﻿238 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM. 
  

  

  Thirteen 
  males, 
  IG 
  females. 
  Montana 
  (U.S.N.M. 
  — 
  Riley 
  collection); 
  

   Fort 
  Ellis, 
  Montana, 
  July 
  29-30 
  (same); 
  Englewood, 
  Lawrence 
  County, 
  

   South 
  Dakota, 
  Haggard 
  (L.Bruner) 
  ; 
  Custer, 
  Black 
  Hills, 
  South 
  Dakota, 
  

   Brimer 
  (U.S.N. 
  M. 
  — 
  Riley 
  collection); 
  Harueys 
  Peak, 
  South 
  Dakota, 
  

   7,000 
  to 
  8,000 
  feet, 
  Bruner 
  (same); 
  Fort 
  McKinney, 
  Johnson 
  County, 
  

   Wyoming. 
  July 
  (same); 
  Sheridan, 
  Wyoming, 
  August 
  12, 
  L. 
  Bruner; 
  

   Poudre 
  River, 
  Colorado, 
  June 
  (U.S.N.M. 
  — 
  Riley 
  collection); 
  south- 
  

   ern 
  Colorado, 
  June 
  11-20, 
  Lieutenant 
  Car[)enter 
  (same; 
  S. 
  H. 
  Scuddei); 
  

   Taos 
  Peak, 
  Sangre 
  de 
  Cristo 
  Mountains, 
  New 
  Mexico, 
  13,000 
  leet. 
  Car- 
  

   penter 
  (U.S.N.M. 
  — 
  Riley 
  collection). 
  

  

  It 
  is 
  also 
  credited 
  to 
  Pine 
  Ridge, 
  in 
  tlie 
  extreme 
  northwestern 
  part 
  

   of 
  Nebraska 
  (Bruner). 
  

  

  57. 
  MELANOPLUS 
  GRACILIPES, 
  new 
  species. 
  

  

  (Plate 
  XVI, 
  fig. 
  2.) 
  

  

  Pezoletlix 
  gravillpes 
  McXkii.l!, 
  MS. 
  

  

  Of 
  small 
  size 
  and 
  slender 
  form, 
  fusco-testaceous, 
  more 
  or 
  less 
  ferru- 
  

   ginous. 
  Head 
  not 
  prominent, 
  testaceous, 
  more 
  or 
  less 
  heavily 
  and 
  dis- 
  

   tinctly 
  punctate 
  with 
  fuscous, 
  generally 
  fuscous 
  above, 
  with 
  a 
  broad, 
  

   fuscous, 
  postocular 
  band 
  ; 
  vertex 
  feebly 
  tumid, 
  scarcely 
  elevated 
  above 
  

   the 
  pronotum, 
  the 
  interspace 
  between 
  the 
  eyes 
  narrow, 
  not 
  (male) 
  or 
  

   scarcely 
  (female) 
  wider 
  than 
  the 
  first 
  antennal 
  Joint; 
  fastigium 
  steeply 
  

   declivent, 
  moderately 
  sulcate; 
  frontal 
  costa 
  fading 
  before 
  the 
  clypeus, 
  

   equal 
  or 
  subequal, 
  as 
  wide 
  as 
  (female) 
  or 
  slightly 
  wider 
  than 
  (male) 
  the 
  

   interspace 
  between 
  the 
  eyes, 
  sulcate 
  at 
  and 
  below 
  the 
  ocellus, 
  punctate 
  

   throughout 
  and 
  more 
  or 
  less 
  biseriately; 
  eyes 
  moderately 
  large, 
  rather 
  

   prominent, 
  much 
  longer 
  than 
  the 
  infraocular 
  iiortion 
  of 
  the 
  genae; 
  

   antennae 
  testaceous, 
  about 
  four-lifths 
  (male) 
  or 
  one-half 
  (female) 
  as 
  long 
  

   as 
  the 
  hind 
  femora. 
  Pronotum 
  subequal, 
  faintly 
  enlarging 
  posteriorly, 
  

   the 
  lower 
  portion 
  of 
  the 
  lateral 
  lobes 
  testaceous, 
  the 
  upper 
  occupied 
  

   by 
  a 
  piceous 
  postocular 
  stripe 
  which 
  only 
  crosses 
  the 
  prozona, 
  the 
  disk 
  

   broadly 
  convex, 
  passing 
  into 
  the 
  subvertical 
  lateral 
  lobes 
  by 
  a 
  rounded 
  

   but 
  abrupt 
  angulation, 
  which 
  forms 
  very 
  blunt 
  percurrent 
  lateral 
  cari- 
  

   nae; 
  median 
  carina 
  distinct 
  but 
  low, 
  percurrent, 
  hardly 
  more 
  distinct 
  

   on 
  the 
  metazona 
  than 
  on 
  the 
  prozona; 
  front 
  margin 
  faintly 
  convex, 
  

   liind 
  margin 
  subtruncate 
  but 
  faintly 
  angulate; 
  prozona 
  distinctly 
  lon- 
  

   gitudinal 
  (male) 
  or 
  transverse 
  (female), 
  more 
  than 
  half 
  as 
  long 
  again 
  as 
  

   the 
  densely 
  and 
  very 
  distinctly 
  punctate 
  metazona. 
  Prosternal 
  spine 
  

   moderately 
  long, 
  erect, 
  appressed, 
  conical, 
  blunt; 
  interspace 
  between 
  

   raesosternal 
  lobes 
  nearly 
  halt 
  as 
  long 
  again 
  as 
  broad 
  (male) 
  or 
  trans- 
  

   verse, 
  but 
  much 
  narrower 
  than 
  the 
  lobes 
  (female). 
  Tegmina 
  abbreviate, 
  

   about 
  as 
  long 
  as 
  the 
  pronotum, 
  broad 
  ovate, 
  attingent, 
  apically 
  angulate, 
  

   brownish 
  fuscous. 
  Fore 
  and 
  middle 
  femora 
  slightly 
  tumid 
  in 
  the 
  male; 
  

   hind 
  femora 
  long 
  and 
  slender, 
  dull 
  testaceous, 
  sometimes 
  with 
  a 
  ferru 
  

   ginous 
  tinge, 
  more 
  or 
  less 
  sprinkled 
  with 
  fuscous 
  dots, 
  which 
  when 
  

   most 
  i)rofuse 
  are 
  collected 
  in 
  two 
  oblique 
  fasciations 
  seen 
  most 
  clearly 
  

  

  