﻿512 
  Mr. 
  R. 
  McLachlan's 
  descriptions 
  of 
  

  

  segment 
  yeUowish-cinereous 
  (the 
  whole 
  abdomen 
  discoloured 
  in 
  

   drying). 
  Wings 
  vitreous 
  with 
  brown, 
  mostly 
  paired, 
  oblong 
  spots 
  in 
  

   the 
  subcostal 
  area 
  in 
  both 
  wings, 
  except 
  towards 
  the 
  base 
  ; 
  the 
  

   apex 
  occupied 
  by 
  a 
  broad 
  irregular 
  brown 
  blistered 
  band, 
  densely 
  

   reticulated 
  by 
  whitish 
  yellow, 
  and 
  bearing 
  two 
  large 
  whitish 
  spots 
  

   on 
  the 
  apical 
  margin, 
  divided 
  by 
  a 
  narrow 
  prolongation 
  of 
  the 
  dark 
  

   band 
  ; 
  a 
  nearly 
  vertical 
  blistered 
  brown 
  line 
  between 
  the 
  ends 
  of 
  the 
  

   two 
  cubiti 
  on 
  the 
  inner 
  margin, 
  with 
  a 
  slight 
  darker 
  clouding 
  oiit- 
  

   side 
  the 
  apex 
  of 
  the 
  line 
  ; 
  subcosta 
  conspicuously 
  pale 
  yellow, 
  with 
  

   black 
  lines 
  beneath 
  the 
  paired 
  (or 
  grouped) 
  costal 
  nervules 
  ; 
  neura- 
  

   tion 
  otherwise 
  mostly 
  black 
  (except 
  at 
  the 
  apex), 
  but 
  several 
  of 
  the 
  

   longitudinal 
  nervures, 
  and 
  their 
  chief 
  branches, 
  are 
  finely 
  yellowish 
  ; 
  

   pterostigma 
  pale 
  yellowish, 
  with 
  5 
  or 
  6 
  furcate 
  or 
  bifurcate 
  ner- 
  

   vules 
  : 
  costal 
  nervules 
  about 
  40 
  in 
  the 
  anterior 
  wings, 
  the 
  first 
  

   eight 
  regular, 
  afterwards 
  they 
  are 
  grouped 
  in 
  pairs 
  or 
  threes, 
  with 
  

   long 
  free 
  spaces 
  between 
  the 
  groups 
  (in 
  the 
  posterior 
  wings 
  this 
  

   grouping 
  is 
  less 
  defined) 
  ; 
  post-stigmatical 
  area 
  broad, 
  occupied 
  by 
  

   about 
  6 
  rows 
  of 
  minute 
  cellules 
  ; 
  about 
  6 
  rows 
  (5 
  in 
  the 
  posterior) 
  

   of 
  somewhat 
  irregular 
  cellules 
  between 
  the 
  lower 
  cubitus 
  and 
  the 
  

   inner 
  margin 
  ; 
  sector 
  radii 
  with 
  two 
  principal 
  branches, 
  but 
  the 
  

   upper 
  is 
  tri- 
  or 
  quadri-furcate. 
  Length 
  of 
  body, 
  31 
  mm. 
  Expanse 
  

   of 
  wings, 
  115 
  mm. 
  Length 
  of 
  anterior 
  wing, 
  55 
  mm. 
  ; 
  greatest 
  

   breadth, 
  15 
  mm. 
  Length 
  of 
  posterior 
  wing, 
  52 
  mm. 
  

  

  Hah. 
  West 
  Africa 
  (Cameroons, 
  D. 
  G. 
  Rutherford), 
  

   One 
  ? 
  in 
  my 
  collection. 
  

  

  Allocormodes, 
  new 
  name. 
  

  

  = 
  Cormodes, 
  McLach., 
  Journ. 
  Linn. 
  Soc. 
  Lond., 
  ZooL, 
  

   xi., 
  p. 
  239 
  (1871) 
  ; 
  preoccupied 
  by 
  Pascoe 
  in 
  Coleoptera, 
  

   Journ. 
  of 
  Entomol., 
  i., 
  p. 
  44 
  (1861). 
  

  

  Idricerus 
  Ehcesii, 
  n. 
  sp. 
  

   Antennae 
  yellowish, 
  narrowly 
  amnilated 
  with 
  black 
  at 
  the 
  sutures 
  ; 
  

   club 
  dark 
  brown. 
  Head 
  black, 
  with 
  dense 
  black 
  villosity 
  above, 
  

   and 
  between 
  the 
  antennae 
  ; 
  face 
  black 
  ; 
  labrum 
  yellow 
  ; 
  palpi 
  

   testaceous 
  ; 
  eyes 
  bronzy. 
  Thorax 
  greyish-brown, 
  slightly 
  yellowish 
  

   beneath, 
  with 
  blackish 
  pubescence 
  above, 
  which 
  becomes 
  whitish 
  

   on 
  the 
  pleurae 
  and 
  breast. 
  Legs 
  reddish, 
  base 
  of 
  tibiae, 
  and 
  the 
  

   tarsi 
  wholly, 
  black 
  ; 
  spurs 
  dark 
  piceous, 
  those 
  on 
  the 
  posterior 
  

   tibiae 
  scarcely 
  so 
  long 
  as 
  the 
  first 
  two 
  tarsal 
  joints 
  ; 
  claws 
  dark 
  

   piceous. 
  Abdomen 
  stout 
  in 
  the 
  basal 
  half, 
  afterwards 
  more 
  slender 
  

   to 
  the 
  apex, 
  which 
  is 
  obtuse 
  : 
  colour 
  above 
  velvety 
  black, 
  with 
  a 
  

   piceous 
  tinge 
  ; 
  beneath 
  yellowish-ochreous 
  in 
  the 
  basal 
  half, 
  with 
  

  

  