﻿of 
  the 
  Genus 
  Cryptocerus. 
  219 
  

  

  teriorly, 
  the 
  mandibles 
  and 
  antennae 
  of 
  the 
  same 
  colour. 
  Thorax, 
  

   the 
  anterior 
  and 
  posterior 
  angles 
  acute, 
  forming 
  short 
  spines 
  ; 
  

   wings 
  slightly 
  fuscous, 
  stigma 
  fuscous, 
  nervures 
  pale 
  testaceous 
  ; 
  

   legs 
  ferruginous. 
  The 
  first 
  node 
  of 
  the 
  abdomen 
  produced 
  in 
  

   the 
  middle 
  laterally 
  into 
  a 
  short 
  acute 
  spine, 
  the 
  second 
  node 
  

   has 
  on 
  each 
  side 
  anteriorly 
  a 
  recurved 
  spine. 
  Abdomen 
  elongate, 
  

   narrowing 
  slightly 
  towards 
  the 
  base. 
  

  

  Hab. 
  South 
  America. 
  

  

  Of 
  this 
  species 
  I 
  have 
  only 
  seen 
  the 
  single 
  specimen 
  kindly 
  lent 
  

   to 
  me 
  by 
  Mr. 
  Westwood 
  for 
  description. 
  

  

  12. 
  Cryptocerus 
  quadrlmaciilatus. 
  (PI. 
  XIX. 
  fig. 
  8.) 
  

   Black, 
  elongate 
  ; 
  the 
  head 
  convex 
  above, 
  rounded 
  in 
  front, 
  the 
  

   abdomen 
  having 
  four 
  yellow 
  maculae. 
  

  

  Cryptocerus 
  quadrimacidatus, 
  Klug, 
  Ent. 
  Monog. 
  j 
  ; 
  Guerin, 
  

  

  Icon. 
  R. 
  Anim. 
  426. 
  

   Length 
  3^ 
  lines. 
  

   Hab. 
  Brazil. 
  In 
  my 
  own 
  Collection. 
  

  

  13. 
  Cryptocerus 
  depressus. 
  

   Black 
  : 
  the 
  head 
  anteriorly 
  testaceous 
  at 
  the 
  sides, 
  posteriorly 
  

   bispinose 
  ; 
  the 
  petiole 
  spinose. 
  

  

  Cryptocerus 
  depressus, 
  Klug, 
  Ent. 
  Monog. 
  ; 
  Guerin, 
  Icon. 
  R. 
  

  

  Anim. 
  426. 
  

   Length 
  2 
  lines. 
  

   Hab. 
  Rio 
  Janeiro. 
  

  

  14. 
  Cryptocerus 
  umhraculatus. 
  

   Rufo-testaceous, 
  margins 
  of 
  the 
  head 
  flavescent, 
  thorax 
  having 
  

   a 
  spine 
  at 
  the 
  anterior 
  angles 
  ; 
  abdomen 
  ovate, 
  yellow, 
  and 
  having 
  

   two 
  transverse 
  black 
  stripes 
  connected 
  by 
  a 
  central 
  stripe. 
  

   Cryptocerus 
  umhraculatus, 
  Fabr. 
  Syst. 
  Piez. 
  420, 
  4 
  ; 
  Klug, 
  Entora. 
  

   Monog. 
  210, 
  8 
  ; 
  Guerin, 
  Icon. 
  R. 
  Anim. 
  426, 
  8. 
  

   Length 
  4| 
  lin. 
  

   Hab. 
  South 
  America. 
  

  

  15. 
  Cryptocerus 
  femoralis, 
  West. 
  MSS., 
  new 
  sp. 
  (PI. 
  XX. 
  fig. 
  3.) 
  

  

  Neuter.— 
  Length 
  2| 
  lines. 
  Black 
  : 
  the 
  head, 
  thorax 
  and 
  legs 
  

   covered 
  with 
  shallow 
  punctures, 
  each 
  containing 
  a 
  minute 
  glitter- 
  

   ing 
  scale 
  or 
  hair; 
  the 
  lateral 
  margins 
  of 
  the 
  head 
  expanded 
  before 
  

  

  