﻿104 
  

  

  Plagiocorynus, 
  a 
  new 
  genus 
  of 
  the 
  Crt/ptorhijnchi(l<£— 
  first 
  division 
  : 
  founded 
  

   upon 
  a 
  large 
  Cryptoihynclaus, 
  with 
  a 
  general 
  form 
  of 
  the 
  body 
  somewhat 
  like 
  that 
  of 
  

   Leptops 
  quadrituherculahis. 
  Kostrura 
  very 
  short 
  and 
  stout, 
  and 
  irregularly 
  quadri- 
  | 
  

   carinated 
  above 
  ; 
  thorax 
  large, 
  produced 
  in 
  front 
  into 
  a 
  rounded 
  lobe 
  which 
  projects 
  

   considerably 
  beyond 
  the 
  head; 
  elytra 
  of 
  the 
  same 
  width 
  at 
  the 
  base 
  as 
  the 
  thorax, 
  

   gradually 
  becoming 
  wider 
  towards 
  the 
  hinder 
  part, 
  the 
  sides 
  very 
  deep 
  and 
  bent 
  some- 
  

   what 
  inwards, 
  the 
  apical 
  portion 
  bent 
  suddenly 
  downwards, 
  with 
  four 
  obtuse 
  tu- 
  

   bercles 
  in 
  a 
  transverse 
  line, 
  behind 
  the 
  middle 
  ; 
  the 
  base 
  rather 
  deeply 
  trisinuated 
  ; 
  

   legs 
  short 
  and 
  stout, 
  femora 
  not 
  dentate 
  ; 
  tarsi 
  small 
  ; 
  antennce 
  with 
  the 
  second 
  joint 
  

   of 
  funiculus 
  elongate 
  obconic, 
  the 
  first 
  short 
  obconic, 
  the 
  rest 
  very 
  short; 
  club 
  short, 
  

   and 
  obliquely 
  truncated, 
  the 
  three 
  terminal 
  joints 
  for 
  the 
  most 
  part 
  hidden 
  and 
  en- 
  

   closed 
  by 
  the 
  basal 
  joint. 
  

  

  P. 
  quadrituhei 
  culalus 
  is 
  black, 
  clothed 
  with 
  dark 
  brown 
  scales; 
  thorax 
  rather 
  

   coarsely 
  punctured, 
  with 
  a 
  mesial 
  keel 
  and 
  a 
  short 
  keel 
  on 
  each 
  side 
  of 
  the 
  disc; 
  

   elytra 
  with 
  large 
  punctures 
  arranged 
  in 
  rows. 
  Length 
  6 
  lines 
  ; 
  width 
  3 
  lines. 
  Hab. 
  

   Moreton 
  Bay. 
  The 
  male 
  smaller 
  and 
  narrower 
  than 
  indicated 
  by 
  the 
  dimensions 
  

   here 
  given. 
  

  

  Ch^tectetorus, 
  Schonherr, 
  

  

  C. 
  spinipennis, 
  a 
  new 
  species. 
  Length 
  4 
  lines; 
  width 
  If 
  line. 
  Black, 
  clothed 
  

   with 
  brownish 
  scales: 
  thorax 
  with 
  a 
  short 
  mesial 
  keel, 
  and 
  two 
  longitudinal 
  and 
  

   slightly 
  elevated 
  crests 
  on 
  the 
  fore 
  part, 
  diverging 
  slightly 
  as 
  they 
  extend 
  backwards 
  

   towards 
  the 
  middle 
  of 
  the 
  thorax 
  ; 
  elytra 
  punctate-striated, 
  with 
  a 
  transverse 
  black 
  

   band 
  behind 
  the 
  middle, 
  and 
  which 
  does 
  not 
  extend 
  to 
  the 
  outer 
  margins 
  ; 
  an 
  oblong 
  

   black 
  spot 
  between 
  this 
  and 
  the 
  base, 
  a 
  small 
  tubercle 
  towards 
  the 
  apex, 
  clothed 
  with 
  

   pale 
  brown 
  scales, 
  and 
  minute 
  black 
  markings 
  ; 
  apex 
  produced 
  at 
  the 
  suture 
  into 
  a 
  

   sharp 
  spine, 
  and 
  some 
  acute 
  denticles 
  external 
  to 
  this 
  spine. 
  Hab. 
  Australia. 
  

  

  Sympiezocelus, 
  a 
  new 
  genus 
  of 
  the 
  Cryptorhynchida; 
  — 
  first 
  division 
  : 
  founded 
  

   upon 
  an 
  insect 
  which 
  in 
  general 
  form 
  reminds 
  one 
  of 
  the 
  species 
  of 
  Tranes 
  or 
  

   Iphipus. 
  

  

  S. 
  Spencei 
  is 
  of 
  a 
  glossy, 
  pitchy-black 
  colour, 
  destitute 
  of 
  scales 
  : 
  rostrum 
  short, 
  

   rather 
  slender 
  and 
  depressed, 
  dilated 
  at 
  the 
  base 
  ; 
  antennal 
  groove 
  in 
  form 
  of 
  an 
  ob- 
  

   long 
  fovea, 
  situated 
  immediately 
  in 
  front 
  of 
  the 
  eye 
  ; 
  antennse 
  with 
  the 
  basal 
  joint 
  

   (or 
  scape) 
  very 
  short 
  and 
  almost 
  obconic; 
  first 
  and 
  second 
  joints 
  of 
  funiculus 
  obconic, 
  

   the 
  rest 
  short 
  ; 
  club 
  of 
  a 
  very 
  short 
  oval 
  form, 
  almost 
  round: 
  thorax 
  emarginated 
  on 
  

   each 
  side 
  behind 
  the 
  eye, 
  constricted 
  in 
  front, 
  the 
  sides 
  very 
  little 
  rounded, 
  upper 
  sur- 
  

   face 
  but 
  little 
  convex, 
  with 
  scattered 
  punctures, 
  and 
  a 
  very 
  short 
  keel 
  behind: 
  elytra 
  

   very 
  little 
  broader 
  than 
  the 
  thorax, 
  oblong, 
  rounded 
  at 
  the 
  apex, 
  strongly 
  punctato- 
  

   striated: 
  legs 
  short, 
  femora 
  large 
  and 
  compressed 
  ; 
  tibis 
  broad 
  and 
  compressed, 
  den- 
  

   tated 
  externally 
  near 
  the 
  apex, 
  and 
  with 
  a 
  large 
  incurved 
  claw 
  at 
  the 
  apex 
  ; 
  tarsi 
  

   small, 
  not 
  dilated 
  : 
  the 
  two 
  basal 
  joints 
  destitute 
  of 
  spongy 
  substance 
  beneath. 
  Hab. 
  

   Richmond 
  River, 
  Australia. 
  

  

  HvBOPHORus, 
  a 
  new 
  genus 
  of 
  the 
  Cryptorhynchida 
  — 
  second 
  division 
  : 
  the 
  rostral 
  

   groove 
  not 
  acutely 
  margined 
  behind 
  : 
  founded 
  upou 
  an 
  insect 
  having 
  the 
  general 
  form 
  

   nearly 
  similar 
  to 
  certain 
  species 
  of 
  Centrinus, 
  such 
  as 
  C. 
  morio 
  : 
  the 
  thorax 
  short, 
  

   narrow 
  before, 
  and 
  broad 
  behind; 
  the 
  elytra 
  much 
  broader 
  than 
  the 
  thorax 
  at 
  the 
  base. 
  

  

  