﻿96 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol. 
  los 
  

  

  Bolbocerosoma, 
  revised 
  by 
  Dawson 
  and 
  McColloch, 
  1924 
  (Canadian 
  

   Ent., 
  vol. 
  56, 
  pp. 
  9-15), 
  is 
  not 
  included, 
  nor 
  is 
  the 
  true 
  Bolboceras, 
  

   which 
  was 
  revised 
  under 
  the 
  name 
  Odontaeus 
  by 
  J. 
  B. 
  Wallis, 
  1928 
  

   (Canadian 
  Ent., 
  vol. 
  60, 
  pp. 
  119-128, 
  151-156, 
  168-176). 
  

  

  The 
  number 
  of 
  specimens 
  available 
  for 
  study 
  was 
  greatly 
  increased 
  by 
  

   material 
  borrowed 
  from 
  museum 
  and 
  private 
  collections. 
  I 
  am 
  grate- 
  

   ful 
  for 
  the 
  opportunity 
  to 
  study 
  these 
  added 
  specimens 
  and 
  thank 
  the 
  

   following 
  who 
  loaned 
  museum 
  specimens: 
  R. 
  H. 
  Beamer, 
  Snow 
  

   Museum, 
  University 
  of 
  Kansas 
  (KAN); 
  E, 
  C. 
  Becker, 
  Canadian 
  

   Department 
  of 
  Agriculture 
  (CD 
  A) 
  ; 
  M. 
  A. 
  Cazier, 
  American 
  Museum 
  

   of 
  Natural 
  History 
  (AMNH) 
  ; 
  P. 
  J. 
  Darlington, 
  Museum 
  of 
  Compara- 
  

   tive 
  Zoology 
  (MCZ) 
  ; 
  Henry 
  Dietrich, 
  Cornell 
  University 
  (CU) 
  ; 
  T. 
  H. 
  

   Hubbell, 
  University 
  of 
  Michigan 
  (MICH); 
  P. 
  D. 
  Hurd, 
  University 
  

   of 
  California 
  (CAL) 
  ; 
  J. 
  N. 
  Knull, 
  Ohio 
  State 
  University 
  (OSU) 
  ; 
  Hugh 
  

   B. 
  Leech, 
  California 
  Academy 
  of 
  Sciences 
  (CAS) 
  ; 
  L. 
  M. 
  Martin, 
  Los 
  

   Angeles 
  County 
  Museum 
  (LAC) 
  ; 
  H. 
  J. 
  Reinhard, 
  A. 
  & 
  M. 
  College 
  of 
  

   Texas 
  (TEX); 
  V. 
  D. 
  Roth, 
  Oregon 
  State 
  CoUege 
  (ORE); 
  M. 
  W. 
  

   Sanderson, 
  Illinois 
  Natural 
  History 
  Survey 
  (INHS) 
  ; 
  and 
  G. 
  E. 
  

   Wallace, 
  Carnegie 
  Museum, 
  Pittsburgh 
  (CARN). 
  My 
  thanks 
  are 
  

   extended 
  also 
  to 
  those 
  who 
  loaned 
  specimens 
  from 
  their 
  private 
  collec- 
  

   tions: 
  R. 
  H. 
  Arnett, 
  D. 
  K. 
  Duncan, 
  C. 
  A. 
  Frost, 
  P. 
  C. 
  Grassman, 
  

   Henry 
  Howden, 
  A. 
  T. 
  McClay, 
  G. 
  H. 
  Nelson, 
  F. 
  H. 
  Parker, 
  Mark 
  

   Robinson, 
  E. 
  C. 
  VanDyke, 
  and 
  F. 
  G. 
  Werner. 
  I 
  am 
  especially 
  grate- 
  

   ful 
  to 
  Henry 
  Howden 
  who 
  examined 
  my 
  types, 
  compared 
  specimens 
  

   with 
  them 
  and 
  later 
  furnished 
  those 
  records 
  marked 
  with 
  an 
  asterisk. 
  

   The 
  few 
  records 
  of 
  the 
  eastern 
  Brady 
  cinetulus 
  ferrugineus 
  (Palisot 
  de 
  

   Beauvois) 
  taken 
  from 
  the 
  literature 
  are 
  marked 
  with 
  a 
  double 
  asterisk. 
  

   Florida 
  records 
  from 
  the 
  literature 
  are 
  from 
  Blatchley 
  (Florida 
  Ent., 
  

   vol. 
  12, 
  p. 
  29, 
  1925), 
  Alabama 
  records 
  from 
  Loding 
  (Geol. 
  Surv. 
  

   Alabama 
  Monogr, 
  11, 
  p. 
  101, 
  1945), 
  and 
  North 
  Carolina 
  records 
  from 
  

   Brimley 
  (The 
  insects 
  of 
  North 
  Carolina, 
  p. 
  201, 
  1938). 
  

  

  AU 
  other 
  distribution 
  records 
  were 
  copied 
  from 
  labels 
  attached 
  

   to 
  specimens 
  I 
  examined. 
  

  

  Key 
  to 
  the 
  genera 
  of 
  Bolboceratini 
  

  

  1 
  . 
  Eye 
  entirely 
  divided 
  by 
  ocular 
  canthus 
  2 
  

  

  Eye 
  not 
  completely 
  divided 
  by 
  ocular 
  canthus 
  3 
  

  

  2. 
  Middle 
  coxae 
  narrowly 
  separated; 
  the 
  intercoxal 
  process 
  with 
  a 
  vertical 
  tooth- 
  

  

  like 
  elevation 
  in 
  front 
  of 
  the 
  coxae; 
  species 
  usually 
  bicolored. 
  -Bolbocerosoma 
  

  

  The 
  intercoxal 
  process 
  without 
  toothlike 
  elevation; 
  species 
  not 
  bicolored; 
  

  

  males 
  usually 
  with 
  long 
  cephalic 
  horn 
  Bolboceras 
  * 
  

  

  3. 
  Middle 
  coxae 
  subcontiguous 
  ; 
  metasternum 
  linear 
  between 
  the 
  coxae 
  4 
  

  

  Middle 
  coxae 
  separated 
  by 
  the 
  anterior 
  lobe 
  of 
  the 
  metasternal 
  plate, 
  which 
  is 
  

  

  never 
  linear 
  between 
  the 
  coxae 
  6 
  

  

  > 
  Odontaeus 
  is 
  a 
  synonym. 
  See 
  Introduction 
  and 
  also 
  discussion 
  under 
  Bradycinetulus. 
  

  

  