﻿of 
  the 
  Genus 
  Cryptocerus. 
  223 
  

  

  side, 
  forming 
  a 
  narrow 
  footstalk 
  to 
  the 
  broad 
  portion 
  ; 
  the 
  second 
  

   is 
  somewhat 
  square, 
  having 
  on 
  each 
  side 
  anteriorly 
  a 
  broad 
  bent 
  

   flattened 
  spine. 
  Abdomen 
  heart-shaped, 
  having 
  on 
  each 
  side, 
  at 
  

   the 
  base, 
  a 
  large 
  ovate 
  pale 
  testaceous 
  macula, 
  and 
  a 
  little 
  beyond 
  

   the 
  middle 
  on 
  each 
  side 
  a 
  pale 
  transverse 
  stripe 
  : 
  the 
  entire 
  insect 
  

   is 
  covered 
  with 
  shallow 
  punctures, 
  and 
  sprinkled 
  with 
  very 
  short 
  

   glittering 
  hairs 
  or 
  scales. 
  

  

  Hab. 
  Columbia 
  ; 
  Brazil 
  (Santarem). 
  H. 
  W. 
  Bates, 
  Esq. 
  

  

  In 
  the 
  Collections 
  of 
  the 
  British 
  Museum, 
  and 
  of 
  J. 
  O. 
  West- 
  

   wood, 
  Esq. 
  

  

  26. 
  Cryptocerus 
  hcemorrfioidalis. 
  

  

  Opaque-black 
  : 
  the 
  head 
  without 
  spines, 
  large 
  and 
  nearly 
  square, 
  

   the 
  lateral 
  margins 
  of 
  the 
  head 
  ferruginous 
  ; 
  abdomen 
  ovate, 
  the 
  

   sides 
  marginate, 
  at 
  the 
  apex 
  a 
  large 
  red 
  spot, 
  divided 
  in 
  the 
  middlle 
  

   by 
  a 
  longitudinal 
  black 
  line. 
  

  

  Formica 
  hcemorrhnidalis, 
  Latr. 
  Hist. 
  Nat. 
  Fourm. 
  276. 
  

  

  Cryptocerus 
  hcemorrhoidalis, 
  St. 
  Farg. 
  Hym. 
  I. 
  172, 
  3. 
  

  

  Length 
  2\ 
  lines. 
  

  

  Hab. 
  St. 
  Domingo. 
  

  

  27. 
  Cryptocerus 
  Araneolus, 
  new 
  sp. 
  (PI. 
  XIX. 
  fig. 
  4.) 
  

   Neuter. 
  — 
  1 
  h 
  lines. 
  Dull 
  reddish 
  brown 
  : 
  the 
  lateral 
  margins 
  of 
  

   the 
  head 
  raised 
  and 
  expanded 
  before 
  the 
  eyes 
  ; 
  at 
  the 
  eyes 
  the 
  

   margins 
  are 
  notched, 
  the 
  raised 
  margins 
  ferruginous, 
  the 
  extreme 
  

   apex 
  of 
  the 
  antennae 
  pale 
  testaceous. 
  Thorax 
  oblong, 
  gradually 
  

   narrowing 
  towards 
  the 
  abdomen, 
  divided 
  in 
  the 
  middle 
  by 
  a 
  trans- 
  

   verse 
  suture, 
  the 
  lateral 
  margins 
  crenulated. 
  Legs 
  short 
  and 
  

   stout 
  ; 
  the 
  nodes 
  of 
  the 
  abdomen 
  transverse, 
  and 
  furnished 
  on 
  each 
  

   side 
  with 
  an 
  acute 
  spine. 
  Abdomen 
  ovate, 
  marginate, 
  and 
  emar- 
  

   ginate 
  at 
  the 
  base 
  ; 
  the 
  whole 
  insect 
  covered 
  with 
  shallow 
  punc- 
  

   tures, 
  each 
  of 
  which 
  contains 
  a 
  bright 
  golden 
  hair. 
  

   Hab. 
  St. 
  Vincent's. 
  

   In 
  the 
  Collection 
  of 
  J. 
  O. 
  Westwood, 
  Esq. 
  and 
  in 
  my 
  own. 
  

  

  28, 
  Cryptocerus 
  rimosus. 
  

   Cryptocerus 
  rimosus, 
  Spin. 
  Mem. 
  Acad. 
  Torino, 
  Tom. 
  xii. 
  I. 
  65. 
  

   Hab. 
  Brazil. 
  

  

  29. 
  Cryptocerus 
  pubescens, 
  new 
  sp. 
  (PI. 
  XX. 
  fig. 
  4.) 
  

   Female. 
  — 
  Length 
  2 
  lines. 
  Brown-ferruginous 
  : 
  the 
  head 
  late- 
  

   rally 
  in 
  front 
  has 
  a 
  slightly 
  raised 
  margin. 
  Thorax 
  quadrate, 
  

   the 
  anterior 
  margin 
  waved, 
  the 
  sides 
  curving 
  outwardly, 
  the 
  

  

  