﻿LASIOPYGA 
  307 
  

  

  KEY 
  TO 
  THE 
  SPECIES 
  AND 
  SUBSPECIES. 
  

  

  A. 
  Under 
  parts 
  of 
  body 
  entirely 
  black. 
  

  

  a. 
  Top 
  of 
  head 
  jet 
  black. 
  

  

  a.' 
  Hairs 
  of 
  brow 
  band 
  speckled 
  to 
  base 
  . 
  . 
  .L. 
  leucampyx. 
  

   b! 
  Hairs 
  of 
  brow 
  band 
  white 
  at 
  base. 
  

  

  a." 
  Cheeks 
  speckled 
  L. 
  pluto. 
  

  

  b" 
  Cheeks 
  nearly 
  uniform 
  black 
  L. 
  nigrigenis. 
  

  

  b. 
  Top 
  of 
  head 
  speckled. 
  

  

  a' 
  Black 
  band 
  on 
  upper 
  back. 
  

  

  a." 
  Black 
  band 
  on 
  upper 
  back 
  un- 
  

  

  speckled 
  L. 
  boutourlini. 
  

  

  b." 
  Black 
  band 
  on 
  upper 
  back 
  speckled. 
  . 
  L. 
  opisthosticta. 
  

   b! 
  No 
  band 
  on 
  upper 
  back 
  L. 
  aurora. 
  

  

  B. 
  Under 
  parts 
  of 
  body 
  sooty, 
  or 
  iron 
  gray, 
  or 
  

  

  grayish 
  white. 
  

  

  a. 
  No 
  white 
  spot 
  on 
  nose. 
  

  

  a! 
  Head 
  above 
  to 
  nape 
  jet 
  black. 
  

   a." 
  No 
  black 
  band 
  on 
  chest. 
  

  

  a!" 
  Tail 
  speckled 
  with 
  cream 
  

  

  buff 
  and 
  black 
  L. 
  stuhlmanni. 
  

  

  b!" 
  Tail 
  speckled 
  with 
  silvery 
  

  

  white 
  L. 
  neumanni. 
  

  

  b." 
  Black 
  band 
  on 
  chest. 
  

  

  a!" 
  Rump 
  tinged 
  with 
  reddish 
  

  

  brown 
  L. 
  doggetti. 
  

  

  b!" 
  Rump 
  without 
  reddish 
  brown 
  

   tinge. 
  

   a!"' 
  Area 
  between 
  shoulders 
  

  

  jet 
  black 
  L. 
  princeps. 
  

  

  b."" 
  Area 
  between 
  shoulders 
  

  

  speckled 
  with 
  gray 
  L. 
  carruthersi. 
  

  

  b. 
  With 
  white 
  spot 
  on 
  nose. 
  

  

  a.' 
  Head 
  above 
  speckled. 
  

  

  a." 
  Under 
  part 
  of 
  body 
  all 
  speckled 
  L. 
  nictitans. 
  

  

  b." 
  Color 
  generally 
  grayer 
  L. 
  n. 
  laglaizi. 
  

  

  C* 
  Under 
  parts 
  speckled 
  only 
  on 
  

  

  lower 
  half 
  L. 
  sticticeps. 
  

  

  d." 
  Under 
  parts 
  grayish 
  white 
  L. 
  martini. 
  

  

  