﻿632 
  Mr. 
  W. 
  Schaus 
  on 
  

  

  mottlings 
  on 
  postmedial 
  area 
  from 
  vein 
  3 
  to 
  costa. 
  Hind 
  

   wings 
  white 
  ; 
  a 
  broad 
  fuscous 
  shade 
  from 
  base 
  to 
  outer 
  

   margin 
  near 
  inner 
  margin. 
  

  

  Expanse 
  46 
  mm. 
  

  

  Ilab. 
  Sixola. 
  

  

  Closely 
  allied 
  to 
  T. 
  parilis, 
  Schs. 
  

  

  Cossus 
  infantilis, 
  sp. 
  n. 
  

  

  cJ 
  . 
  Body 
  fuscous 
  brown, 
  the 
  collar 
  and 
  thorax 
  mottled 
  

   with 
  white. 
  Fore 
  wings 
  brown 
  ; 
  a 
  white 
  spot 
  on 
  disco- 
  

   cellular 
  ; 
  a 
  fine 
  postmedial 
  and 
  subterminal 
  fuscous-brown 
  

   line, 
  each 
  emitting 
  downwardly 
  oblique 
  branches; 
  some 
  

   greyish 
  shadings 
  on 
  branches 
  of 
  subterminal. 
  Hind 
  wings 
  

   fuscous 
  brown. 
  

  

  Expanse 
  20 
  mm. 
  

  

  Ilab. 
  Esperanza. 
  

  

  Cossus 
  nina, 
  sp. 
  n. 
  

  

  Head 
  and 
  thorax 
  whitish 
  grey, 
  with 
  some 
  dark 
  irrorations 
  ; 
  

   Abdomen 
  grey, 
  palest 
  on 
  terminal 
  half, 
  and 
  banded 
  with 
  

   fuscous. 
  Fore 
  wings 
  grey; 
  a 
  whitish 
  shade 
  at 
  end 
  of 
  cell 
  

   and 
  between 
  veins 
  2 
  and 
  4 
  ; 
  a 
  few 
  fine 
  velvety 
  black 
  striro, 
  

   forming 
  a 
  medial 
  line, 
  which 
  crosses 
  a 
  darker 
  grey 
  spot 
  above 
  

   inner 
  margin 
  ; 
  a 
  postmedial 
  line 
  from 
  vein 
  8 
  to 
  tornus, 
  

   followed 
  by 
  a 
  subterminal 
  line 
  inbent 
  from 
  near 
  apex 
  to 
  

   vein 
  5. 
  Hind 
  wings 
  dark 
  grey. 
  

  

  Expanse 
  33 
  mm. 
  

  

  Ilab. 
  Sixola. 
  

  

  Hypopta 
  cinerea, 
  sp. 
  n. 
  

  

  Head 
  and 
  thorax 
  brown, 
  mottled 
  with 
  buff 
  hairs 
  ; 
  abdomen 
  

   greyish 
  buff, 
  faintly 
  banded 
  with 
  f 
  uscou?. 
  Fore 
  wings 
  greyish 
  

   buff, 
  thickly 
  covered 
  with 
  brownish 
  striae 
  ; 
  subterminally 
  a 
  

   small 
  brownish 
  spot 
  between 
  4 
  and 
  5, 
  and 
  6 
  and 
  7, 
  both 
  very 
  

   indistinct, 
  geminate 
  darker 
  spots 
  at 
  end 
  of 
  veins; 
  cilia 
  dark 
  

   brown, 
  with 
  faint 
  intervenal 
  greyish-buff 
  spots. 
  Hind 
  wings 
  

   similar 
  ; 
  the 
  inner 
  margin 
  broadly 
  brownish. 
  

  

  Expanse 
  35 
  mm. 
  

  

  Hub. 
  Sixola. 
  

  

  Cossula 
  albicosta, 
  sp. 
  n. 
  

  

  Body 
  brown, 
  thickly 
  mottled 
  with 
  while 
  hairs, 
  giving 
  it 
  a 
  

   grey 
  appearance. 
  Fore 
  wings 
  : 
  the 
  costal 
  margin 
  to 
  near 
  

   apex 
  whitish, 
  crossed 
  by 
  a 
  few 
  dark 
  striee 
  near 
  base 
  ; 
  the 
  

   inner 
  margin 
  finely 
  white 
  to 
  beyond 
  middle; 
  space 
  below 
  

  

  