﻿356 
  LASIOPYGA 
  

  

  1905, 
  p. 
  70; 
  Elliot, 
  Cat. 
  Mamm. 
  Field 
  Columb. 
  Mus., 
  F. 
  C. 
  M. 
  

   Pub., 
  VIII, 
  1906, 
  p. 
  569, 
  Zool. 
  Ser. 
  

   Cercopithecus 
  pogonias 
  Schleg., 
  Mus. 
  Pays-Bas, 
  Simise, 
  1876, 
  p. 
  

   82, 
  (Part.). 
  

  

  GRAY'S 
  GUENON. 
  

  

  Type 
  locality. 
  Unknown. 
  

  

  Geogr. 
  Distr. 
  River 
  Congo, 
  Southern 
  Cameroon, 
  (Bates) 
  ; 
  West 
  

   Africa. 
  

  

  Genl. 
  Char. 
  Head 
  yellow 
  with 
  three 
  black 
  stripes; 
  no 
  black 
  on 
  

   back. 
  

  

  Color. 
  Male. 
  Brow 
  band 
  exceedingly 
  broad 
  extending 
  to 
  crown 
  

   cream 
  color, 
  divided 
  in 
  the 
  middle 
  by 
  a 
  narrow 
  black 
  line 
  ; 
  black 
  bands 
  

   from 
  eye 
  across 
  temples 
  to 
  ears 
  ; 
  top 
  of 
  head, 
  occiput, 
  hind 
  neck, 
  and 
  

   space 
  between 
  shoulders 
  black, 
  hairs 
  tipped 
  with 
  yellow 
  ; 
  dorsal 
  region 
  

   speckled 
  rufous 
  and 
  black, 
  becoming 
  jet 
  black 
  at 
  root 
  of 
  tail, 
  the 
  rump 
  

   but 
  sparsely 
  speckled 
  nearly 
  black 
  ; 
  flanks 
  towards 
  arms 
  speckled 
  yellow 
  

   and 
  black, 
  the 
  posterior 
  half 
  towards 
  thighs 
  gray, 
  speckled 
  with 
  black 
  

   and 
  white; 
  sides 
  of 
  face 
  and 
  whiskers 
  yellow, 
  speckled 
  with 
  black; 
  

   outer 
  side 
  of 
  arms, 
  hands 
  and 
  feet 
  black, 
  speckled 
  with 
  white 
  above 
  

   elbows 
  ; 
  legs 
  on 
  outer 
  side 
  like 
  thighs 
  grizzled 
  iron 
  gray 
  ; 
  entire 
  under 
  

   parts, 
  and 
  inner 
  side 
  of 
  limbs 
  orange 
  buff, 
  the 
  hairs 
  being 
  yellowish 
  

   white 
  at 
  base; 
  tail 
  above 
  jet 
  black, 
  beneath 
  buff 
  yellow, 
  apical 
  portion 
  

   orange 
  buff 
  ; 
  ear 
  tufts 
  ochraceous 
  buff. 
  

  

  Measurements. 
  Total 
  length, 
  1,417; 
  tail, 
  870; 
  foot, 
  142; 
  ear, 
  28, 
  

   (Collector). 
  Skull 
  : 
  total 
  length, 
  100; 
  occipito-nasal 
  length, 
  86.3 
  ; 
  inter- 
  

   temporal 
  width, 
  44.5 
  ; 
  Hensel, 
  68.3 
  ; 
  zygomatic 
  width, 
  68.4 
  ; 
  width 
  of 
  

   braincase, 
  55.4; 
  median 
  length 
  of 
  nasals, 
  14; 
  palatal 
  length, 
  31.3 
  ; 
  length 
  

   of 
  upper 
  molar 
  series, 
  24.7; 
  length 
  of 
  upper 
  canines, 
  20.1; 
  length 
  of 
  

   mandible, 
  69.7; 
  length 
  of 
  lower 
  molar 
  series, 
  28.2. 
  

  

  Lasiopyga 
  grayi 
  pallida 
  (Elliot). 
  

  

  Cercopithecus 
  pogonias 
  pallidus 
  Elliot, 
  Ann. 
  Mag. 
  Nat. 
  Hist., 
  IV, 
  

   8th 
  Ser., 
  1909, 
  p. 
  261. 
  

  

  Type 
  locality. 
  Gaboon. 
  Type 
  in 
  British 
  Museum, 
  ex 
  Laglaize 
  

   Collection. 
  

  

  Geogr. 
  Distr. 
  Gaboon. 
  

  

  Genl. 
  Char. 
  Similar 
  to 
  L. 
  grayi, 
  but 
  paler 
  beneath, 
  no 
  uniform 
  

   black 
  on 
  rump, 
  hairs 
  speckled 
  like 
  back 
  to 
  root 
  of 
  tail. 
  

  

  Color. 
  Female. 
  Forehead 
  like 
  L. 
  grayi 
  ; 
  upper 
  part 
  of 
  head, 
  hind 
  

   neck 
  and 
  between 
  shoulders 
  redder, 
  speckled 
  with 
  buff 
  yellow 
  and 
  

   black, 
  the 
  buff 
  yellow 
  being 
  the 
  dominant 
  color 
  and 
  giving 
  the 
  tone 
  

  

  