﻿8 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol. 
  67 
  

  

  31. 
  Elytra 
  with 
  sides 
  nearly 
  straight 
  and 
  distinctly 
  narrowed 
  posteriorly. 
  

  

  Elytral 
  truncations 
  slightly 
  emarginate 
  * 
  jacobsoni 
  Ritsema. 
  

  

  Elytra 
  with 
  sides 
  parallel, 
  slightly 
  arcuate. 
  Elytral 
  truncations 
  feebly 
  

   arcuate 
  haemorrhoidalis 
  Erichson. 
  

  

  32. 
  Thorax 
  punctate 
  medially. 
  Elytral 
  punctation 
  duplex, 
  not 
  regularly 
  se- 
  

  

  riate. 
  Elytra 
  about 
  half 
  red 
  puncticollis, 
  new 
  species. 
  

  

  Thorax 
  punctate 
  laterally 
  only. 
  Elytra 
  with 
  nine 
  regular 
  rows 
  of 
  punc- 
  

   tures. 
  Apex 
  red 
  serie-punctatus, 
  new 
  species. 
  

  

  33. 
  Elytra 
  maculate 
  34 
  

  

  Elytra 
  fasciate 
  35 
  

  

  34. 
  Elytra 
  with 
  a 
  large, 
  common 
  red 
  macula 
  * 
  maculipennis 
  MacLeay. 
  

  

  Elytra 
  with 
  a 
  red 
  macula 
  on 
  the 
  center 
  of 
  each 
  * 
  bimaculatus 
  MacLeay. 
  

  

  35. 
  Thorax 
  wider 
  than 
  elytra 
  36 
  

  

  Thorax 
  not 
  wider 
  than 
  elytra 
  37 
  

  

  36. 
  Form 
  broader. 
  Basal 
  fascia 
  not 
  extending 
  to 
  one-half 
  the 
  length 
  of 
  the 
  

  

  elytra 
  affinis 
  Castelnau. 
  

  

  Form 
  elongate, 
  cylindrical. 
  Thorax 
  narrowed 
  anteriorly. 
  Elytra 
  with 
  two 
  

   fasciae. 
  Basal 
  fascia 
  much 
  narrower 
  * 
  zonatus 
  Castelnau. 
  

  

  37. 
  Thorax 
  about 
  as- 
  long 
  as 
  wide, 
  not 
  narrowed 
  in 
  front. 
  Basal 
  fascia 
  covering 
  

  

  two-thirds 
  of 
  the 
  elytra. 
  Form 
  elongate, 
  cylindrical. 
  

  

  * 
  fasciatus 
  Castelnau. 
  

   Thorax 
  transverse, 
  much 
  narrowed 
  in 
  front. 
  Elytra 
  short. 
  Form 
  broader. 
  

  

  * 
  papuanus 
  Gestro. 
  

  

  ADELOTOPUS 
  NIGER, 
  new 
  species 
  

  

  Form 
  elongate, 
  cylindrical, 
  subparallel, 
  nearly 
  three 
  times 
  as 
  long 
  

   as 
  broad; 
  widest 
  at 
  the 
  middle; 
  sides 
  feebly 
  and 
  evenly 
  arcuate. 
  

   Color 
  black. 
  Margins 
  of 
  thorax 
  and 
  elytra 
  very 
  finely 
  picescent. 
  

   Legs, 
  antennae, 
  and 
  mouth 
  parts 
  picescent. 
  Head 
  subimpunctate. 
  

   Thorax 
  and 
  elytra 
  rather 
  minutely 
  and 
  sparsely 
  and 
  irregularly 
  

   punctate. 
  Elytra 
  without 
  striae. 
  Suture 
  feebly 
  elevated 
  at 
  apex. 
  

   Head 
  three-fourths 
  the 
  width 
  of 
  thorax. 
  Thorax 
  slightly 
  more 
  

   than 
  one-half 
  wider 
  than 
  long. 
  Apex 
  arcuate; 
  sides 
  feebly 
  arcuate 
  

   and 
  narrowed 
  from 
  base 
  to 
  apex; 
  base 
  very 
  feebly 
  and 
  broadly 
  

   emarginate. 
  All 
  angles 
  rather 
  narrowly 
  rounded; 
  anterior 
  angles 
  

   projecting 
  for 
  about 
  one-third 
  the 
  diameter 
  of 
  the 
  eye. 
  Sides 
  rather 
  

   narrowly 
  reflexed. 
  Base 
  not 
  margined. 
  Thorax 
  not 
  more 
  coarsely 
  

   nor 
  closely 
  punctured 
  apico-laterally. 
  Elytra 
  more 
  than 
  twice 
  the 
  

   length 
  of 
  thorax; 
  humeri 
  rounded 
  and 
  less 
  prominent 
  than 
  adjacent 
  

   thoracic 
  base; 
  basal 
  margin 
  subobsolete. 
  Apical 
  truncatures 
  feebly 
  

   arcuate; 
  outer 
  apical 
  angles 
  broadly 
  rounded; 
  sutural 
  moderately 
  

   narrowly 
  rounded. 
  Presternum 
  indistinctly 
  and 
  sparsely 
  punc- 
  

   tured; 
  abdomen 
  rather 
  coarsely 
  and 
  closely 
  punctured 
  laterally. 
  

   Length, 
  5.S 
  mm. 
  ; 
  width, 
  2.1 
  mm. 
  

  

  7^.— 
  Australia 
  (Koebele). 
  Cat. 
  No. 
  26168, 
  U.S.N.M. 
  

  

  The 
  apex 
  of 
  the 
  thorax 
  is 
  quite 
  distinctly 
  more 
  arcuate 
  in 
  this 
  

   species 
  than 
  in 
  my 
  new 
  species 
  A. 
  puncticollis. 
  and 
  A. 
  serie-punc- 
  

   tatus. 
  

  

  