﻿472 
  Mr. 
  Cameron 
  on 
  

  

  shorter 
  than 
  the 
  head, 
  the 
  sides 
  rounded. 
  Head 
  and 
  thoraK 
  

   alutaceous, 
  pruinose. 
  Petiole 
  without 
  a 
  neck, 
  gradually 
  

   enlarged 
  towards 
  the 
  apex. 
  Antennae 
  elongate, 
  moderately 
  

   stout. 
  The 
  radial 
  cellule 
  moderately 
  wide, 
  the 
  apex 
  .sharply 
  

   lanceolate 
  ; 
  the 
  first 
  cubital 
  cellule 
  hardly 
  twice 
  longer 
  than 
  

   the 
  second, 
  the 
  first 
  transverse 
  cubital 
  nervure 
  broadly 
  

   curved, 
  the 
  second 
  straight 
  ; 
  the 
  third 
  elbowed 
  sharply 
  at 
  

   the 
  middle; 
  the 
  top 
  of 
  the 
  cellule 
  being 
  thus 
  much 
  narrowed 
  ;. 
  

   the 
  first 
  recurrent 
  nervure 
  is 
  received 
  in 
  the 
  apical 
  third 
  ; 
  

   the 
  second 
  almost 
  in 
  the 
  middle 
  of 
  the 
  cellule. 
  Legs 
  

   elongate, 
  pruinose, 
  the 
  tibial 
  spines 
  few 
  ; 
  the 
  long 
  spur 
  of 
  

   the 
  hind 
  tibia3 
  reaches 
  to 
  the 
  middle 
  of 
  the 
  metatarsus. 
  

   Claws 
  with 
  a 
  short 
  stout 
  sub-basal 
  tooth. 
  

   Length 
  7-8 
  mm. 
  

  

  -^POMPILUS 
  ZEUS, 
  sp. 
  nov. 
  (PI. 
  III. 
  f 
  21). 
  

  

  Black 
  ; 
  the 
  basal 
  three 
  abdominal 
  segments, 
  the 
  hind 
  

   femora 
  and 
  tibis, 
  the 
  middle 
  femora, 
  except 
  at 
  the 
  base, 
  

   red 
  ; 
  the 
  spines 
  glistening 
  white, 
  wings 
  fusco-hyaline, 
  with 
  

   fuscous 
  nervures, 
  tegula; 
  yellowish. 
  Head 
  a 
  little 
  wider 
  

   than 
  the 
  thorax 
  ; 
  eyes 
  very 
  slightly 
  arcuate 
  above, 
  con- 
  

   verging 
  beneath 
  ; 
  ocelli 
  separated 
  from 
  each 
  other 
  by 
  a 
  

   distinctly 
  greater 
  distance 
  than 
  they 
  are 
  from 
  the 
  eyes. 
  

   Clypeus 
  gaping, 
  the 
  sides 
  rounded, 
  the 
  apex 
  almost 
  trans- 
  

   verse. 
  Antennae 
  stout, 
  brownish 
  beneath, 
  the 
  third 
  and 
  

   fourth 
  joints 
  subequal. 
  Prothorax 
  scarcely 
  so 
  long 
  as 
  the 
  

   head, 
  the 
  sides 
  straight 
  to 
  the 
  base, 
  behind 
  almost 
  trans- 
  

   verse. 
  Median 
  segment 
  somewhat 
  longer 
  than 
  the 
  pro- 
  

   thorax 
  ; 
  the 
  base 
  with 
  a 
  very 
  gradual 
  slope, 
  the 
  apex 
  much 
  

   more 
  abrupt 
  ; 
  the 
  surface 
  hid 
  by 
  a 
  short 
  close 
  white 
  

   pubescence. 
  Abdomen 
  longer 
  than 
  the 
  head 
  and 
  thorax 
  

   united, 
  subsessile 
  ; 
  the 
  apical 
  segment 
  impunctate. 
  Legs 
  

   densely 
  covered 
  with 
  a 
  silvery 
  pile 
  ; 
  moderate, 
  the 
  tibiae 
  

   and 
  tarsi 
  sparsely 
  spined. 
  The 
  long 
  spur 
  of 
  the 
  hind 
  

  

  