﻿130 
  PROCEEDINGS 
  OF 
  THE 
  XJTIOXAL 
  MCSEUM. 
  

  

  /i^ 
  Lobes 
  of 
  furcnla 
  broader 
  tliiiii 
  loug; 
  extremity 
  of 
  subgenital 
  plate 
  

   of 
  male 
  elevated 
  and 
  considerably 
  recurved; 
  interval 
  between 
  meso- 
  

   sternal 
  lobes 
  of 
  male 
  nearly 
  or 
  (|uite 
  twice 
  as 
  loug 
  as 
  broad. 
  

  

  105. 
  fexanns 
  (p. 
  324). 
  

   e-. 
  Subgenital 
  plate 
  of 
  male 
  distinctly 
  narrower 
  th;in 
  loug, 
  often 
  narrowing 
  

   apically 
  (24. 
  Plebejus 
  series). 
  

   /'. 
  Hind 
  margin 
  of 
  pronotum 
  distinctly 
  tbougli 
  obtusely 
  angulate 
  ; 
  inter- 
  

   val 
  betwicu 
  mesosternal 
  lobes 
  of 
  female 
  at 
  least 
  lialf 
  as 
  long 
  again 
  as 
  

   broad; 
  ajiical 
  portion 
  of 
  anal 
  cerci 
  of 
  male 
  distinctly 
  and 
  sbarply 
  sulcata 
  

  

  i'xteriorly 
  106. 
  pJehejus 
  (p. 
  326). 
  

  

  /-. 
  Hiud 
  margin 
  of 
  prouotum 
  rarely 
  angulate, 
  sometimes 
  emargiuate; 
  

   interval 
  betweeu 
  mesosternal 
  lobes 
  of 
  female 
  ( 
  whei'e 
  known) 
  subquadrate; 
  

   apical 
  portion 
  of 
  anal 
  cerci 
  of 
  uiale 
  exteriorly 
  tumid 
  or 
  plaue. 
  

  

  g^. 
  Posterior 
  margin 
  of 
  pronotum 
  distinctly 
  emargiuate 
  in 
  the 
  middle; 
  

   tegmiua 
  widely 
  separated; 
  cerci 
  of 
  male 
  elongate, 
  surpassing 
  the 
  supra- 
  

   anal 
  plate; 
  suligeuital 
  plate 
  broader 
  at 
  base 
  than 
  apically, 
  its 
  apical 
  

  

  margin 
  regularly 
  rounded 
  and 
  even 
  107. 
  i/racilis 
  (p. 
  327). 
  

  

  g-. 
  Posterior 
  margin 
  of 
  prouotum 
  obtusely 
  angulated 
  or 
  rounde 
  1 
  trun- 
  

   cate, 
  with 
  at 
  most 
  but 
  feeblest 
  sign 
  of 
  any 
  emiirgination 
  ; 
  tegmiua 
  attiu- 
  

   geut 
  or 
  overlapping; 
  cerci 
  of 
  male 
  relatively 
  brief, 
  not 
  surpassing 
  the 
  

   supraaual 
  plate: 
  subgenital 
  plate 
  not 
  broader 
  at 
  base 
  than 
  apically, 
  its 
  

   apical 
  margin 
  angulate 
  or 
  tuberculate. 
  

   /('. 
  Tegmina 
  shorter 
  than 
  pronotum; 
  posterior 
  margin 
  of 
  prouotum 
  

   rounded 
  truncate 
  with 
  feeblest 
  signs 
  of 
  mesial 
  emargination 
  ; 
  cerci 
  of 
  

   male 
  curved 
  slightly 
  upward; 
  subgenital 
  plate 
  ending 
  in 
  a 
  blnut 
  

  

  rather 
  coarse 
  tubercle 
  108. 
  inojjs 
  (p. 
  329) 
  . 
  

