﻿550 
  Mr. 
  G. 
  T. 
  Bethune-Baker 
  on 
  

  

  evenly 
  and 
  gradually 
  outwards. 
  Secondaries 
  of 
  moderate 
  

   dimensions, 
  costa 
  arched 
  near 
  base 
  ; 
  termen 
  slightly 
  truncate, 
  

   somewhat 
  crenulate. 
  Neuration 
  : 
  primaries 
  with 
  0,7,8,9, 
  

   and 
  10 
  stalked, 
  1 
  1 
  from 
  near 
  the 
  middle 
  of 
  the 
  cell 
  ; 
  secondaries 
  

   with 
  3 
  and 
  4 
  from 
  the 
  angle, 
  6 
  and 
  7 
  stalked 
  well 
  beyond 
  the 
  

   cell, 
  5 
  in 
  both 
  wings 
  is 
  weak. 
  

   Type, 
  Epidonta 
  erold, 
  B-B. 
  

  

  • 
  Epidonta 
  eroki, 
  sp. 
  n. 
  

  

  <$ 
  . 
  Head 
  and 
  thorax 
  densely 
  covered 
  with 
  short 
  ash-grey 
  

   hairs, 
  palpi 
  with 
  similar 
  hairs 
  ; 
  abdomen 
  yellowish. 
  Primaries 
  

   ash-grey, 
  with 
  a 
  trace 
  of 
  an 
  irregular 
  median 
  double 
  line, 
  

   beyond 
  which 
  the 
  area 
  is 
  paler, 
  a 
  grey 
  roundish 
  patch 
  at 
  the 
  

   end 
  of 
  the 
  cell 
  ; 
  a 
  postmedian 
  waved 
  row 
  of 
  dark 
  points 
  on 
  

   the 
  veins 
  ; 
  a 
  small 
  wedge-shaped 
  dark 
  grey 
  costal 
  subapical 
  

   patch 
  ; 
  a 
  faint 
  trace 
  of 
  an 
  irregular 
  fine 
  subcrenulate 
  sub- 
  

   terminal 
  line, 
  crenulate 
  margin 
  very 
  finely 
  dark. 
  Secondaries 
  

   creamy 
  white. 
  

  

  $ 
  . 
  Darker 
  grey 
  than 
  the 
  male, 
  all 
  the 
  markings 
  almost 
  

   obsolescent 
  and 
  with 
  grey 
  secondaries. 
  

  

  Expanse, 
  $ 
  42, 
  $ 
  53. 
  

  

  Hab. 
  Doenyo 
  Erok 
  ; 
  April. 
  

  

  Types 
  in 
  my 
  collection. 
  

  

  Paradiastema 
  m'tens, 
  sp. 
  n. 
  

  

  $ 
  . 
  Head 
  and 
  thorax 
  pale 
  greyish 
  brown, 
  antennae 
  black 
  ; 
  

   abdomen 
  ochreous 
  grey, 
  anal 
  extremity 
  golden 
  brown. 
  Pri- 
  

   maries 
  uniform 
  semidiaphanous 
  lustrous 
  golden 
  grey 
  without 
  

   any 
  marks 
  at 
  all. 
  Secondaries 
  lustrous 
  greyish 
  white, 
  with 
  

   a 
  slight 
  trace 
  of 
  yellowish 
  at 
  the 
  apex 
  and 
  along 
  the 
  termen. 
  

   All 
  the 
  wings 
  are 
  very 
  sparingly 
  covered 
  with 
  scales 
  and 
  

   are 
  therefore 
  somewhat 
  hyaline. 
  

  

  Expanse 
  68 
  mm. 
  

  

  Hab. 
  Lokoja 
  District. 
  

  

  Type 
  in 
  my 
  collection. 
  

  

  Near 
  P. 
  pulverea, 
  but 
  the 
  abdomen 
  is 
  not 
  intersected 
  with 
  

   black 
  and 
  the 
  anal 
  segments 
  are 
  golden 
  brown 
  not 
  white. 
  

  

  Scrancia 
  hollandi, 
  sp. 
  n. 
  

  

  cf 
  . 
  Head 
  whitish, 
  thorax 
  dark 
  reddish, 
  abdomen 
  straw- 
  

   coloured. 
  Primaries 
  whitish, 
  with 
  the 
  base 
  and 
  upper 
  part 
  of 
  

   the 
  wing 
  to 
  the 
  end 
  of 
  the 
  cell 
  very 
  dark 
  crimson-brown, 
  

   which 
  also 
  extends 
  about 
  veins 
  5 
  and 
  6 
  to 
  the 
  termen 
  and 
  is 
  

   more 
  or 
  less 
  visible 
  below 
  vein 
  1. 
  Secondaries 
  shining 
  white. 
  

  

  Expanse 
  34 
  mm. 
  

  

  