﻿202 
  PJiOCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM. 
  vol.xx. 
  

  

  lobes 
  nearly 
  or 
  quite 
  twice 
  as 
  long 
  as 
  broad 
  iu 
  both 
  sexes. 
  Tegniina 
  

   uuiform 
  light 
  yellowish 
  testaceous, 
  with 
  no 
  sign 
  of 
  maculatiou, 
  although 
  

   rarely 
  a 
  little 
  beclouded, 
  reaching 
  somewhat, 
  generally 
  far, 
  beyond 
  the 
  

   hind 
  femora, 
  rather 
  slender, 
  feebly 
  tapering, 
  well 
  rounded 
  at 
  tip; 
  wings 
  

   pellucid, 
  the 
  veins 
  and 
  cross- 
  veins 
  sometimes 
  wholly 
  green, 
  sometimes 
  

   l^artly 
  fuscous. 
  Hind 
  femora 
  testaceous, 
  generally 
  feebly 
  infuscated 
  in 
  

   the 
  incisures 
  of 
  the 
  outer 
  face 
  above, 
  the 
  inner 
  half 
  of 
  the 
  upper 
  face 
  

   often 
  bimaculate 
  with 
  fuscous, 
  the 
  under 
  surface 
  with 
  a 
  tendency 
  to 
  

   become 
  roseate, 
  the 
  genicular 
  arc 
  black; 
  hind 
  tibiae 
  very 
  pale 
  dingy 
  

   green, 
  growing 
  lutescent 
  apically, 
  the 
  spines 
  black 
  with 
  pallid 
  base, 
  

   ten 
  to 
  twelve, 
  usually 
  eleven, 
  in 
  number 
  in 
  the 
  outer 
  series. 
  Extremity 
  

   of 
  male 
  abdomen 
  clavate, 
  a 
  little 
  upturned, 
  the 
  supraanal 
  plate 
  subclyp- 
  

   eate, 
  with 
  sinuate 
  sides 
  and 
  rectangulate 
  apex, 
  with 
  a 
  short, 
  shallow, 
  

   median 
  sulcus 
  and 
  feebly 
  elevated 
  sides, 
  the 
  whole 
  surface 
  nearly 
  

   plane; 
  furcula 
  consisting 
  of 
  a 
  pair 
  of 
  moderately 
  broad, 
  flattened, 
  

   tapering, 
  acuminate 
  fingers, 
  parallel 
  or 
  slightly 
  divergent, 
  reaching 
  

   about 
  to 
  the 
  middle 
  of 
  the 
  supraanal 
  plate; 
  cerci 
  slender, 
  subequal 
  but 
  

   basally 
  tapering, 
  feebly 
  incurved 
  laminae, 
  about 
  five 
  times 
  as 
  long 
  as 
  

   broad, 
  feebly 
  arcuate 
  and 
  apically 
  well 
  rounded, 
  with 
  a 
  slight, 
  inferior, 
  

   indirected 
  flange 
  to 
  the 
  lower 
  margin 
  apically, 
  the 
  whole 
  much 
  shorter 
  

   than 
  the 
  supraanal 
  plate; 
  infracercal 
  plates 
  as 
  in 
  the 
  last 
  species; 
  sub- 
  

   genital 
  plate 
  about 
  as 
  broad 
  as 
  long, 
  the 
  lateral 
  margin 
  arcuate, 
  being 
  

   produced 
  both 
  basally 
  and 
  apically, 
  but 
  especially 
  the 
  latter, 
  the 
  apical 
  

   margin 
  rounded 
  subquadrate, 
  very 
  feebly 
  or 
  not 
  at 
  all 
  emargiuate, 
  

   though 
  thickened 
  on 
  either 
  side 
  of 
  the 
  middle. 
  

  

  Length 
  of 
  body, 
  male, 
  25 
  mm., 
  female, 
  22.75 
  mm.; 
  antennae, 
  male, 
  

   8.5 
  mm., 
  female, 
  6.25 
  mm.; 
  tegmina, 
  male, 
  21.5 
  mm., 
  female, 
  18.5 
  mm.; 
  

   hind 
  femora, 
  male, 
  13.25 
  mm., 
  female, 
  12 
  mm. 
  

  

  ifine 
  males, 
  8 
  females. 
  Fort 
  Eedding, 
  Shasta 
  County, 
  California, 
  

   Lieutenant 
  Williamson 
  ; 
  Yuba 
  County, 
  California 
  (U.S.X.M. 
  — 
  Kiley 
  

   collection); 
  Sacramento 
  County, 
  California, 
  Coquillett 
  (same); 
  Folsom, 
  

   Sacramento 
  County, 
  California, 
  July 
  4 
  (same) 
  ; 
  Merced 
  County, 
  Cali- 
  

   fornia 
  (same). 
  

  

  35. 
  MELANOPLUS 
  ANGELICUS, 
  new 
  species. 
  

   (Plate 
  XIII, 
  fig. 
  10.) 
  

  

  Of 
  rather 
  large 
  size, 
  dark 
  brownish 
  fuscous, 
  more 
  or 
  less 
  ferruginous. 
  

   Head 
  not 
  very 
  prominent, 
  plumbeous 
  or 
  ferruginous, 
  more 
  or 
  less 
  infus- 
  

   cated, 
  above 
  hardly 
  darker 
  but 
  perhaps 
  with 
  more 
  fuscous 
  patches, 
  a 
  

   X)ostocular 
  piceous 
  band; 
  vertex 
  gently 
  tumid, 
  but 
  little 
  elevated 
  above 
  

   the 
  pronotum, 
  the 
  interspace 
  between 
  the 
  eyes 
  rather 
  broad, 
  somewhat 
  

   broader 
  than 
  the 
  first 
  antennal 
  joint; 
  fastigium 
  strongly 
  declivent, 
  

   deeply 
  sulcate 
  throughout; 
  frontal 
  costa 
  broad, 
  feebly 
  constricted 
  

   above, 
  percurrent, 
  slightly 
  broader 
  than 
  the 
  interspace 
  between 
  the 
  

   eyes, 
  gently 
  sulcate 
  at 
  and 
  below 
  the 
  ocellus, 
  punctate 
  above 
  seriately 
  

  

  