  

  

  64. 
  Head 
  slightly 
  narrower 
  than 
  the 
  thorax 
  at 
  apex. 
  The 
  clypeus 
  emargi- 
  

  

  nate 
  65 
  

  

  Head 
  as 
  wide 
  as 
  the 
  thorax 
  at 
  apex 
  66 
  

  

  05. 
  Thorax 
  with 
  the 
  sides 
  not 
  distinctly 
  sinuate. 
  The 
  abdomen 
  impunctate 
  

   above, 
  sparsely 
  punctate 
  beneath. 
  The 
  elytra 
  impunctate. 
  Length 
  9 
  mm. 
  

  

  * 
  piceus 
  Erichson. 
  

  

  