﻿Lepidoptera 
  collected 
  in 
  Madeira. 
  209 
  

  

  Nyssocnemis 
  duhiosa, 
  n. 
  sp. 
  

   Primaries 
  umber-brown, 
  with 
  the 
  central 
  area 
  enclosed 
  by 
  the 
  

   inner 
  hne 
  and 
  elbowed 
  line 
  of 
  a 
  deeper 
  velvety 
  brown. 
  The 
  

   orbicular 
  and 
  reniform 
  stigmas 
  of 
  the 
  usual 
  PJilogojphora 
  shape, 
  

   the 
  former 
  being 
  of 
  the 
  same 
  hue 
  as 
  the 
  ground 
  colour, 
  as 
  also 
  the 
  

   latter, 
  but 
  this 
  is 
  in 
  another 
  specimen 
  of 
  a 
  pale 
  ochreous 
  ; 
  the 
  half 
  

   line 
  at 
  the 
  base 
  of 
  the 
  wings 
  is 
  fairly 
  distinct, 
  and 
  so 
  is 
  the 
  stib- 
  

   terminal 
  line, 
  which 
  is 
  sharply 
  dentate. 
  Costa 
  with 
  three 
  small 
  

   pale 
  ochreous 
  dots 
  between 
  the 
  reniform 
  stigma 
  and 
  the 
  apex. 
  

   Fringes 
  same 
  hue 
  as 
  primaries, 
  with 
  a 
  darker 
  central 
  shading. 
  

   Secondaries 
  brownish 
  grey, 
  somewhat 
  paler 
  towards 
  the 
  base, 
  with 
  

   paler 
  fiinges, 
  which 
  are 
  scalloped, 
  as 
  is 
  also 
  the 
  posterior 
  margin. 
  

   Thorax 
  and 
  abdomen 
  as 
  fore 
  and 
  hind 
  wings 
  respectively. 
  Antennae 
  

   pectinated. 
  Alar 
  expanse, 
  39 
  to 
  41 
  mm. 
  

  

  I 
  have 
  been 
  a 
  little 
  doubtful 
  where 
  to 
  place 
  this 
  

   species. 
  The 
  genus 
  Nyssocnemis 
  has 
  the 
  antennae 
  almost 
  

   ciliate, 
  but 
  in 
  duhiosa 
  they 
  are 
  merely 
  pectinate 
  ; 
  in 
  every 
  

   other 
  feature, 
  however, 
  it 
  is 
  so 
  close 
  an 
  ally 
  to 
  ohesa, 
  

   that 
  I 
  think 
  there 
  is 
  no 
  doubt 
  that 
  it 
  should 
  be 
  placed 
  

   in 
  the 
  same 
  genus 
  with 
  that 
  insect, 
  from 
  which 
  it 
  may 
  

   be 
  recognised 
  by 
  the 
  antennae, 
  as 
  just 
  mentioned, 
  and 
  

   by 
  its 
  raither 
  smaller 
  size. 
  In 
  my 
  insect 
  the 
  orbicular 
  

   stigma 
  is 
  very 
  distinct, 
  but 
  very 
  indistinct 
  in 
  ohesa 
  ; 
  the 
  

   secondaries 
  are 
  also 
  darker 
  and 
  more 
  uniform 
  than 
  in 
  

   that 
  species, 
  which 
  has 
  them 
  of 
  a 
  pale 
  yellowish 
  grey 
  

   hue, 
  with 
  a 
  broad 
  dark 
  posterior 
  margin. 
  

  

  Nonagria 
  sacchari, 
  WoU. 
  (PL 
  XII., 
  fig. 
  4). 
  

  

  " 
  Alis 
  anticis 
  lutareis, 
  puneto 
  nigro 
  plicae 
  ante 
  medium, 
  altero 
  

   disci 
  in 
  medio, 
  serie 
  curvata 
  punctorum 
  nigrorum 
  pone 
  medium, 
  

   linea 
  transversa 
  nigra 
  fere 
  ad 
  marginem 
  postremum 
  ; 
  alis 
  posticis 
  

   albidis 
  immaculatis. 
  Exp. 
  alar. 
  17^ 
  Im."* 
  

  

  Primaries 
  uniform 
  brownish 
  grey, 
  with 
  a 
  small 
  black 
  dot 
  before 
  

   the 
  centre 
  just 
  beneath 
  the 
  discal 
  cell, 
  and 
  generally 
  another 
  

   indistinct 
  one 
  about 
  the 
  centre, 
  which, 
  however, 
  is 
  not 
  quite 
  con- 
  

   stant 
  ; 
  between 
  this 
  and 
  the 
  posterior 
  is 
  a 
  ciirved 
  row 
  of 
  small 
  

   black 
  dots, 
  and 
  close 
  to 
  the 
  hind 
  margin, 
  but 
  not 
  absolutely 
  on 
  its 
  

   edge, 
  is 
  a 
  line 
  of 
  black 
  composed 
  of 
  small 
  dots. 
  Fringes 
  pale 
  

   brownish 
  grey. 
  Secondaries 
  whitish, 
  tinged 
  with 
  grey. 
  ^ 
  antennae 
  

  

  * 
  'Annals 
  & 
  Mag. 
  of 
  Nat. 
  Historv 
  ' 
  (1858), 
  3rd 
  Series, 
  vol. 
  i., 
  

   pp. 
  117, 
  118. 
  

  

  