﻿of 
  iindescrihed 
  Chinese 
  Hymenoptera. 
  37 
  

  

  beneath 
  ; 
  a 
  narrow 
  yellow 
  line 
  traverses 
  the 
  inner 
  margin 
  of 
  eyes 
  

   from 
  the 
  apex 
  of 
  the 
  clypeus 
  to 
  their 
  notch 
  ; 
  a 
  short 
  narrow 
  

   yellow 
  line 
  behind 
  the 
  eyes 
  towards 
  the 
  vertex 
  ; 
  the 
  apical 
  half 
  

   of 
  the 
  mandibles 
  ferruginous. 
  The 
  prothorax, 
  the 
  tegulas, 
  two 
  

   lines 
  behind 
  them, 
  the 
  apical 
  half 
  of 
  the 
  post-scutellum, 
  and 
  an 
  

   obscure 
  spot 
  at 
  the 
  sides 
  of 
  the 
  metathorax, 
  orange-yellow 
  ; 
  the 
  

   wings 
  sub-hyaline. 
  The 
  margins 
  of 
  the 
  coxee 
  and 
  trochanters 
  

   beneath, 
  the 
  femora 
  towards 
  their 
  apex, 
  the 
  tibiae 
  and 
  the 
  claws, 
  

   ferruginous 
  ; 
  the 
  entire 
  legs 
  are 
  clothed 
  with 
  a 
  reflective 
  golden 
  pile. 
  

   The 
  basal 
  segment 
  of 
  the 
  abdomen 
  closely 
  punctured, 
  its 
  apical 
  

   margin 
  above, 
  as 
  well 
  as 
  those 
  of 
  the 
  second 
  segment, 
  broadly, 
  

   and 
  the 
  following 
  segments 
  narrowly, 
  orange 
  yellow 
  ; 
  the 
  abdomen 
  

   has 
  a 
  beautiful 
  sericeous 
  reflection, 
  and 
  the 
  second, 
  third 
  and 
  

   fourth 
  segments 
  beneath 
  have 
  their 
  margins 
  yellow. 
  

  

  Length 
  12 
  lines. 
  

  

  The 
  male, 
  in 
  colouring, 
  does 
  not 
  differ 
  in 
  any 
  respect 
  from 
  the 
  

   female. 
  

  

  Length 
  9 
  lines. 
  

  

  Hab. 
  Tein-tung. 
  

  

  Only 
  two 
  specimens 
  of 
  this 
  fine 
  insect 
  have 
  come 
  under 
  my 
  

   notice 
  ; 
  the 
  species 
  is 
  in 
  the 
  British 
  Museum 
  Collection. 
  

  

  Eumenes 
  quadratus. 
  

  

  Female. 
  — 
  Black 
  ; 
  head 
  and 
  thorax 
  roughly 
  punctured, 
  a 
  yellow 
  

   spot 
  between 
  the 
  antennas, 
  and 
  a 
  line 
  along 
  the 
  margins 
  of 
  the 
  

   eyes 
  from 
  the 
  base 
  of 
  the 
  antennae 
  to 
  their 
  notch 
  ; 
  the 
  third, 
  and 
  

   the 
  two 
  or 
  three 
  following 
  joints 
  of 
  the 
  antennae, 
  rufo-piceous 
  

   beneath 
  ; 
  a 
  yellow 
  stripe 
  on 
  the 
  collar 
  in 
  front 
  ; 
  the 
  legs 
  rufo- 
  

   piceous 
  at 
  their 
  knees 
  ; 
  the 
  wings 
  dark 
  fuscous. 
  Abdomen, 
  the 
  

   j>etiole 
  elongate; 
  its 
  apical 
  margin, 
  as 
  well 
  as 
  that 
  of 
  the 
  follow- 
  

   ing 
  segment 
  in 
  the 
  middle, 
  yellow 
  ; 
  the 
  puncturing 
  deep, 
  but 
  

   scattered 
  on 
  the 
  petiole, 
  closer 
  on 
  the 
  second 
  segment, 
  becoming 
  

   rugose 
  towards 
  its 
  apical 
  margin. 
  

  

  Length 
  9| 
  lines. 
  

  

  Male. 
  — 
  Black 
  ; 
  the 
  clypeus, 
  the 
  face 
  above 
  as 
  high 
  as 
  the 
  in- 
  

   sertion 
  of 
  the 
  antennae, 
  their 
  scape 
  in 
  front 
  and 
  apical 
  joint, 
  yellow 
  ; 
  

   the 
  prothorax 
  in 
  front, 
  a 
  narrow 
  line 
  extending 
  to 
  the 
  tegulfe, 
  

   a 
  line 
  behind 
  them, 
  the 
  post-scutellum, 
  the 
  anterior 
  and 
  inter- 
  

   mediate 
  tibiae 
  in 
  front, 
  the 
  posterior 
  tibiae 
  towards 
  the 
  base, 
  and 
  

   the 
  knees, 
  yellow. 
  Abdomen, 
  the 
  apical 
  margin 
  of 
  the 
  basal 
  seg- 
  

   ment, 
  a 
  minute 
  spot 
  on 
  each 
  side 
  of 
  the 
  second, 
  and 
  an 
  arched 
  

   macula 
  at 
  its 
  apical 
  margin, 
  yellow, 
  the 
  entire 
  segment 
  is 
  covered 
  

  

  