﻿288 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM. 
  vol.xx. 
  

  

  the 
  female; 
  prozona 
  distinctly 
  longitudinal 
  (male) 
  or 
  quadrate 
  or 
  trans- 
  

   verse 
  (female), 
  distinctly 
  (male) 
  or 
  scarcely 
  (female) 
  longer 
  than 
  the 
  

   closely 
  punctate 
  metazona, 
  the 
  principal 
  sulcus 
  bent 
  angularly 
  forward 
  

   slightly 
  in 
  the 
  middle. 
  Prosternal 
  spine 
  moderately 
  long, 
  cylindrical, 
  

   blunt, 
  erect 
  (male) 
  or 
  short, 
  conical, 
  feebly 
  appressed, 
  blunt, 
  erect 
  

   (female) 
  ; 
  interspace 
  between 
  mesosternal 
  lobes 
  quadrate 
  (male) 
  or 
  dis- 
  

   tinctly 
  transverse 
  but 
  much 
  narrower 
  tlian 
  the 
  lobes 
  (female), 
  Teg- 
  

   mina 
  either 
  falling 
  distinctly 
  short 
  of 
  the 
  ti])S 
  of 
  the 
  hind 
  femora, 
  

   generally 
  about 
  as 
  long 
  as 
  the 
  abdomen 
  in 
  the 
  male, 
  rather 
  broad 
  at 
  

   base, 
  but 
  rapidly 
  tapering 
  and 
  at 
  ai)ex 
  bluntly 
  subacuminate 
  (J/, 
  e. 
  

   Junius, 
  Plate 
  I, 
  fig. 
  g), 
  or 
  surpassing 
  the 
  hind 
  femora, 
  generally 
  con- 
  

   siderably, 
  rather 
  broad, 
  subequal, 
  and 
  at 
  apex 
  rather 
  broadly 
  rounded 
  

   {M. 
  e. 
  scandens, 
  Plate 
  I, 
  fig../"), 
  brownish 
  fuscous, 
  generally 
  immaculate, 
  

   but 
  sometimes 
  with 
  rather 
  a 
  feeble 
  and 
  obscure 
  narrow 
  line 
  of 
  macula- 
  

   tion 
  in 
  the 
  discoidal 
  area; 
  wings 
  considerably 
  {M. 
  e. 
  Junius) 
  or 
  a 
  very 
  

   little 
  {M. 
  e. 
  scandens) 
  shorter 
  than 
  the 
  tegmina, 
  moderately 
  broad, 
  

   hyaline, 
  with 
  brownish 
  fuscous 
  veins 
  in 
  the 
  anterior 
  half. 
  Fore 
  and 
  

   middle 
  femora 
  a 
  little 
  tumid 
  in 
  the 
  male; 
  hind 
  femora 
  ferrugineo- 
  

   luteous, 
  the 
  outer 
  face 
  often 
  longitudinally 
  infuscated, 
  the 
  inner 
  side 
  

   of 
  the 
  upper 
  face 
  bimaculate 
  with 
  fuscous 
  often 
  obscurely, 
  the 
  geuicu- 
  

   lation 
  blackish 
  and 
  the 
  under 
  surface 
  generally 
  pale 
  orange; 
  hind 
  

   tibiae 
  bright 
  red, 
  pale 
  red, 
  or 
  pale 
  dull 
  citron, 
  the 
  spines 
  black 
  beyond 
  

   their 
  base, 
  nine 
  to 
  twelve, 
  usually 
  eleven, 
  in 
  number 
  in 
  the 
  outer 
  series. 
  

   Extremity 
  of 
  male 
  abdomen 
  clavate, 
  a 
  little 
  recurved, 
  the 
  supraanal 
  

   plate 
  sub 
  triangular, 
  longer 
  than 
  broad, 
  feebly 
  compressed 
  in 
  the 
  mid- 
  

   dle, 
  apically 
  slig)itly 
  acutangulate, 
  the 
  lateral 
  margins 
  elevated 
  basally, 
  

   the 
  median 
  sulcus 
  moderately 
  deep 
  and 
  narrow, 
  apically 
  expanding 
  

   and 
  obsolescent, 
  its 
  bounding 
  walls 
  rounded 
  and 
  not 
  very 
  high; 
  furcula 
  

   consisting 
  of 
  a 
  pair 
  of 
  parallel 
  or 
  subparallel, 
  slender, 
  tapering, 
  acumi- 
  

   nate, 
  somewhat 
  dei)ressed 
  spines, 
  somewhat 
  less 
  than 
  half 
  as 
  long 
  as 
  

   the 
  supraanal 
  plate 
  and 
  resting 
  upon 
  the 
  ridges 
  bordering 
  the 
  median 
  

   sulcus; 
  cerci 
  feebly 
  subfalciform 
  lamellae 
  lying 
  in 
  a 
  slightly 
  oblique 
  

   vertical 
  plane, 
  a 
  little 
  incurved 
  throughout, 
  feebly 
  tapering 
  in 
  the 
  basal 
  

   third 
  or 
  more, 
  beyond 
  subequal 
  to 
  the 
  obliquely 
  truncate 
  and 
  well- 
  

   rounded 
  tip, 
  the 
  whole 
  gently 
  arcuate 
  and 
  much 
  shorter 
  than 
  the 
  

   supraanal 
  plate; 
  infracercal 
  plates 
  very 
  broad 
  at 
  base, 
  rapidly 
  narrow- 
  

   ing 
  and 
  not 
  attaining 
  the 
  tip 
  of 
  the 
  supraanal 
  plate; 
  subgenital 
  plate 
  

   about 
  half 
  as 
  broad 
  at 
  apex 
  as 
  at 
  base, 
  regularly 
  narrowing 
  by 
  the 
  

   declivity 
  of 
  the 
  feebly 
  sinuous 
  lateral 
  margin, 
  the 
  apical 
  margin 
  not 
  

   elevated, 
  well 
  rounded, 
  entire. 
  

  

  Length 
  of 
  body 
  (il/. 
  e. 
  Junius), 
  male, 
  IG 
  mm,, 
  female, 
  19 
  mm.; 
  anten- 
  

   nae, 
  male, 
  8 
  mm., 
  female, 
  6.75 
  mm.; 
  tegmina, 
  male, 
  11 
  mm., 
  female, 
  

   10.75 
  mm.; 
  hind 
  femora, 
  male, 
  10 
  mm., 
  female, 
  10,75 
  mm. 
  Length 
  of 
  

   body 
  (ilf. 
  e. 
  scaudens), 
  male, 
  18 
  mm., 
  female, 
  19.5 
  mm.; 
  antennae, 
  male, 
  

   8.75 
  mm., 
  female, 
  7 
  mm.; 
  tegmina, 
  male, 
  10.25 
  mm., 
  female, 
  17.25 
  mm.; 
  

   hind 
  femora, 
  male, 
  10.25 
  mm., 
  female, 
  10,5 
  mm. 
  

  

  