﻿LASIOPYGA 
  325 
  

  

  series, 
  22.7 
  ; 
  length 
  of 
  upper 
  canines, 
  15; 
  length 
  of 
  mandible, 
  28.2; 
  

   length 
  of 
  lower 
  molar 
  series, 
  31. 
  

  

  The 
  type 
  is 
  a 
  flat 
  skin 
  without 
  head 
  or 
  skull, 
  so 
  the 
  measurements 
  

   are 
  taken 
  from 
  another 
  example 
  in 
  the 
  British 
  Museum, 
  as 
  is 
  also 
  the 
  

   description 
  of 
  the 
  head. 
  

  

  Subgenus 
  5. 
  Chlorocebus. 
  

  

  General 
  color 
  with 
  a 
  greenish 
  tinge 
  ; 
  color 
  of 
  hairs 
  being 
  a 
  mingling 
  

   of 
  gray, 
  black 
  and 
  tawny, 
  or 
  yellow. 
  

  

  KEY 
  TO 
  THE 
  SPECIES 
  AND 
  SUBSPECIES. 
  

  

  A. 
  No 
  rufous 
  patch 
  at 
  root 
  of 
  tail 
  beneath 
  ; 
  end 
  of 
  tail 
  

  

  not 
  black. 
  

  

  a. 
  White 
  band 
  across 
  forehead. 
  

  

  a! 
  General 
  hue 
  tawny, 
  black 
  speckled 
  L. 
  matschie. 
  

  

  b! 
  General 
  hue 
  paler, 
  size 
  smaller 
  L. 
  hilgerti. 
  

  

  c! 
  General 
  hue 
  tawny 
  ochraceous, 
  fur 
  long, 
  

  

  thick 
  L. 
  djamdjatnensis. 
  

  

  d! 
  Whiskers 
  buffy 
  white. 
  

  

  a" 
  General 
  hue 
  greenish 
  yellow 
  and 
  black.. 
  .L. 
  tantalus, 
  

   b." 
  General 
  hue 
  buff 
  yellow 
  and 
  black. 
  

  

  a!" 
  Hands 
  and 
  feet 
  brownish 
  black. 
  .L. 
  t. 
  budgetti. 
  

   b!" 
  Hands 
  and 
  feet 
  gray, 
  black 
  and 
  

  

  white 
  speckled 
  L. 
  t. 
  griseisticta. 
  

  

  e! 
  Whiskers 
  all 
  white 
  L. 
  t. 
  alexandri. 
  

  

  b. 
  No 
  white 
  brow 
  band. 
  

  

  a.' 
  Whiskers 
  radiating 
  from 
  ear 
  in 
  semicircle. 
  

  

  a!' 
  Hairs 
  gray 
  at 
  base 
  L. 
  callitrichus. 
  

  

  b." 
  Hairs 
  blackish 
  brown 
  at 
  base 
  L. 
  werneri. 
  

  

  b! 
  Whiskers 
  not 
  radiating 
  from 
  ear 
  in 
  semi- 
  

   circle. 
  

   a." 
  Whiskers 
  not 
  blending 
  in 
  color 
  with 
  

  

  top 
  of 
  head 
  L. 
  griseoviridis. 
  

  

  b." 
  Whiskers 
  blending 
  in 
  color 
  with 
  top 
  

  

  of 
  head 
  L. 
  cynosura. 
  

  

  B. 
  Rufous 
  patch 
  at 
  root 
  of 
  tail 
  beneath 
  ; 
  end 
  of 
  tail 
  

  

  black. 
  

  

  a. 
  Upper 
  parts 
  speckled 
  gray 
  and 
  cream 
  color. 
  . 
  .L. 
  pygerythra. 
  

  

  b. 
  Upper 
  parts 
  reddish 
  and 
  ochraceous 
  L. 
  rufoviridis. 
  

  

  