﻿478 
  REVISION 
  OF 
  THE 
  ELATE 
  RID 
  <E 
  

  

  Iatitudine 
  longiore, 
  antrorsum 
  moilice 
  angustato, 
  latcribus 
  latius 
  rotundatis, 
  sat 
  grosse 
  punctato, 
  an- 
  

   gulis 
  posticis 
  bicarinatis, 
  elytris 
  a 
  basi 
  angustatis, 
  striis 
  punctatis 
  subimpressis, 
  iuterstitiis 
  parce 
  

   punctulatis, 
  pedibus 
  obscure 
  ferrugineis, 
  antennis 
  articulo 
  3'° 
  sequente 
  paulo 
  breviore. 
  Long. 
  *53. 
  

  

  Two 
  specimens, 
  Santa 
  Fe, 
  collected 
  by 
  Mr. 
  Fendler. 
  This 
  species 
  is 
  related 
  to 
  the 
  

   two 
  preceding, 
  but 
  differs 
  by 
  its 
  narrower 
  form, 
  the 
  thorax 
  being 
  proportionally 
  longer, 
  

   and 
  not 
  wider 
  than 
  the 
  elytra, 
  less 
  narrowed 
  in 
  front, 
  and 
  less 
  rounded 
  on 
  the 
  sides. 
  

  

  21. 
  C. 
  parumpunctatus, 
  nigro-piceus, 
  cinereo-pubcscens, 
  fronte 
  non 
  concava, 
  thorace 
  Iatitu- 
  

   dine 
  paulo 
  longiore, 
  antiee 
  prsecipue 
  versus 
  apicem 
  magis 
  angustato, 
  lateribus 
  rotundatis, 
  parce 
  mo- 
  

   dice 
  punctato, 
  postice 
  subcanaliculato, 
  elytris 
  a 
  basi 
  angustatis, 
  striis 
  punctatis, 
  paulo 
  impressis, 
  in- 
  

   terstitiis 
  parce 
  punctulatis, 
  pedibus 
  antennisque 
  ferrugineis, 
  his 
  articulo 
  3'° 
  sequentc 
  paulo 
  breviore. 
  

   Long. 
  "45. 
  

  

  Melsheimer, 
  Proc. 
  Acad. 
  Nat. 
  Sc. 
  2, 
  150. 
  

  

  Middle 
  States. 
  This 
  species 
  has 
  very 
  much 
  the 
  appearance 
  of 
  C. 
  communis, 
  but 
  is 
  

   darker 
  coloured, 
  and 
  has 
  the 
  punctures 
  of 
  the 
  thorax 
  somewhat 
  smaller, 
  and 
  much 
  less 
  

   dense: 
  even 
  at 
  the 
  sides 
  they 
  are 
  not 
  at 
  all 
  confluent; 
  the 
  posterior 
  angles 
  of 
  the 
  thorax 
  

   do 
  not 
  appear 
  bicarinated; 
  otherwise 
  there 
  is 
  no 
  special 
  difference. 
  

  

  22. 
  C. 
  verberans, 
  fuscus, 
  cinereo-pubescens, 
  fronte 
  non 
  concava, 
  thorace 
  Iatitudine 
  non 
  lon- 
  

   giore, 
  antrorsum 
  valde 
  angustato, 
  lateribus 
  rotundatis, 
  parce 
  modice 
  punctato, 
  angulis 
  posticis 
  vix 
  

   bicarinatis, 
  elytris 
  a 
  basi 
  angustatis, 
  striis 
  punctatis 
  subimpressis, 
  interstitiis 
  parce 
  punctulatis, 
  an- 
  

   tennis 
  pedibusque 
  fusco-testaceis, 
  illis 
  articulo 
  3'° 
  sequente 
  sesqui 
  minore. 
  Long. 
  -39 
  — 
  -47. 
  

  

  Two 
  specimens, 
  Maryland. 
  Resembles 
  exactly 
  C. 
  communis, 
  but 
  the 
  thorax 
  is 
  less 
  

   rounded 
  on 
  the 
  sides, 
  and 
  less 
  densely 
  punctured: 
  there 
  is 
  no 
  trace 
  of 
  a 
  dorsal 
  channel: 
  

   the 
  inner 
  one 
  of 
  the 
  carina 
  of 
  the 
  posterior 
  angles 
  is 
  less 
  distinct, 
  and 
  the 
  third 
  joint 
  of 
  

   the 
  antenna? 
  is 
  proportionally 
  smaller, 
  being 
  about 
  intermediate 
  in 
  size 
  between 
  the 
  second 
  

   and 
  fourth. 
  

  

  23. 
  C. 
  e 
  missus, 
  longior, 
  fuscus, 
  cinereo-pubescens, 
  fronte 
  non 
  concava, 
  thorace 
  Iatitudine 
  non 
  

   longiore, 
  lateribus 
  parallelis, 
  antiee 
  rotundatis, 
  modice 
  punctato, 
  densius 
  ad 
  latera, 
  angulis 
  posticis 
  

   bicarinatis, 
  elytris 
  a 
  basi 
  subangustatis, 
  striis 
  punctatis 
  subimpressis, 
  interstitiis 
  parce 
  punctatis, 
  an- 
  

   tennis 
  pedibusque 
  testaceis, 
  illis 
  articulo 
  3'° 
  sequente 
  sesqui 
  minore. 
  Long. 
  -41. 
  

  

  One 
  specimen, 
  Georgia. 
  More 
  cylindrical 
  than 
  the 
  preceding, 
  with 
  the 
  elytra 
  less 
  nar- 
  

   rowed 
  posteriorly, 
  and 
  easily 
  distinguished 
  by 
  the 
  sides 
  of 
  the 
  thorax 
  being 
  nearly 
  parallel 
  

   for 
  three-fourths 
  of 
  their 
  length. 
  The 
  punctures 
  of 
  the 
  thorax 
  are 
  finer 
  and 
  more 
  nume- 
  

   rous 
  than 
  in 
  the 
  next 
  species. 
  

  

  24. 
  C. 
  infaustus, 
  piceo-fuscus, 
  longior, 
  cinereo-pubescens, 
  fronte 
  non 
  concava, 
  thorace 
  Iatitu- 
  

   dine 
  longiore, 
  lateribus 
  rectis, 
  paulo 
  convergentibus, 
  antiee 
  rotundatis, 
  parce 
  punctato, 
  elytris 
  a 
  basi 
  

   angustatis, 
  striis 
  impressis 
  punctatis, 
  interstitiis 
  parce 
  punctulatis, 
  pedibus 
  antennisque 
  castaneo-rufis, 
  

   his 
  articulo 
  3'° 
  sequente 
  subbreviore. 
  Long. 
  *46. 
  

  

  Georgia. 
  The 
  straight, 
  slightly 
  converging 
  sides 
  of 
  the 
  thorax, 
  rounded 
  only 
  near 
  the 
  

   apex, 
  will 
  distinguish 
  this 
  species: 
  the 
  posterior 
  angles 
  have 
  only 
  one 
  carina. 
  

  

  25. 
  C. 
  cribulosus, 
  fuscus, 
  longius 
  cinereo-pilosus, 
  fronte 
  non 
  concava, 
  thorace 
  Iatitudine 
  non 
  

   longiore, 
  antrorsum 
  angustato, 
  lateribus 
  (maris 
  fere 
  rectis) 
  feminoe 
  rotundatis, 
  cribratim 
  punctato, 
  

  

  