﻿Manchester 
  Memoirs, 
  Vol. 
  xlii. 
  ( 
  1 
  898), 
  No. 
  1 
  1 
  . 
  27 
  

  

  soft 
  hairs 
  ; 
  the 
  clypeus 
  with 
  a 
  small 
  tooth 
  on 
  either 
  side, 
  

   the 
  centre 
  not 
  being 
  incised. 
  Mandibles 
  large 
  ; 
  the 
  basal 
  

   half 
  yellow 
  ; 
  the 
  apical 
  piceous 
  ; 
  the 
  palpi 
  dirty 
  yellow 
  ; 
  

   antenna; 
  entirely 
  black 
  ; 
  the 
  scape 
  shining, 
  bare, 
  im- 
  

   punctate 
  ; 
  the 
  fiagellum 
  covered 
  with 
  a 
  microscopic 
  down 
  ; 
  

   the 
  third 
  and 
  fourth 
  joints 
  equal 
  in 
  length. 
  Thorax 
  shining, 
  

   glabrous, 
  except 
  for 
  a 
  very 
  slight 
  microscopic 
  pile 
  ; 
  the 
  

   median 
  segment 
  strongly 
  aciculated, 
  and 
  with 
  six 
  longish, 
  

   and 
  three 
  very 
  short, 
  irregular, 
  longitudinal 
  keels 
  in 
  the 
  

   centre, 
  the 
  lateral 
  pairs 
  being 
  united 
  at 
  the 
  apices 
  by 
  a 
  

   curved 
  keel 
  ; 
  the 
  apex 
  has 
  an 
  oblique 
  slope, 
  is 
  irregularly 
  

   transversely 
  striated 
  and 
  has 
  an 
  elongated 
  fovea 
  in 
  the 
  

   middle 
  ; 
  it 
  is 
  closely 
  covered 
  with 
  a 
  short, 
  fuscous 
  pile. 
  

   Pro- 
  and 
  meta-pleurae 
  shining; 
  the 
  mesopleurae 
  sha- 
  

   greened 
  ; 
  the 
  metapleurae 
  with 
  a 
  few 
  oblique, 
  not 
  very 
  

   distinct, 
  keels. 
  Wings 
  clear 
  hyaline 
  ; 
  the 
  second 
  cubital 
  

   cellule 
  half 
  as 
  long 
  at 
  the 
  top 
  as 
  it 
  is 
  at 
  the 
  bottom 
  ; 
  the 
  

   second 
  recurrent 
  nervure 
  is 
  received 
  very 
  shortly 
  beyond 
  

   the 
  middle 
  of 
  the 
  cellule. 
  Legs 
  stout, 
  covered 
  with 
  a 
  

   white 
  pubescence 
  ; 
  the 
  tarsi 
  more 
  or 
  less 
  rufo-testaceous 
  ; 
  

   the 
  base 
  of 
  all 
  the 
  tibiae 
  testaceous 
  all 
  round 
  ; 
  and 
  the 
  

   anterior 
  more 
  or 
  less 
  testaceous 
  in 
  front 
  ; 
  the 
  hinder 
  pair 
  

   only 
  testaceous 
  at 
  the 
  base 
  and 
  bearing 
  fine 
  stout 
  spines. 
  

   Abdomen 
  somewhat 
  shorter 
  than 
  the 
  head 
  and 
  thorax 
  

   united, 
  shining, 
  pruinose 
  ; 
  the 
  pygidial 
  area 
  strongly 
  

   aciculated 
  ; 
  the 
  sides 
  distinctly 
  keeled. 
  

  

  Passaloecus 
  reticulatus, 
  sp. 
  nov. 
  (PI. 
  4, 
  fig. 
  2.) 
  

  

  Nigro-caeruleiis 
  ; 
  geniculis, 
  tibiis 
  tarsisque 
  testaceis, 
  

   alls 
  hyalinis, 
  stigmate 
  fusco, 
  nervis 
  pallide 
  flavis. 
  ?. 
  

  

  Long. 
  5 
  mm. 
  

  

  Hab. 
  Barrackpore 
  (Rothney). 
  

  

  Head 
  shining, 
  apparently 
  bare 
  ; 
  black 
  with 
  a 
  greenish 
  

   hue 
  ; 
  the 
  front 
  broadly 
  hollowed 
  ; 
  the 
  hollow 
  bordered 
  by 
  

   a 
  stout 
  keel, 
  which 
  originates 
  in 
  the 
  front 
  of 
  the 
  anterior 
  

  

  