﻿1902.] 
  Catalogue 
  of 
  the 
  Coleoptera 
  of 
  South 
  Africa. 
  711 
  

  

  Key 
  to 
  the 
  Species. 
  

  

  First 
  Division. 
  

  

  Anterior 
  tibiae 
  tri-dentate 
  outwardly 
  (Heterochelus). 
  

  

  A3. 
  Clypeus 
  straight 
  at 
  the 
  tip, 
  more 
  or 
  less 
  sharply 
  quadri-dentate. 
  

   B 
  2 
  . 
  Elytra 
  covered 
  with 
  contiguous 
  scales. 
  

   C 
  2 
  . 
  Hind 
  tibiae 
  without 
  an 
  apical 
  spur. 
  

   D 
  3 
  . 
  Clypeus 
  with 
  the 
  two 
  median 
  teeth 
  hardly 
  distinct. 
  

   E 
  2 
  . 
  Elytra 
  distinctly 
  costate. 
  

  

  F 
  2 
  . 
  Hind 
  claws 
  double, 
  unequal. 
  

  

  a 
  4 
  . 
  Pygidium 
  clothed 
  with 
  a 
  velvety 
  black 
  tomen- 
  

   tum. 
  

  

  Hind 
  tibiae 
  of 
  the 
  male 
  not 
  grooved 
  under- 
  

   neath, 
  but 
  with 
  the 
  lower 
  edge 
  serrate, 
  and 
  

   the 
  inner 
  with 
  a 
  small 
  tooth 
  near 
  the 
  knee 
  

   (pi. 
  xlii., 
  fig. 
  29) 
  vulpinus. 
  

  

  Hind 
  tibiae 
  moderately 
  grooved 
  underneath, 
  

   but 
  with 
  both 
  edges 
  serrate 
  and 
  both 
  strongly 
  

   dentate 
  on 
  each 
  side 
  of 
  the 
  knee 
  (pi. 
  xlii., 
  fig. 
  

   44) 
  sexlineatus. 
  

  

  Hind 
  femora 
  with 
  the 
  inner 
  claw 
  of 
  the 
  

   femora 
  near 
  the 
  knee 
  greatly 
  developed 
  ; 
  hind 
  

   tibiae 
  broadly 
  laminate, 
  sharply 
  bi-dentate 
  

   inwardly 
  near 
  the 
  knee, 
  and 
  with 
  the 
  apical 
  

   mucro 
  long 
  and 
  transverse 
  (pi. 
  xlii., 
  fig. 
  37) 
  natalensis. 
  

  

  a3. 
  Pygidium 
  scaly 
  but 
  with 
  two 
  velvety 
  black 
  

   patches. 
  

  

  Hind 
  tibiae 
  somewhat 
  grooved 
  underneath, 
  

   but 
  with 
  the 
  outer 
  edges 
  serrate 
  and 
  the 
  inner 
  

   one 
  slightly 
  dentate 
  near 
  the 
  knee 
  (pi. 
  xlii., 
  

   fig. 
  31) 
  multidentatus 
  , 
  

  

  Hind 
  tibiae 
  broadly 
  and 
  deeply 
  scooped 
  under- 
  

   neath 
  near 
  the 
  base, 
  and 
  strongly 
  bi-dentate 
  

   there, 
  the 
  inner 
  spine 
  being 
  almost 
  always 
  

   truncate, 
  inner 
  mucro 
  very 
  robust, 
  upper 
  

   apical 
  part 
  produced 
  into 
  a 
  distinct 
  angular 
  

   process 
  (pi. 
  xlii., 
  fig. 
  30) 
  armipes. 
  

  

  Hind 
  tibiae 
  scooped 
  underneath 
  in 
  the 
  base 
  

   only, 
  triangularly 
  dilated 
  inwardly 
  into 
  a 
  strong 
  

   tooth 
  at 
  the 
  apex 
  of 
  the 
  excavation, 
  and 
  

   strongly 
  serrate 
  from 
  there, 
  upper 
  apical 
  part 
  

   strongly 
  developed 
  mimus. 
  

  

  Hind 
  tibiae 
  not 
  scooped 
  underneath 
  near 
  the 
  

   base, 
  but 
  having 
  there 
  a 
  distinctly 
  truncate 
  

   inner 
  tooth, 
  upper 
  apical 
  angle* 
  normal 
  . 
  . 
  concinnus. 
  

  

  