﻿36 
  Mr. 
  Cameron 
  on 
  

  

  Abdomen 
  shining, 
  very 
  finely 
  punctured 
  ; 
  the 
  sides 
  and 
  

   apex 
  covered 
  with 
  whitish 
  pubescence 
  ; 
  petiole 
  shining, 
  

   impunctate, 
  depressed 
  at 
  the 
  base 
  ; 
  twice 
  longer 
  than 
  wide 
  ; 
  

   pygidial 
  area 
  almost 
  truncate, 
  rounded 
  laterally. 
  Legs 
  at 
  

   base 
  and 
  tibiae 
  and 
  tarsi 
  closely 
  covered 
  with 
  a 
  pale 
  pubes- 
  

   cence, 
  the 
  anterior 
  broadly 
  bright 
  yellow 
  beneath 
  ; 
  the 
  tarsi 
  

   fuscous-black. 
  Posterior 
  spurs 
  thick, 
  dilated, 
  pale, 
  fully 
  

   three-fourths 
  of 
  the 
  length 
  of 
  the 
  metatarsus. 
  Antennae 
  

   rather 
  densely 
  and 
  longly 
  pilose 
  ; 
  the 
  third 
  joint 
  not 
  much 
  

   longer 
  than 
  the 
  fourth 
  ; 
  the 
  scape 
  punctured, 
  yellow 
  in 
  

   the 
  centre 
  beneath 
  ; 
  the 
  base 
  of 
  flagellum 
  fuscous 
  on 
  the 
  

   lower 
  side. 
  The 
  recurrent 
  nervure 
  is 
  received 
  considerably 
  

   before 
  the 
  middle 
  of 
  the 
  radial 
  cellule. 
  The 
  tubercles 
  in 
  

   front 
  and 
  the 
  greater 
  part 
  of 
  the 
  propleurae 
  are 
  bright 
  

   yellow. 
  

  

  The 
  ? 
  has 
  the 
  oral 
  region 
  and 
  mandibles 
  not 
  yellow 
  ; 
  

   the 
  latter 
  are 
  at 
  the 
  apex 
  brownish 
  ; 
  the 
  palpi 
  yellowish 
  ; 
  

   there 
  is 
  a 
  narrow 
  line 
  on 
  the 
  pronotum 
  ; 
  the 
  propleuras 
  

   are 
  for 
  the 
  greater 
  part 
  black 
  ; 
  the 
  front 
  legs 
  are 
  hardly 
  

   yellow 
  in 
  front 
  ; 
  the 
  pygidial 
  area 
  very 
  shining, 
  depressed 
  

   in 
  the 
  middle, 
  foveate 
  at 
  the 
  apex 
  and 
  indistinctly 
  punctured 
  

   at 
  the 
  base 
  ; 
  the 
  scape 
  is 
  yellow 
  beneath, 
  and 
  the 
  third 
  

   joint 
  is 
  longer 
  in 
  proportion 
  to 
  the 
  fourth 
  than 
  in 
  the 
  $ 
  , 
  

   besides 
  being 
  thinner 
  at 
  the 
  base. 
  Length 
  5 
  mm. 
  

  

  ^ 
  CrABRO 
  nanus, 
  sp. 
  nov. 
  

   Head 
  minutely 
  punctured 
  on 
  the 
  front 
  ; 
  ocelli 
  in 
  a 
  curv^e, 
  

   in 
  pits 
  ; 
  a 
  minute 
  furrow 
  in 
  their 
  middle 
  behind 
  ; 
  frontal 
  

   depression 
  wide, 
  deep, 
  shining, 
  a 
  broad 
  keel 
  in 
  the 
  centre 
  ; 
  

   clypeus 
  not 
  carinate, 
  but 
  with 
  the 
  centre 
  broadly 
  projecting 
  

   at 
  the 
  apex 
  ; 
  densely 
  covered 
  with 
  silvery 
  pubescence, 
  as 
  

   are 
  also 
  the 
  cheeks 
  ; 
  outer 
  orbits 
  of 
  the 
  eyes 
  distinctly 
  

   margined, 
  and 
  bearing 
  a 
  silvery 
  pubescence 
  ; 
  the 
  front 
  and 
  

   vertex 
  bearing 
  a 
  longish 
  blackish 
  pubescence 
  ; 
  mandibles 
  

   yellowish, 
  black 
  at 
  the 
  apex. 
  Scape 
  of 
  antennee 
  yellow 
  

  

  