﻿of 
  the 
  Genus 
  Cryptocerus. 
  221 
  

  

  Cryptocerus 
  jnisillus, 
  King, 
  Ent. 
  Monog. 
  ; 
  Guerin, 
  Icon. 
  R. 
  

  

  Anim. 
  426. 
  

   Length 
  2^ 
  lines. 
  

   Hab. 
  Brazil 
  ; 
  Demerara. 
  

  

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

   wood, 
  Esq. 
  

  

  IS. 
  Cryptocerus 
  minutus. 
  

  

  Black 
  : 
  head 
  depressed, 
  marginate, 
  the 
  margin 
  pale 
  testaceous, 
  

   thorax 
  having 
  anteriorly 
  on 
  each 
  side 
  a 
  bent 
  spine 
  ; 
  abdomen 
  

   margined 
  at 
  the 
  base, 
  the 
  margin 
  pale 
  testaceous. 
  

  

  Length 
  2 
  lines. 
  

  

  Hab. 
  S. 
  America. 
  

  

  Cryptocerus 
  m'mulus, 
  Fabr. 
  Syst. 
  Piez. 
  425, 
  5 
  ; 
  Klug, 
  Entom. 
  

   Monog. 
  202, 
  2; 
  Guer. 
  Icon. 
  R. 
  Anim. 
  426, 
  2. 
  

  

  1 
  9. 
  Cryptocerus 
  P'melii. 
  

   Dark 
  brown 
  : 
  head 
  and 
  thorax 
  without 
  spines, 
  petiole 
  and 
  ab- 
  

   domen 
  pale 
  yellow 
  ; 
  the 
  entire 
  insect 
  punctate. 
  

  

  Cryptocerus 
  Pinelii, 
  Guerin, 
  Icon. 
  R. 
  Anim. 
  425. 
  

   Length 
  3| 
  lines. 
  

   Hab. 
  Moro-Gueimado, 
  Brazil. 
  

  

  20. 
  Cryptocerus 
  complanatus. 
  

  

  Opaque 
  black 
  ; 
  posterior 
  angles 
  of 
  the 
  head 
  without 
  spines 
  ; 
  

   thorax 
  wide 
  in 
  front, 
  narrowing 
  towards 
  the 
  abdomen 
  ; 
  nodes 
  of 
  

   the 
  abdomen 
  transverse 
  ; 
  spined 
  at 
  the 
  sides 
  : 
  abdomen 
  ovate. 
  

  

  Cryptocerus 
  complanatus, 
  Guer. 
  Icon. 
  R. 
  Anim. 
  424 
  (Neuter). 
  

  

  Length 
  3\ 
  lines. 
  

  

  Hab. 
  Cayenne. 
  

  

  21. 
  Cryptocerus 
  Pavonii. 
  

   Cryptocerus 
  Pavonii, 
  Latr. 
  Gen. 
  Crust. 
  Ins. 
  132. 
  

   Hab. 
  South 
  America. 
  

  

  22. 
  Cryptocerus 
  unimaculalus, 
  new 
  sp. 
  (PI. 
  XIX. 
  fig. 
  9.) 
  

   Neuter. 
  — 
  Length 
  3 
  lines. 
  Head 
  and 
  thorax 
  black 
  ; 
  disc 
  of 
  the 
  

   head 
  rugose, 
  most 
  deeply 
  so 
  on 
  the 
  vertex 
  ; 
  the 
  raised 
  lateral 
  

   margins 
  ferruginous, 
  terminating 
  opposite 
  the 
  eyes 
  ; 
  scape 
  of 
  the 
  

   antennae 
  and 
  the 
  flagellum 
  beneath 
  ferruginous 
  ; 
  the 
  thorax 
  

   rugose, 
  the 
  anterior 
  angles 
  produced 
  into 
  a 
  stout 
  blunt 
  spine 
  ; 
  the 
  

  

  