﻿224 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM. 
  voi.xx. 
  

  

  very 
  simple, 
  being 
  slightly 
  incurved, 
  but 
  otherwise 
  straight 
  aud 
  sub- 
  

   equal 
  laminae, 
  a 
  little 
  more 
  than 
  three 
  times 
  as 
  long 
  as 
  broad, 
  tapering 
  

   feebly 
  for 
  a 
  short 
  distance 
  from 
  the 
  base 
  and 
  apically 
  expanding 
  in 
  the 
  

   slightest 
  degree, 
  the 
  apical 
  margin 
  broadly 
  rounded; 
  subgenital 
  plate 
  

   a 
  little 
  longer 
  than 
  broad, 
  a 
  little 
  inolonged 
  and 
  slightly 
  elevated 
  

   apically, 
  the 
  apical 
  margin 
  anguhite, 
  but 
  rounded 
  aud 
  entire. 
  

  

  Length 
  of 
  body, 
  male, 
  17 
  mm., 
  female, 
  22 
  mm. 
  ; 
  antennae, 
  male, 
  7 
  mm., 
  

   female, 
  7.5 
  mm.; 
  tegmina, 
  male, 
  3.5 
  mm., 
  female, 
  4 
  mm.; 
  hind 
  femora, 
  

   male, 
  10 
  mm., 
  female, 
  12 
  mm. 
  

  

  Three 
  males; 
  8 
  females. 
  Mount 
  Alvarez, 
  San 
  Luis 
  Potosi, 
  Mexico, 
  

   E. 
  Palmer. 
  

  

  48. 
  MELANOPLUS 
  MILITARIS, 
  new 
  species. 
  

  

  (Plate 
  XV, 
  fig-. 
  3.) 
  

  

  Blackish 
  fuscous 
  above 
  with 
  some 
  ferruginous 
  tints, 
  pallid 
  below. 
  

   Head 
  not 
  prominent 
  or 
  feebly 
  so 
  in 
  the 
  male, 
  blackish 
  fuscous 
  above, 
  

   sometimes 
  heavily 
  irroiate 
  with 
  testaceous, 
  the 
  rest, 
  except 
  a 
  rather 
  

   narrow 
  postocular 
  piceous 
  band, 
  very 
  pallid 
  plumbeous, 
  sometimes 
  with 
  

   a 
  pinkish 
  hue, 
  the 
  genae 
  more 
  or 
  less 
  flecked 
  with 
  fuscous 
  posteriorly; 
  

   vertex 
  gently 
  tumid, 
  distinctly 
  elevated 
  above 
  the 
  pronotum, 
  the 
  inter- 
  

   space 
  between 
  the 
  eyes 
  rather 
  broad, 
  nearly 
  or 
  quite 
  twice 
  as 
  broad 
  as 
  

   the 
  first 
  antenual 
  joint, 
  similar 
  in 
  the 
  two 
  sexes; 
  fastigium 
  rapidlj' 
  

   declivent, 
  shallowly 
  sulcate; 
  frontal 
  costa 
  only 
  moderately 
  broad, 
  as 
  

   broad 
  as 
  (female) 
  or 
  slightly 
  narrower 
  than 
  (male) 
  the 
  interspace 
  between 
  

   the 
  eyes, 
  subequal, 
  just 
  failing 
  to 
  reach 
  the 
  clypeus, 
  slightly 
  sulcate 
  

   at 
  and 
  below 
  the 
  ocellus, 
  rather 
  feebly 
  punctate; 
  eyes 
  not 
  very 
  large, 
  

   rather 
  prominent 
  in 
  the 
  nuile, 
  rather 
  shorter 
  than 
  tlje 
  intraocular 
  por- 
  

   tion 
  of 
  the 
  genae; 
  antennae 
  fusco-luteous 
  or 
  fusco-ferruginous, 
  more 
  

   than 
  three-fourths 
  (male) 
  or 
  less 
  than 
  three-flfths 
  (female) 
  as 
  long 
  as 
  the 
  

   hind 
  femora. 
  Pronotum 
  dnll 
  testaceous, 
  very 
  heavily 
  sprinkled 
  with 
  

   blackish 
  fuscous 
  above, 
  especially 
  on 
  the 
  prozona, 
  sometimes 
  so 
  as 
  to 
  

   become 
  almost 
  wholly 
  blackish 
  fuscous, 
  the 
  metazona 
  ferruginous, 
  the 
  

   upper 
  half 
  of 
  the 
  lateral 
  lobes 
  with 
  a 
  sometimes 
  broken, 
  broad, 
  piceous 
  

   band, 
  which 
  fades 
  partially 
  or 
  completely 
  on 
  the 
  metazona, 
  the 
  whole 
  

   pronotum 
  short, 
  equal 
  on 
  the 
  prozona, 
  enlarging 
  gradually 
  and 
  slightly 
  

   on 
  the 
  metazona, 
  the 
  disk 
  very 
  broadly 
  convex 
  and 
  passing 
  almost 
  

   insensibly 
  but 
  with 
  a 
  very 
  broadly 
  rounded 
  angle 
  into 
  the 
  vertical 
  

   (male) 
  or 
  sub 
  vertical 
  (female) 
  lateral 
  lobes; 
  front 
  margin 
  truncate, 
  hind 
  

   margin 
  broadly 
  convex 
  with 
  a 
  feeble 
  angulation 
  in 
  the 
  male; 
  median 
  

   carina 
  feeble 
  on 
  the 
  metazona, 
  subobsolete 
  on 
  the 
  prozona; 
  transverse 
  

   sulci 
  of 
  the 
  prozona 
  tolerably 
  distinct, 
  percurrent; 
  prozona 
  quadrate, 
  

   about 
  a 
  fourth 
  longer 
  than 
  the 
  obscurely 
  punctate 
  metazona. 
  Pro- 
  

   sternal 
  spine 
  short, 
  stout, 
  very 
  blunt, 
  conical, 
  erect, 
  in 
  the 
  female 
  a 
  little 
  

   appressed; 
  interspace 
  between 
  mesosternal 
  lobes 
  nearly 
  twice 
  as 
  long 
  

   as 
  broad 
  (male) 
  or 
  strongly 
  transverse, 
  nearly 
  as 
  broad 
  as 
  the 
  lobes 
  

  

  