﻿818 
  Transactions 
  South 
  African 
  Philosophical 
  Society, 
  [vol. 
  xii. 
  

  

  Hab. 
  Cape 
  Colony 
  (exact 
  locality 
  unknown). 
  Boheman 
  mentions 
  

   the 
  Orange 
  Kiver 
  region 
  as 
  the 
  habitat 
  of 
  the 
  species. 
  

  

  Platychelus 
  jucundus, 
  n. 
  spec. 
  

  

  Female 
  : 
  Greenish 
  bronze, 
  brighter 
  on 
  the 
  prothorax 
  ; 
  head, 
  

   prothorax, 
  pygidial 
  part, 
  abdomen, 
  pectus, 
  and 
  legs 
  clothed 
  with 
  

   a 
  long 
  and 
  dense 
  greyish 
  pubescence 
  which 
  is 
  erect 
  on 
  the 
  head 
  and 
  

   prothorax 
  ; 
  clypeus 
  nearly 
  parabolic 
  ; 
  the 
  sculpture 
  of 
  the 
  head 
  and 
  

   prothorax 
  is 
  similar 
  to 
  that 
  of 
  P. 
  hoplioides 
  or 
  P. 
  glabripennis 
  , 
  but 
  

   the 
  pubescence 
  is 
  longer 
  ; 
  scutellum 
  also 
  pubescent 
  ; 
  elytra 
  not 
  

   costulate, 
  but 
  having 
  a 
  deep, 
  basal, 
  longitudinal 
  impression 
  alongside 
  

   the 
  humeral 
  callus, 
  and 
  a 
  shallow 
  one 
  along 
  the 
  median 
  part 
  of 
  the 
  

   suture, 
  the 
  surface 
  is 
  extremely 
  finely 
  and 
  closely 
  aciculate, 
  and 
  

   instead 
  of 
  scabrose 
  punctures 
  they 
  are 
  covered 
  with 
  closely 
  set, 
  equi- 
  

   distant, 
  small 
  granules 
  from 
  the 
  intervals 
  of 
  which 
  spring 
  small, 
  

   appressed, 
  greyish 
  hair 
  ; 
  anterior 
  tibiae 
  strongly 
  bi-dentate, 
  but 
  

   having 
  also 
  a 
  third, 
  very 
  small 
  basal 
  tooth. 
  

  

  Length 
  9J- 
  mm. 
  ; 
  width 
  5 
  mm. 
  

  

  Hab. 
  Cape 
  Colony 
  (Malmesbury). 
  

  

  Platychelus 
  excentrus, 
  n. 
  spec. 
  

  

  Male 
  : 
  Black, 
  with 
  the 
  elytra 
  reddish 
  brown 
  ; 
  head 
  very 
  closely 
  

   scabroso-punctate, 
  clypeus 
  with 
  the 
  lateral 
  angles 
  much 
  rounded, 
  

   sub-parabolic 
  in 
  the 
  male, 
  club 
  of 
  antennae 
  reddish 
  brown 
  ; 
  pro- 
  

   thorax 
  clothed 
  with 
  very 
  dense 
  and 
  very 
  long 
  villose 
  hairs, 
  black 
  in 
  

   the 
  anterior 
  part, 
  greyish 
  white 
  in 
  the 
  posterior, 
  it 
  is 
  distinctly 
  convex 
  

   and 
  has 
  a 
  well-defined 
  median 
  longitudinal 
  sulcus 
  in 
  the 
  posterior 
  

   part 
  ; 
  elytra 
  slightly 
  impressed 
  longitudinally 
  along 
  the 
  suture 
  and 
  

   deeply 
  along 
  the 
  humeral 
  callus, 
  the 
  two 
  impressions 
  being 
  divided 
  

   by 
  a 
  not 
  much 
  raised 
  costule 
  ; 
  they 
  are 
  clothed 
  with 
  sub-appressed 
  

   black 
  hairs, 
  but 
  along 
  the 
  base 
  there 
  is 
  a 
  fringe 
  of 
  long, 
  white 
  hairs, 
  

   a 
  patch 
  of 
  these 
  in 
  the 
  discoidal 
  impression, 
  and 
  a 
  more 
  elongate 
  

   one 
  along 
  the 
  suture, 
  at 
  about 
  the 
  median 
  part 
  ; 
  the 
  pygidial 
  part, 
  

   abdomen, 
  and 
  pectus 
  are 
  clothed 
  with 
  greyish 
  white, 
  dense, 
  villose 
  

   hairs, 
  and 
  the 
  legs 
  with 
  black 
  ones 
  ; 
  the 
  anterior 
  tibiae 
  are 
  bi- 
  

   dentate, 
  the 
  basal 
  tooth 
  is 
  not 
  sharp, 
  and 
  is 
  more 
  or 
  less 
  angular 
  ; 
  

   the 
  hind 
  femora 
  are 
  robust, 
  and 
  the 
  hind 
  tibiae 
  are 
  triangularly 
  

   dilated 
  towards 
  the 
  tip 
  where 
  the 
  apices 
  are 
  very 
  sharp, 
  the 
  lower 
  

   one 
  being 
  mucronate 
  ; 
  there 
  is 
  an 
  apical 
  spur. 
  

  

  Length 
  7^- 
  9 
  mm. 
  ; 
  width 
  3^-4^- 
  mm. 
  

  

  Hab. 
  Cape 
  Colony 
  (Namaqualand). 
  

  

  