﻿216 
  PEOCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM. 
  vol.xx 
  

  

  what 
  longer 
  than 
  the 
  intraocular 
  portion 
  of 
  the 
  genae; 
  antennae 
  dark 
  

   castaneous, 
  about 
  four-fifths 
  as 
  long 
  as 
  the 
  hind 
  femora. 
  Pronotuni 
  

   narrowest 
  at 
  the 
  liinder 
  section 
  of 
  the 
  ])rozona, 
  feebly 
  expanding 
  in 
  

   front, 
  slightly 
  more 
  on 
  the 
  metazona, 
  the 
  piceous 
  postocular 
  band 
  of 
  

   the 
  lateral 
  lobes 
  confined 
  to 
  the 
  prozona 
  and 
  inconspicuous 
  from 
  the 
  

   dark 
  color 
  of 
  the 
  insect, 
  though 
  brought 
  slightly 
  into 
  prominence 
  by 
  

   the 
  slight 
  paling 
  of 
  the 
  lower 
  portion 
  of 
  the 
  lateral 
  lobes 
  and 
  the 
  rufous 
  

   tinge 
  of 
  the 
  sides 
  of 
  the 
  disk, 
  the 
  disk 
  very 
  broadly 
  convex 
  and 
  pass- 
  

   ing 
  by 
  rounded 
  shoulders 
  simulating 
  lateral 
  carinae 
  into 
  the 
  vertical 
  

   lateral 
  lobes, 
  where 
  each 
  half 
  of 
  the 
  prozona 
  is 
  slightly 
  and 
  independ- 
  

   ently 
  tumid; 
  median 
  carina 
  distinct 
  and 
  rather 
  prominent 
  on 
  the 
  meta- 
  

   zona, 
  blunt 
  on 
  the 
  prozona, 
  particularly 
  between 
  the 
  sulci; 
  front 
  

   margin 
  feebly 
  convex, 
  hind 
  margin 
  rotundato 
  obtusangulate; 
  prozona 
  

   longitudinally 
  subquadrate, 
  slightly 
  longer 
  than 
  the 
  somewhat 
  coarsely 
  

   punctate 
  metazona. 
  Prosternal 
  spine 
  short 
  and 
  stout, 
  appressed 
  con- 
  

   ical, 
  retrorse; 
  interspace 
  between 
  mesosternal 
  lobes 
  about 
  half 
  as 
  long 
  

   again 
  as 
  broad. 
  Tegmina 
  abbreviate, 
  rather 
  broad 
  ovate, 
  subfusiform, 
  

   apically 
  acuminate, 
  about 
  as 
  long 
  as 
  the 
  ]^ronotum, 
  attingent, 
  blackish 
  

   fuscous. 
  Fore 
  and 
  middle 
  femora 
  consideri.bly 
  tumid 
  in 
  the 
  male; 
  hind 
  

   femora 
  rather 
  long 
  and 
  slender, 
  blackish 
  fuscous, 
  the 
  outer 
  face 
  more 
  

   or 
  less 
  and 
  irregularly 
  blotched 
  with 
  dull 
  testaceous, 
  the 
  inferior 
  face 
  

   dull 
  rufous, 
  the 
  whole 
  geniculation 
  and 
  lower 
  genicular 
  lobe 
  blackish; 
  

   hind 
  tibiae 
  very 
  pale 
  dull 
  greenish, 
  minutely 
  flecked 
  with 
  fuscous, 
  the 
  

   sj)ines 
  black 
  almost 
  to 
  the 
  base, 
  ten 
  to 
  eleven 
  in 
  the 
  outer 
  series. 
  

   Extremity 
  of 
  male 
  abdomen 
  feebly 
  clavate, 
  strongly 
  recurved, 
  the 
  

   supraanal 
  plate 
  long 
  triangular, 
  subhastate, 
  the 
  apex 
  subrectangulate, 
  

   the 
  lateral 
  margins 
  narrowly 
  elevated, 
  the 
  median 
  sulcus 
  with 
  its 
  low 
  

   rounded 
  walls 
  shallow, 
  broad 
  at 
  extremities 
  and 
  narrowed 
  near 
  the 
  

   middle, 
  where 
  the 
  plate 
  is 
  traversed 
  by 
  a 
  slight 
  transverse 
  ridge 
  which 
  

   does 
  not 
  reach 
  the 
  margins; 
  furcula 
  consisting 
  of 
  a 
  pair 
  of 
  widely 
  

   divergent, 
  slender, 
  tapering, 
  acuminate 
  spines 
  crossing 
  nearly 
  the 
  basal 
  

   fourth 
  of 
  the 
  supraanal 
  plate; 
  cerci 
  broad, 
  flat, 
  subvertical 
  laminae, 
  

   slightly 
  more 
  compressed 
  at 
  apex 
  than 
  at 
  base, 
  lying 
  nearly 
  in 
  one 
  

   plane 
  but 
  feebly 
  incurved 
  and 
  very 
  faintly 
  upcurved, 
  subequal, 
  well 
  

   rounded 
  apically 
  particularly 
  on 
  the 
  inferior 
  margin, 
  a 
  little 
  more 
  than 
  

   twice 
  as 
  long 
  as 
  broad, 
  falling 
  considerably 
  short 
  of 
  the 
  tip 
  of 
  the 
  

   supraanal 
  plate, 
  rather 
  coarsely 
  punctate; 
  subgenital 
  plate 
  small, 
  feebly 
  

   subpyramidal, 
  the 
  apex 
  elevated 
  only 
  by 
  the 
  gradual 
  and 
  exceedingly 
  

   slight 
  upward 
  curve 
  of 
  the 
  margin, 
  which 
  as 
  seen 
  from 
  above 
  is 
  well 
  

   rounded 
  and 
  entire. 
  

  

  Length 
  of 
  body, 
  male, 
  IG 
  mm.; 
  antennae, 
  6 
  mm.; 
  tegmina, 
  4 
  mm.; 
  

   hind 
  femora, 
  0.75 
  mm. 
  

  

  Two 
  males. 
  IJabbit 
  Ears 
  Pass, 
  Colorado, 
  at 
  the 
  height 
  of 
  about 
  

   10,000 
  feet, 
  or 
  probably 
  1,000 
  feet 
  below 
  timber 
  line, 
  July 
  I'O, 
  C. 
  F. 
  

   Baker 
  (C. 
  P. 
  Gillette). 
  Mr. 
  Baker 
  has 
  also 
  sent 
  me 
  specimens 
  taken 
  

   by 
  him 
  at 
  Cameron 
  Pass 
  in 
  northern 
  Colorado 
  at 
  a 
  height 
  of 
  11,800 
  

   feet, 
  and 
  on 
  Clark's 
  Peak, 
  Colorado, 
  at 
  a 
  height 
  of 
  11,700 
  feet. 
  

  

  