﻿NO.U24. 
  RETISIOX 
  OF 
  THE 
  MELAXOrLI—SCUDDEB. 
  141 
  

  

  the 
  submedian 
  ridges 
  of 
  the 
  supraanal 
  plate, 
  and 
  projecting 
  over 
  it 
  by 
  

   a 
  little 
  more 
  than 
  the 
  length 
  of 
  the 
  last 
  dorsal 
  segmeiitj 
  cerci 
  bullate, 
  

   strongly 
  incurved, 
  exteriorly 
  flattened 
  but 
  a 
  little 
  convex 
  longitudi- 
  

   nally, 
  at 
  first 
  enlarging 
  and 
  swelling, 
  the 
  inferior 
  margin 
  bent 
  roundly 
  

   at 
  a 
  right 
  angle 
  in 
  the 
  middle 
  (before 
  whioh 
  the 
  margin 
  itself 
  is 
  trans- 
  

   versely 
  abruptly 
  rectangulate, 
  beyond 
  it 
  acutangulate, 
  so 
  that 
  the 
  lower 
  

   face 
  is 
  sulcate), 
  then 
  suddenly 
  contracted, 
  with 
  the 
  upper 
  portion 
  pro- 
  

   duced 
  as 
  a 
  short, 
  tapering, 
  bluntly 
  pointed, 
  compressed 
  finger, 
  which 
  

   does 
  not 
  reach 
  the 
  tip 
  of 
  the 
  supraanal 
  plate; 
  subgenital 
  plate 
  very 
  

   much 
  broader 
  than 
  long, 
  subconical, 
  the 
  apical 
  margin 
  abruptly 
  and 
  

   greatly 
  elevated, 
  thickened 
  aud 
  well 
  rounded. 
  

  

  Length 
  of 
  body, 
  male, 
  17 
  mm., 
  female, 
  22.5 
  mm.; 
  antennae, 
  male, 
  7 
  

   mm., 
  female, 
  7.25 
  mm.; 
  tegmina, 
  male, 
  G 
  mm., 
  female, 
  7.25 
  mm.; 
  hind 
  

   femora, 
  male, 
  10.5 
  ram., 
  female, 
  13.5 
  mm. 
  

  

  Thirty-two 
  males, 
  42 
  females. 
  Montelovez, 
  Coahuila, 
  Mexico, 
  Sep- 
  

   tember 
  20, 
  E. 
  Palmer; 
  Sierra 
  Xola, 
  Tamaulipas, 
  Mexico, 
  December 
  

   3-6, 
  E. 
  Palmer; 
  Sierra 
  de 
  SanMiguelito, 
  and 
  mountains 
  twelve 
  leagues 
  

   cast 
  of 
  San 
  Luis 
  Potosi, 
  Mexico, 
  E. 
  Palmer; 
  San 
  Luis 
  Potosi, 
  Mexico, 
  

   October, 
  E. 
  Palmer, 
  E. 
  Barroeta; 
  Bledos, 
  San 
  Luis 
  Potosi, 
  Mexico, 
  

   October 
  1, 
  E. 
  Palmer; 
  Zacatecas, 
  Mexico, 
  November 
  (L. 
  Bruner) 
  ; 
  Aguas 
  

   Calientes, 
  Mexico, 
  November 
  (L. 
  Bruner). 
  

  

  2. 
  MELANOPLUS 
  LAKINUS. 
  

  

  (Plate 
  X, 
  tiu'. 
  2.) 
  

  

  Fezotettix 
  lakiiiiis 
  Scuddeu!, 
  Proc. 
  Bost. 
  Soc. 
  Xat. 
  Hist., 
  XX 
  (1879), 
  pp. 
  79-80; 
  

   Cent. 
  Orth. 
  (1879), 
  pp. 
  68-69.— 
  Brunek, 
  Kep. 
  IT. 
  S. 
  Ent. 
  Comni., 
  Ill 
  (1883), 
  

   p. 
  59; 
  Bull. 
  Waahb. 
  Coll., 
  I 
  (1885), 
  p. 
  136; 
  Piibl. 
  Nebr. 
  Acad. 
  Sc, 
  III 
  (1893), 
  

   p. 
  27. 
  

  

  Vertex 
  of 
  the 
  head 
  gently 
  tumid, 
  scarcely 
  elevated 
  above 
  the 
  pro- 
  

   notum, 
  the 
  interspace 
  between 
  the 
  eyes 
  half 
  as 
  broad 
  again 
  as 
  the 
  first 
  

   antennal 
  joint; 
  fastigium 
  broad, 
  shallow, 
  flat, 
  expanding 
  in 
  front, 
  the 
  

   bounding 
  walls 
  low 
  and 
  thick 
  ; 
  frontal 
  costa 
  moderate, 
  slightly 
  expanded 
  

   at 
  the 
  ocellus, 
  sulcate 
  almost 
  throughout, 
  only 
  the 
  summit 
  flat, 
  about 
  

   as 
  broad 
  as 
  the 
  interspace 
  between 
  the 
  eyes; 
  eyes 
  rather 
  small, 
  not 
  

   prominent, 
  about 
  as 
  long 
  as 
  the 
  intraocular 
  portion 
  of 
  the 
  genae 
  ; 
  anten- 
  

   nae 
  about 
  three-fourths 
  (male) 
  or 
  about 
  two-thirds 
  (female) 
  as 
  long 
  as 
  

   the 
  hind 
  femora. 
  Pronotum 
  short, 
  especially 
  in 
  the 
  female, 
  but 
  simple, 
  

   expanding 
  slightly 
  posteriorly, 
  either 
  half 
  of 
  the 
  lateral 
  lobes 
  of 
  the 
  

   prozona 
  slightly 
  and 
  independently 
  tumid 
  in 
  the 
  male; 
  front 
  border 
  

   truncate, 
  hind 
  border 
  very 
  little 
  angulated 
  and 
  rounded 
  ; 
  median 
  carina 
  

   sligiit 
  but 
  distinct, 
  equal 
  ; 
  lateral 
  carinae 
  well 
  marked, 
  forming 
  a 
  nearly 
  

   square 
  shoulder, 
  especially 
  on 
  the 
  hinder 
  portion 
  of 
  the 
  prozona; 
  i)ro- 
  

   zona 
  longitudinal 
  (male) 
  or 
  subquadrate 
  (female), 
  slightly 
  (male) 
  or 
  

   scarcely 
  (female) 
  longer 
  than 
  the 
  finely 
  punctate 
  metazona. 
  Prosternal 
  

   spine 
  moderately 
  long, 
  a 
  little 
  shorter 
  in 
  the 
  female 
  than 
  in 
  the 
  male, 
  

  

  