﻿326 
  LAS10PYGA 
  

  

  c. 
  Upper 
  parts 
  tawny 
  and 
  black 
  L. 
  rubella. 
  

  

  d. 
  Upper 
  parts 
  buff, 
  yellow, 
  or 
  ochraceous 
  and 
  

  

  black. 
  

   a! 
  Chin 
  black. 
  

  

  a." 
  Legs 
  unspeckled. 
  

  

  a."' 
  Legs 
  mixed 
  gray 
  and 
  black 
  L. 
  callida. 
  

  

  b"' 
  Legs 
  bluish 
  gray, 
  hairs 
  tipped 
  

  

  with 
  white 
  L. 
  centralis. 
  

  

  b." 
  Legs 
  speckled. 
  

  

  a.'" 
  Under 
  parts 
  grayish 
  white 
  L. 
  c. 
  whytei. 
  

  

  b!" 
  Under 
  parts 
  buff 
  L. 
  c. 
  lutea. 
  

  

  b! 
  Chin 
  white 
  L. 
  c. 
  johnstoni. 
  

  

  e. 
  Upper 
  parts 
  speckled 
  buff 
  yellow 
  and 
  black. 
  

  

  a.' 
  Legs 
  gray 
  speckled 
  with 
  cream 
  color 
  L. 
  silacea. 
  

  

  b! 
  Legs 
  yellow, 
  unspeckled 
  L. 
  nigriviridis. 
  

  

  Lasiopyga 
  matschie 
  (Neumann). 
  

  

  Cercopithecus 
  matschie 
  Neum., 
  Sitzungsb. 
  Ges. 
  Naturf. 
  Freund., 
  

   Berlin, 
  1894, 
  p. 
  15; 
  1902, 
  p. 
  51; 
  Id. 
  Proc. 
  Zool. 
  Lond., 
  II, 
  

   1902, 
  p. 
  143 
  ; 
  Pocock, 
  Proc. 
  Zool. 
  Soc. 
  Lond., 
  1907, 
  p. 
  730. 
  

  

  MATSCHIE' 
  S 
  GUENON. 
  

  

  Type 
  locality. 
  Malo, 
  Omo 
  River, 
  north 
  of 
  Lake 
  Rudolf. 
  Type 
  

   in 
  Berlin 
  Museum. 
  

  

  Geogr. 
  Distr. 
  Dark 
  forests 
  of 
  the 
  Omo 
  and 
  Sobat 
  rivers. 
  

  

  Genl. 
  Char. 
  Upper 
  parts 
  tawny 
  instead 
  of 
  green. 
  

  

  Color. 
  Top 
  of 
  head, 
  neck 
  and 
  entire 
  upper 
  parts 
  of 
  body 
  tawny, 
  

   the 
  hairs 
  grayish 
  at 
  base 
  then 
  ringed 
  with 
  black 
  and 
  tawny 
  ; 
  narrow 
  line 
  

   on 
  forehead, 
  sides 
  of 
  head, 
  throat, 
  entire 
  under 
  parts 
  and 
  inner 
  side 
  of 
  

   limbs 
  white; 
  nose, 
  lips 
  and 
  chin 
  black; 
  shoulders 
  and 
  upper 
  part 
  of 
  

   thighs 
  with 
  the 
  hairs 
  ringed 
  with 
  black 
  and 
  ochraceous, 
  paler 
  than 
  the 
  

   back 
  ; 
  hairs 
  on 
  forearms 
  gray 
  at 
  base, 
  then 
  black 
  and 
  tips 
  white 
  ; 
  legs 
  

   gray; 
  hands 
  and 
  feet 
  black; 
  tail 
  above 
  black, 
  hairs 
  tipped 
  with 
  buff, 
  

   beneath 
  at 
  base 
  white. 
  Ex 
  type 
  Berlin 
  Museum. 
  

  

  Measurements. 
  Total 
  length, 
  1,260; 
  tail, 
  590. 
  Skull: 
  occipito- 
  

   nasal 
  length, 
  93 
  ; 
  Hensel, 
  76 
  ; 
  intertemporal 
  width, 
  42 
  ; 
  zygomatic 
  width, 
  

   70; 
  median 
  length 
  of 
  nasals, 
  22; 
  length 
  of 
  upper 
  molar 
  series, 
  26; 
  

   length 
  of 
  mandible, 
  75 
  ; 
  length 
  of 
  lower 
  molar 
  series, 
  35. 
  Ex 
  type 
  in 
  

   Berlin 
  Museum. 
  

  

  This 
  is 
  the 
  only 
  reddish 
  back 
  species 
  in 
  the 
  green 
  group 
  of 
  this 
  

   genus. 
  It 
  dwells 
  in 
  dark 
  forests 
  which 
  accounts 
  for 
  the 
  intensity 
  

   of 
  its 
  coloring. 
  

  

  