﻿€30 
  Transactions 
  South 
  African 
  Philosophical 
  Society, 
  [vol. 
  xii. 
  

  

  Gen. 
  CHASME, 
  Serv., 
  

   Encyclop. 
  Method. 
  1825, 
  x., 
  p. 
  378. 
  

  

  Mentum 
  elongato-quadrate, 
  but 
  a 
  little 
  attenuate 
  laterally 
  close 
  

   to 
  the 
  apex, 
  lobes 
  of 
  ligula 
  somewhat 
  broad, 
  very 
  diverging 
  and 
  

   ciliate 
  inwardly, 
  last 
  joint 
  of 
  labial 
  palpi 
  a 
  little 
  bent 
  inwardly, 
  

   sub-cylindrical, 
  and 
  a 
  little 
  longer 
  than 
  the 
  preceding 
  one 
  ; 
  upper 
  

   lobe 
  of 
  maxillae 
  horny, 
  strongly 
  serrate 
  inwardly 
  and 
  having 
  a 
  thick 
  

   bunch 
  of 
  long 
  hairs 
  at 
  the 
  apex, 
  apical 
  joint 
  of 
  the 
  maxillary 
  palpi 
  

   curved 
  inwardly, 
  sub-cylindrical, 
  not 
  very 
  acuminate 
  at 
  tip, 
  and 
  

   nearly 
  as 
  long 
  as 
  the 
  two 
  preceding 
  joints 
  ; 
  clypeus 
  broader 
  than 
  

   long, 
  sub-parallel 
  laterally 
  with 
  the 
  outer 
  angles 
  slightly 
  rounded 
  ; 
  

   prothorax 
  very 
  slightly 
  attenuate 
  laterally 
  in 
  front 
  and 
  a 
  little 
  

   ampliate 
  on 
  the 
  sides, 
  base 
  not 
  much 
  arcuate 
  ; 
  scutellum 
  ogival, 
  

   not 
  sharp 
  at 
  apex 
  ; 
  elytra 
  parallel, 
  or 
  nearly 
  so, 
  and 
  with 
  a 
  humeral 
  

   callus 
  but 
  no 
  distinct 
  apical 
  one, 
  plane, 
  covered 
  with 
  contiguous 
  

   bright-yellow 
  minute 
  scales, 
  and 
  reaching 
  nearly 
  to 
  the 
  apex 
  of 
  the 
  

   propygidium 
  ; 
  pygidium 
  vertical 
  in 
  the 
  male, 
  a 
  little 
  sloping 
  in 
  the 
  

   female, 
  densely 
  scaly 
  ; 
  abdomen 
  scaly 
  ; 
  legs 
  similar 
  in 
  both 
  sexes 
  ; 
  

   anterior 
  tibiae 
  with 
  an 
  inner 
  apical 
  spur 
  and 
  two 
  or 
  one 
  very 
  

   obliquely 
  produced 
  outer 
  teeth 
  ; 
  posterior 
  tibiae 
  not 
  much 
  thickened 
  ; 
  

   all 
  the 
  claws 
  are 
  double 
  and 
  unequal, 
  the 
  inner 
  one 
  in 
  the 
  anterior 
  

   legs 
  is 
  longer 
  and 
  more 
  robust 
  than 
  the 
  outer, 
  and 
  both 
  of 
  them 
  are 
  

   deeply 
  cleft 
  ; 
  this 
  arrangement 
  of 
  the 
  claws 
  is 
  reversed 
  in 
  the 
  inter- 
  

   mediate 
  and 
  posterior 
  legs, 
  in 
  which 
  the 
  outer 
  claw 
  is 
  the 
  longer 
  and 
  

   more 
  robust 
  of 
  the 
  two, 
  but 
  while 
  in 
  the 
  intermediate 
  legs 
  both 
  

   claws 
  are 
  cleft, 
  in 
  the 
  posterior 
  only 
  the 
  smaller 
  and 
  shorter 
  claw, 
  

   which 
  is 
  nearly 
  as 
  long 
  as 
  the 
  outer, 
  is 
  cleft. 
  

  

  Key 
  to 
  the 
  Species. 
  

   A 
  2 
  . 
  Anterior 
  tibiae 
  bi-dentate 
  outwardly. 
  

  

  Elytra 
  parallel, 
  entirely 
  clothed 
  with 
  golden 
  yellow 
  scales 
  and 
  

  

  short 
  black 
  erect 
  hairs 
  in 
  both 
  sexes 
  decora. 
  

  

  Elytra 
  parallel, 
  and 
  having 
  on 
  each 
  side 
  three 
  distinct 
  bands 
  of 
  

  

  yellow 
  scales 
  and 
  a 
  few 
  short 
  black 
  erect 
  hairs 
  jucunda. 
  

  

  A 
  1 
  . 
  Anterior 
  tibiae 
  uni-dentate 
  outwardly. 
  

  

  Elytra 
  sub-parallel, 
  entirely 
  clothed 
  with 
  yellow 
  scales 
  in 
  the 
  g 
  , 
  

  

  paler 
  in 
  the 
  ? 
  , 
  and 
  hardly 
  hairy 
  nobilitata. 
  

  

  Chasme 
  decora, 
  Wiedem., 
  

  

  Zoolog. 
  Magaz., 
  ii. 
  1, 
  p. 
  94. 
  

  

  Cuvier's 
  Eegn. 
  Anim. 
  Insect., 
  pi. 
  xliv., 
  fig. 
  8. 
  

  

  Head 
  and 
  prothorax 
  black, 
  elytra 
  and 
  abdomen 
  testaceous 
  

   brown 
  ; 
  head 
  punctulate, 
  clothed 
  with 
  black 
  villose 
  hairs 
  except 
  

  

  