﻿72 
  PROCEEDINGS 
  OF 
  TEE 
  NATIONAL 
  MUSEUM. 
  vol.xx. 
  

  

  the 
  fastigium 
  to 
  the 
  hinder 
  margin, 
  broadening 
  posteriorly 
  and 
  contin- 
  

   uing 
  across 
  the 
  pronotuin, 
  where 
  it 
  is 
  very 
  much 
  broader, 
  broadest 
  in 
  

   the 
  middle 
  or 
  at 
  the 
  hinder 
  extremity 
  and 
  sometimes 
  inclosing 
  a 
  slender 
  

   thread 
  or 
  stripe 
  of 
  testaceous; 
  thei"e 
  is 
  also 
  a 
  lateral 
  blue-green 
  band, 
  

   its 
  upper 
  limit 
  at 
  the 
  summit 
  of 
  the 
  lateral 
  lobes 
  of 
  the 
  pronotnm, 
  

   which 
  starts 
  from 
  behind 
  the 
  eye 
  and 
  crosses 
  tlie 
  prozona, 
  where 
  it 
  is 
  

   much 
  the 
  widest, 
  occupying 
  from 
  a 
  third 
  to 
  a 
  half 
  the 
  length 
  of 
  the 
  

   lateral 
  lobes, 
  and 
  occasionally 
  suffusing 
  tlie 
  metazona; 
  rest 
  of 
  pro- 
  

   notnm 
  brownish 
  testaceous, 
  sometimes 
  with 
  a 
  yellow 
  tinge; 
  frontal 
  

   costa 
  equal, 
  as 
  wide 
  as 
  the 
  interval 
  between 
  the 
  eyes, 
  slightly 
  depressed 
  

   at 
  the 
  ocellus; 
  antennae 
  orange. 
  l*ronotum 
  obtusely 
  angulate 
  poste- 
  

   riorly, 
  the 
  median 
  carina 
  distinct 
  on 
  the 
  metazona, 
  feebly 
  indicated 
  on 
  

   the 
  prozona 
  in 
  the 
  male 
  and 
  occasionally 
  in 
  the 
  female. 
  Prosternal 
  

   spine 
  rather 
  slender, 
  conic^al, 
  reaching 
  the 
  level 
  of 
  the 
  pectus. 
  Tegmina 
  

   generally 
  slightly 
  longer 
  than 
  the 
  abdomen, 
  especially 
  in 
  the 
  male, 
  

   sometimes 
  only 
  as 
  long 
  as 
  it, 
  rather 
  broad, 
  esj^ecially 
  just 
  bej'ond 
  the 
  

   base, 
  brownish 
  green, 
  with 
  darker 
  green 
  tleckings 
  and 
  yellowish 
  cross- 
  

   veins 
  ; 
  beyond 
  the 
  subbasal 
  enlargement 
  they 
  taper 
  regularly 
  and 
  gently, 
  

   the 
  tip 
  rounded; 
  hind 
  wings 
  a 
  little 
  shorter 
  than 
  the 
  tegmina, 
  moder 
  

   ately 
  broad, 
  the 
  veins 
  bluish 
  green, 
  slightly 
  infuscated 
  next 
  the 
  costa. 
  

   Hind 
  femora 
  testaceous 
  yellow, 
  with 
  two 
  broad 
  angulate 
  and 
  sagittate 
  

   blue-green 
  bands, 
  darkest 
  above; 
  hind 
  tibiae 
  ])ale 
  blue-green, 
  pallid 
  

   at 
  base 
  and 
  pallescent 
  apicall}", 
  the 
  spines 
  i)allid, 
  with 
  the 
  apical 
  half 
  

   blackish 
  brown. 
  Supraanal 
  plate 
  of 
  male 
  subtriangular, 
  with 
  broadly 
  

   angulate 
  sides, 
  as 
  long 
  as 
  broad, 
  the 
  acutely 
  angulate 
  tip 
  rounded, 
  tlie 
  

   surface 
  nearly 
  plane 
  but 
  faintly 
  elevated 
  to 
  the 
  slight 
  ridges 
  which 
  

   mark 
  the 
  boundaries 
  of 
  the 
  rather 
  broad 
  and 
  shallow 
  median 
  sulcus 
  

   that 
  extends 
  over 
  the 
  basal 
  half, 
  narrowing 
  slightly 
  in 
  its 
  passage; 
  

   there 
  is 
  besides, 
  on 
  either 
  side, 
  an 
  oblique 
  and 
  narrow 
  ridge, 
  extending 
  

   from 
  the 
  extreme 
  outer 
  base 
  toward 
  the 
  middle 
  of 
  the 
  distal 
  half 
  of 
  the 
  

   opposite 
  side, 
  terminating 
  halfway 
  there; 
  furcula 
  consisting 
  of 
  a 
  pair 
  

   of 
  scarcely 
  projecting, 
  minute, 
  attingent, 
  angulate 
  or 
  subangulate 
  lobes; 
  

   infracercal 
  i^late 
  as 
  long 
  as 
  the 
  supraanal, 
  concealed 
  by 
  the 
  recumbent 
  

   cerci; 
  cerci 
  feebly 
  compressed, 
  of 
  the 
  length 
  of 
  the 
  supraanal 
  plate, 
  

   tapering 
  in 
  the 
  basal 
  half, 
  beyond 
  slender, 
  cylindrical, 
  subequal, 
  but 
  

   apically 
  tapering 
  and 
  feebly 
  curved 
  downward 
  and 
  inward; 
  subapical 
  

   tubercle 
  of 
  the 
  subgenital 
  plate 
  moderately 
  prominent, 
  erect, 
  verj^ 
  

   bluntly 
  conical 
  as 
  seen 
  from 
  behind. 
  

  

  Length 
  of 
  body, 
  male, 
  10.5 
  mm., 
  female, 
  27.5 
  mm.; 
  antennae, 
  male. 
  

   8 
  mm., 
  female, 
  9.75 
  mm.; 
  tegmina, 
  male, 
  14 
  mm., 
  female, 
  19 
  mm.; 
  hind 
  

   femora, 
  male, 
  11.5 
  mm., 
  female, 
  10.5 
  mm. 
  

  

  Five 
  males, 
  41 
  females. 
  Cheyenne 
  County, 
  Kansas, 
  F. 
  W. 
  Cragin 
  

   (L. 
  Bruner); 
  Lakin, 
  Kearny 
  County, 
  Kansas, 
  3,000 
  feet, 
  July-Septem- 
  

   ber; 
  between 
  Smoky 
  Hill, 
  Kansas, 
  and 
  Denver, 
  Colorado, 
  L. 
  Agassiz 
  

   (Mus. 
  Comp. 
  Zool.) 
  ; 
  Pueblo, 
  Colorado, 
  July-August; 
  Colorado, 
  Morrison 
  

   (S. 
  Henshaw); 
  Colorado 
  (U.S.X.M.); 
  Grand 
  Junction, 
  Mesa 
  County, 
  

   Colorado, 
  June 
  (L. 
  Bruner); 
  Pecos 
  Kiver, 
  Texas, 
  Captain 
  Pope. 
  

  

  