﻿316 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM. 
  voi.xx. 
  

  

  ing 
  of 
  a 
  pair 
  of 
  slight, 
  distant, 
  slightly 
  divergent, 
  slender 
  deuticula- 
  

   tions 
  on 
  the 
  outer 
  side 
  of 
  the 
  ridges 
  bounding 
  the 
  median 
  snlcns 
  of 
  

   the 
  supraanal 
  plate; 
  cerci 
  consisting 
  of 
  two 
  parts 
  — 
  a 
  straight, 
  slightly 
  

   tapering, 
  i)unctate, 
  compressed 
  lamina 
  about 
  twice 
  as 
  long 
  as 
  broad, 
  

   and 
  a 
  more 
  strongly 
  compressed 
  apical 
  flange 
  bent 
  at 
  a 
  tolerably 
  strong 
  

   angle 
  with 
  it, 
  a 
  little 
  expanded, 
  apically 
  rounded 
  angulate, 
  externally 
  

   deeply 
  sulcate, 
  scarcely 
  falling 
  short 
  of 
  the 
  tip 
  of 
  the 
  supraanal 
  i)late; 
  

   infracercal 
  jilates 
  apparently 
  as 
  in 
  ^f. 
  eorpulentiis 
  ; 
  subgenital 
  plate 
  

   moderately 
  broad, 
  subequal, 
  the 
  apical 
  margin 
  not 
  elevated, 
  very 
  feebly 
  

   flaring, 
  strongly 
  rounded, 
  not 
  niesially 
  angulate, 
  entire. 
  

  

  Length 
  of 
  body, 
  male, 
  20 
  mm., 
  female, 
  23.5 
  jnm.; 
  antennae, 
  male, 
  S.5 
  

   mm., 
  female, 
  9 
  mm; 
  tcgmijia, 
  male, 
  14..T 
  mm., 
  female, 
  10 
  mm; 
  hind 
  

   femora, 
  male, 
  10.5 
  mm., 
  female, 
  12.5 
  mm. 
  

  

  One 
  male, 
  I 
  female. 
  Southwest 
  Nebraska 
  (L. 
  Bruner). 
  

  

  This 
  si)ecies 
  looks 
  like 
  a 
  diminutive 
  form 
  of 
  the 
  preceding, 
  but 
  ditfers 
  

   from 
  it 
  in 
  many 
  points 
  of 
  structure 
  and 
  in 
  coloring, 
  besides 
  those 
  men- 
  

   tioned 
  in 
  the 
  table. 
  

  

  loo. 
  MELANOPLUS 
  COMPACTUS 
  new 
  species. 
  

   (Tlate 
  XXI, 
  tig. 
  6.) 
  

   MeJanopJus 
  compactus 
  Bruneij!, 
  MS. 
  

   A 
  medium-sized 
  species, 
  blackish 
  fuscous 
  in 
  coloring, 
  more 
  or 
  less 
  

   tinged 
  with 
  ferruginous. 
  Head 
  not 
  prominent, 
  rufo-luteous 
  more 
  or 
  

   less 
  clouded 
  with 
  fuscous, 
  with 
  a 
  mediau 
  blackish 
  fuscous 
  stripe 
  above 
  

   and 
  a 
  jiostocular 
  piceous 
  band; 
  vertex 
  gently 
  tumid, 
  feebly 
  elevated 
  

   above 
  the 
  pronotuni, 
  the 
  interspace 
  between 
  the 
  eyes 
  considerably 
  

   broader 
  than 
  (male) 
  or 
  nearly 
  twice 
  as 
  broad 
  as 
  (female) 
  the 
  basal 
  

   antennal 
  joint; 
  fastigium 
  steeply 
  declivent, 
  sulcate 
  throughout, 
  more 
  

   deeply 
  in 
  the 
  male 
  than 
  in 
  the 
  female; 
  frontal 
  costa 
  just 
  failing 
  to 
  

   reach 
  the 
  clypeus, 
  feebly 
  narrowed 
  above 
  but 
  otherwise 
  subequal, 
  as 
  

   broad 
  as 
  the 
  interspace 
  between 
  the 
  eyes, 
  sulcate 
  at 
  and 
  below 
  the 
  

   ocellus, 
  biseriately 
  punctate 
  above 
  ; 
  eyes 
  not 
  prominent 
  nor 
  large, 
  about 
  

   as 
  long 
  as 
  the 
  intraocular 
  j^ortiou 
  of 
  the 
  geuae; 
  antennae 
  red, 
  gradually 
  

   infuscated 
  apically, 
  in 
  the 
  female 
  more 
  than 
  three-fourthsaslong 
  as 
  the 
  

   hind 
  femora. 
  Pronotum 
  stout, 
  gradually 
  enlarging 
  posteriorly, 
  the 
  lat- 
  

   eral 
  lobes 
  of 
  the 
  prozona 
  with 
  a 
  more 
  or 
  less 
  distinct 
  piceons 
  postocular 
  

   band, 
  the 
  disk 
  passing 
  into 
  the 
  vertical 
  lateral 
  lobes 
  by 
  a 
  distinctly 
  

   though 
  slightly 
  angulated 
  shoulder, 
  forming 
  feeblelateralcarinae; 
  median 
  

   carina 
  percurrent 
  but 
  much 
  feebler 
  on 
  the 
  prozona 
  than 
  on 
  the 
  metazona 
  ; 
  

   front 
  margin 
  truncate, 
  hind 
  margin 
  obtusangulate 
  ; 
  prozona 
  feebly 
  (male) 
  

   or 
  distinctly 
  (female) 
  transverse, 
  no 
  longer 
  than 
  the 
  closely 
  punctate 
  

   metazona. 
  Prosternal 
  spine 
  rather 
  short 
  and 
  rather 
  stout, 
  much 
  

   oppressed, 
  tapering, 
  very 
  blunt; 
  interspace 
  between 
  mesosternal 
  lobes 
  

   a 
  little 
  longitudinal 
  (male) 
  or 
  a 
  little 
  transverse 
  (female), 
  the 
  meta- 
  

   sternal 
  lobes 
  attingent 
  (male) 
  or 
  moderately 
  distant 
  (female). 
  Tegmina 
  

   surpassing 
  a 
  little 
  the 
  hind 
  femora, 
  moderately 
  broad, 
  brownish 
  fuscous 
  

  

  