﻿474 
  Mr. 
  Cameron 
  on 
  

  

  distance 
  than 
  they 
  are 
  from 
  the 
  eyes. 
  Clypeus 
  transverse, 
  

   the 
  sides 
  rounded. 
  Head 
  slightly 
  convex 
  in 
  front. 
  Pro- 
  

   thorax 
  shorter 
  than 
  the 
  head, 
  rounded 
  in 
  front. 
  Median 
  

   segment 
  short, 
  gradually 
  rounded 
  to 
  the 
  apex, 
  not 
  furrowed, 
  

   obscurely 
  aciculated. 
  Abdomen 
  subsessile 
  ; 
  the 
  pygidium 
  

   elongate, 
  sharply 
  pointed 
  at 
  the 
  apex, 
  longitudinally 
  

   rugosely 
  striolate. 
  The 
  first 
  transverse 
  cubital 
  nervure 
  

   slightly 
  curved, 
  oblique 
  ; 
  the 
  second 
  and 
  third 
  straight, 
  

   converging 
  at 
  the 
  top 
  ; 
  the 
  second 
  cubital 
  cellule 
  at 
  top 
  

   and 
  bottom 
  twice 
  the 
  length 
  of 
  the 
  third 
  ; 
  both 
  recurrent 
  

   nervures 
  received 
  towards 
  the 
  apical 
  third 
  of 
  the 
  cellules. 
  

  

  POMPILUS 
  FENESTRATUS, 
  SniitJi 
  (PI. 
  III. 
  f 
  24). 
  

   Eyes 
  arcuate, 
  converging 
  a 
  little 
  at 
  the 
  base. 
  Ocelli 
  

   in 
  a 
  curve, 
  separated 
  by 
  about 
  the 
  same 
  distance 
  from 
  each 
  

   other 
  that 
  they 
  are 
  from 
  the 
  eyes. 
  Clypeus 
  short, 
  broad, 
  

   the 
  sides 
  rounded, 
  the 
  apex 
  very 
  slightly 
  arcuate. 
  Head 
  in 
  

   front 
  convex 
  ; 
  the 
  occiput 
  transverse. 
  Prothorax 
  as 
  long 
  

   as 
  the 
  head, 
  the 
  sides 
  not 
  convex. 
  Median 
  segment 
  

   aciculated 
  ; 
  broadly 
  furrowed 
  down 
  the 
  centre. 
  Abdomen 
  

   subsessile 
  ; 
  pygidium 
  coarsely 
  rugose, 
  covered 
  with 
  long, 
  

   stiff 
  black 
  hairs. 
  Radial 
  cellule 
  acute 
  in 
  the 
  middle 
  ; 
  the 
  

   third 
  cubital 
  cellule 
  narrowed 
  to 
  a 
  point 
  above, 
  the 
  trans- 
  

   verse 
  cubital 
  nervures 
  almost 
  touching 
  there. 
  The 
  first 
  

   transverse 
  cubital 
  nervure 
  broadly 
  curved 
  ; 
  the 
  first 
  recurrent 
  

   nervure 
  is 
  received 
  a 
  little 
  beyond 
  the 
  middle 
  ; 
  the 
  second 
  

   about 
  the 
  middle. 
  

  

  ^ 
  POMPILUS 
  DETECTUS, 
  Sp. 
  710V. 
  (PI. 
  HI. 
  f 
  25). 
  

  

  Black, 
  the 
  basal 
  two, 
  and 
  the 
  greater 
  part 
  of 
  the 
  third 
  

   abdominal 
  segment, 
  red 
  ; 
  densely 
  pruinose 
  ; 
  the 
  wings 
  fusco- 
  

   violaceous. 
  Eyes 
  arcuate 
  above, 
  slightly 
  converging 
  beneath. 
  

   Eyes 
  in 
  a 
  triangle, 
  separated 
  from 
  each 
  other 
  by 
  about 
  the 
  

   same 
  distance 
  they 
  are 
  from 
  the 
  eyes. 
  Clypeus 
  short, 
  sub- 
  

   arcuate 
  at 
  the 
  apex. 
  Occiput 
  transverse. 
  Clypeus 
  and 
  

  

  