﻿of 
  undescribed 
  Chinese 
  Coleoptera. 
  29 
  

  

  Hope, 
  by 
  the 
  slender 
  legs, 
  shape 
  of 
  clypeus, 
  and 
  arming 
  of 
  the 
  

   fore 
  tibiae 
  in 
  the 
  $, 
  as 
  well 
  as 
  by 
  the 
  dull 
  colour 
  of 
  the 
  insect, 
  

   which 
  is 
  very 
  unusual 
  among 
  the 
  Goliath 
  beetles. 
  

  

  Cosmiomorpha 
  modesta, 
  mifii. 
  (PI. 
  III. 
  fig. 
  1 
  $; 
  fig. 
  2 
  5.) 
  

  

  Head 
  with 
  the 
  upper 
  surface 
  deeply 
  punctate, 
  pitchy 
  black, 
  with 
  

   the 
  antennae 
  dark 
  chesnut 
  brown. 
  Thorax 
  with 
  the 
  upper 
  

   surface 
  flat 
  and 
  deeply 
  punctate, 
  blackish 
  brown, 
  covered 
  with 
  

   short, 
  stout, 
  adpressetl 
  yellowish 
  hairs, 
  especially 
  near 
  the 
  margin. 
  

   Scutellum 
  concolorous 
  with 
  the 
  thorax, 
  with 
  patches 
  on 
  the 
  basal 
  

   angles 
  of 
  yellowish 
  adpressed 
  hairs. 
  Elytra 
  with 
  two 
  slightly 
  

   elevated 
  longitudinal 
  ridges 
  on 
  each, 
  parallel 
  for 
  the 
  most 
  part, 
  but 
  

   joining 
  near 
  the 
  apex, 
  the 
  surface 
  deeply 
  and 
  rugosely 
  punctured, 
  

   dark, 
  dull, 
  castaneous 
  brown, 
  with 
  the 
  suture 
  and 
  shoulders 
  

   shining 
  pitchy 
  black 
  ; 
  the 
  whole 
  surface 
  covered 
  with 
  stout, 
  ad- 
  

   pressed, 
  short 
  yellowish 
  hairs. 
  Underside 
  of 
  body 
  dark 
  castaneous 
  

   brown, 
  thickly 
  covered 
  with 
  yellowisli 
  hairs, 
  except 
  the 
  mesosternal 
  

   process 
  and 
  medial 
  line 
  of 
  abdomen, 
  which 
  are 
  smooth, 
  shining, 
  

   and 
  slightly 
  punctate. 
  Legs 
  dark 
  castaneous 
  brown, 
  with 
  the 
  

   hinder 
  tibiae 
  fringed 
  with 
  yellowish 
  hairs. 
  Tarsi 
  elongate. 
  

  

  The 
  $ 
  is 
  rather 
  smaller 
  than 
  the 
  $, 
  and 
  has 
  the 
  anterior 
  angles 
  

   of 
  the 
  clypeus 
  less 
  sharply 
  truncate 
  obliquely. 
  In 
  one 
  specimen 
  

   the 
  colour 
  is 
  nearly 
  black. 
  

  

  Length 
  of 
  $ 
  1 
  inch 
  ; 
  2 
  of 
  -j% 
  inch. 
  

  

  Fig. 
  1 
  a, 
  maxilla 
  i; 
  fig. 
  1 
  b, 
  mesosternum 
  ^; 
  fig. 
  1 
  c, 
  claws 
  ^; 
  

   fig. 
  1 
  d, 
  fore 
  tibia 
  and 
  tarsus 
  $ 
  ; 
  fig, 
  2 
  a, 
  mandible 
  $ 
  ; 
  fig. 
  2 
  6, 
  

   maxilla 
  $ 
  ; 
  fig. 
  2 
  c, 
  mentum 
  $ 
  . 
  

  

  In 
  the 
  collection 
  of 
  the 
  British 
  Museum, 
  and 
  $ 
  also 
  in 
  my 
  own. 
  

  

  Three 
  specimens 
  only 
  of 
  this 
  insect 
  were 
  brought 
  to 
  England, 
  

   one 
  male 
  and 
  two 
  females. 
  

  

  Rliomhorh'ma 
  nigra, 
  mihi 
  (PI. 
  III. 
  fig. 
  3.) 
  

   Shining 
  black. 
  Clypeus 
  large, 
  somewhat 
  broader 
  in 
  front 
  and 
  

   slightly 
  rounded 
  anteriorly, 
  with 
  an 
  elevated 
  rim, 
  deeply 
  punctate. 
  

   Thorax 
  with 
  the 
  hinder 
  angles 
  acuie, 
  the 
  surface 
  smooth 
  and 
  finely 
  

   punctate. 
  Scutellum 
  moderate, 
  the 
  apex 
  very 
  acute 
  and 
  finely 
  

   punctate. 
  Elytra 
  smooth, 
  with 
  the 
  suture 
  and 
  two 
  parallel 
  equi- 
  

   distant 
  longitudinal 
  lines 
  on 
  each, 
  very 
  slightly 
  elevated, 
  finely 
  

   punctate, 
  shallowly 
  emarginate 
  behind 
  the 
  shoulders. 
  Under- 
  

   surface 
  of 
  body 
  finely 
  punctate, 
  with 
  apex 
  of 
  abdomen 
  covered 
  

   with 
  brownish 
  hair. 
  Mesosternal 
  process 
  obtusely 
  spatulate, 
  

   rounded 
  and 
  broader 
  in 
  front, 
  fringed 
  with 
  short 
  hairs. 
  Legs 
  

  

  