  

  h^. 
  Tegmina 
  longer 
  than 
  pronotum; 
  posterior 
  margin 
  of 
  prouotum 
  

   distinctly 
  though 
  very 
  obtusely 
  augulate; 
  cerci 
  of 
  male 
  curved 
  feebly 
  

   downward; 
  subgenital 
  plate 
  ending 
  in 
  a 
  delicate 
  pointed 
  tubercle. 
  

  

  109. 
  wargniatits 
  (p. 
  330). 
  

   A-. 
  Tegmiua 
  nearly 
  or 
  quite 
  as 
  long 
  as, 
  or 
  longer 
  than, 
  the 
  abdomen 
  ; 
  furcula 
  usually 
  

   well 
  developed, 
  generally 
  at 
  least 
  a 
  (juarter 
  as 
  loug 
  as 
  the 
  supraaual 
  plate, 
  but 
  some- 
  

   times 
  obsolete. 
  

  

  bK 
  Cerei 
  of 
  male 
  rapidly 
  expanding 
  from 
  the 
  base 
  toward 
  the 
  middle, 
  as 
  a 
  whole 
  

   broad 
  and 
  short, 
  llabellate, 
  rarelj" 
  twice 
  as 
  long 
  as 
  broad, 
  not 
  expanded 
  apically 
  

   (2. 
  Flabellifer 
  series). 
  

  

  c'. 
  Cerci 
  of 
  male 
  twice 
  as 
  broad 
  in 
  broadest 
  as 
  in 
  narrowest 
  portion. 
  

  

  dK 
  Subgenital 
  plateof 
  male 
  with 
  adistinct 
  though 
  minute 
  independent 
  ' 
  apical 
  

  

  tubercle 
  4. 
  occidentaUn 
  (p. 
  145). 
  

  

  d-. 
  Subgenital 
  plate 
  of 
  male 
  with 
  only 
  an 
  obscure 
  trace 
  of 
  ajiical 
  tubercle. 
  

  

  5. 
  cuneatiis 
  (p. 
  147). 
  

  

  c^. 
  Cerci 
  of 
  male 
  with 
  no 
  striking 
  inequality 
  in 
  breadth.. 
  6. 
  Jiahellifer 
  (p. 
  148). 
  

  

  h-. 
  Cerci 
  of 
  male 
  tapering 
  from 
  the 
  very 
  base 
  toward 
  the 
  middle, 
  rarely 
  equal 
  in 
  

  

  basal 
  portion- 
  generally 
  long 
  and 
  slender 
  and 
  rarely 
  as 
  little 
  as 
  twice 
  as 
  long 
  as 
  

  

  broad. 
  

  

  c'. 
  Cerci 
  of 
  nuile 
  beyond 
  the 
  middle 
  either 
  e(|ual 
  or 
  tapering, 
  the 
  tip 
  usually 
  

   slender 
  or 
  acuminate, 
  never 
  bifurcate 
  (in 
  .17. 
  aler 
  it 
  enlarges 
  feebly). 
  

  

  rf^ 
  Furcula 
  of 
  male 
  developed 
  as 
  large 
  Hattened 
  lobes, 
  about 
  half 
  as 
  long 
  as 
  

   the 
  supraaual 
  plate 
  and 
  ex( 
  eptionally 
  broad, 
  but 
  apically 
  narrowed 
  by 
  the 
  

   considerable 
  excision 
  of 
  their 
  inner 
  side 
  ; 
  subgenital 
  plate 
  not 
  elevated 
  apically 
  

   above 
  the 
  lateral 
  margins 
  (^3. 
  Bowditchi 
  series). 
  

  

  ' 
  That 
  is, 
  not 
  formed 
  by 
  the 
  culmination 
  of 
  the 
  more 
  or 
  less 
  pyramidal 
  form 
  of 
  the 
  

   subgenital 
  plate. 
  

  

  -In 
  rare 
  instances 
  it 
  expands 
  slightly 
  from 
  the 
  extreme 
  base, 
  but 
  it 
  is 
  then 
  greatly 
  

   expanded 
  apically. 
  

  

  