﻿234 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM. 
  vol.xx. 
  

  

  male, 
  a 
  little 
  narrower 
  than 
  the 
  interspace 
  between 
  the 
  eyes, 
  sulcate 
  at 
  

   and 
  below 
  the 
  ocellus, 
  punctate 
  tbroughout 
  like 
  the 
  rest 
  of 
  the 
  face 
  

   and 
  geiiae; 
  eyes 
  of 
  moderate 
  size, 
  only 
  moderately 
  prominent 
  even 
  in 
  

   the 
  male, 
  scarcely 
  longer 
  than 
  the 
  intraocular 
  portion 
  of 
  the 
  genae; 
  

   antenuae 
  castaneous 
  becoming 
  slightly 
  infuscated 
  apically, 
  consider- 
  

   ably 
  more 
  (male) 
  or 
  slightly 
  less 
  (female) 
  than 
  two-thirds 
  as 
  long 
  as 
  

   the 
  hind 
  femora. 
  Pronotum 
  subequal, 
  faintly 
  enlarging 
  posteriorly, 
  

   especially 
  in 
  the 
  female, 
  the 
  prozona 
  with 
  a 
  broad 
  postocular 
  piceous 
  

   band, 
  beneath 
  which 
  the 
  lateral 
  lobes 
  are 
  dull 
  flavo-testaceous, 
  the 
  

   disk 
  broadly 
  convex, 
  passing 
  by 
  a 
  broadly 
  rounded 
  angulation 
  nowhere 
  

   forming 
  lateral 
  carinae 
  into 
  the 
  vertical 
  lateral 
  lobes; 
  median 
  carina 
  

   distinct 
  but 
  very 
  low 
  on 
  the 
  metazona, 
  subobsolete 
  on 
  the 
  prozona 
  

   except 
  at 
  the 
  extreme 
  front; 
  front 
  margin 
  truncate, 
  hind 
  margin 
  obtus- 
  

   angulate; 
  prozona 
  quadrate 
  or 
  feebly 
  longitudinal 
  (male) 
  or 
  feebly 
  

   transverse 
  (female), 
  a 
  little 
  (male) 
  or 
  scarcely 
  (female) 
  longer 
  than 
  the 
  

   ruguloso-i)unetate 
  metazona. 
  Prosternal 
  spine 
  moderately 
  large, 
  

   stout, 
  appressed 
  conical, 
  very 
  blunt, 
  slightly 
  retrorse; 
  interspace 
  

   between 
  mesosterual 
  lobes 
  subquadrate, 
  a 
  little 
  longer 
  than 
  broad 
  

   (male) 
  or 
  transverse, 
  but 
  narrower 
  than 
  the 
  lobes 
  (female). 
  Tegmina 
  

   abbreviate, 
  about 
  as 
  long 
  as 
  the 
  pronotum, 
  overlapping, 
  broad 
  sub- 
  

   ovate, 
  the 
  costal 
  margin 
  convex, 
  the 
  apex 
  acuminate, 
  brownish 
  fus- 
  

   cous, 
  minutely 
  flecked 
  with 
  fuscous. 
  Fore 
  and 
  middle 
  femora 
  consid- 
  

   erably 
  tumid 
  in 
  the 
  male; 
  hind 
  femora 
  rather 
  robust, 
  testaceous, 
  rather 
  

   narrowly 
  bifasciate 
  with 
  fuscous, 
  the 
  premedian 
  fasciation 
  angulate 
  on 
  

   the 
  outer 
  face, 
  the 
  geniculation 
  fuscous, 
  the 
  lower 
  face 
  paleflavous; 
  

   hind 
  tibiae 
  red, 
  generally 
  rather 
  pale 
  red, 
  with 
  an 
  obscure 
  fuscous 
  patel- 
  

   lar 
  spot, 
  the 
  spines 
  black 
  beyond 
  their 
  base, 
  ten 
  to 
  eleven, 
  rarely 
  

   twelve, 
  in 
  number 
  in 
  the 
  outer 
  series. 
  Extremity 
  of 
  male 
  abdouien 
  a 
  

   little 
  clavate, 
  considerably 
  recurved, 
  the 
  supraanal 
  plate 
  triangular, 
  

   the 
  apex 
  acutangulate, 
  the 
  median 
  sulcus 
  straight, 
  rather 
  narrow 
  and 
  

   moderately 
  deep, 
  extending 
  over 
  the 
  basal 
  three-fifths 
  of 
  the 
  plate 
  

   between 
  narrow 
  and 
  sharp 
  ridges, 
  terminating 
  abruptly; 
  furcula 
  con- 
  

   sisting 
  of 
  a 
  pair 
  of 
  slight 
  spinous 
  denticulations 
  shorter 
  than 
  the 
  last 
  

   dorsal 
  segment, 
  overlying 
  the 
  base 
  of 
  the 
  submedian 
  ridges 
  of 
  the 
  

   supraanal 
  plate; 
  cerci 
  small, 
  subfalcate, 
  slightly 
  upturned 
  but 
  other- 
  

   wise 
  straight 
  lamellae, 
  tapering 
  gently 
  from 
  the 
  base 
  nearly 
  or 
  quite 
  to 
  

   the 
  middle, 
  beyond 
  equal, 
  about 
  two-thirds 
  as 
  broad 
  astheextieme 
  

   base, 
  apically 
  rounded 
  or 
  subtruncate, 
  much 
  shorter 
  than 
  the 
  supra- 
  

   anal 
  plate; 
  subgenital 
  plate 
  small, 
  rudely 
  subconical, 
  terminating 
  in 
  a 
  

   feeble 
  blunt 
  tubercle. 
  

  

  Length 
  of 
  body, 
  male, 
  20 
  mm., 
  fenuile, 
  24 
  mm.; 
  antennae, 
  male, 
  8 
  

   mm., 
  female, 
  7.5 
  mm.; 
  tegmina, 
  male, 
  0.25 
  mm., 
  female, 
  mm.; 
  hind 
  

   femora, 
  male, 
  11 
  mm., 
  female, 
  12.25 
  mm. 
  

  

  Four 
  males, 
  3 
  females. 
  Loon 
  Lake, 
  Colville 
  Valley, 
  Washington, 
  

   July 
  23-25, 
  S. 
  Henshaw 
  (Museum 
  Comparative 
  Zoology; 
  LT.S.K.M. 
  — 
  

   Kiley 
  collection). 
  

  

  