﻿354 
  ' 
  LASIOPYGA 
  

  

  Lasiopyga 
  pogonias 
  (Bennett). 
  

  

  Cercopithecus 
  pogonias 
  Benn., 
  Proc. 
  Zool. 
  Soc. 
  Lond., 
  1833, 
  p. 
  

   67; 
  Less., 
  Spec. 
  Mamm., 
  1840, 
  p. 
  74; 
  Martin, 
  Mammif. 
  

   Anim., 
  1841, 
  p. 
  543; 
  Reichenb., 
  Vollstand. 
  Naturg. 
  Affen, 
  

   1862, 
  p. 
  109; 
  Gray, 
  Proc. 
  Zool. 
  Soc. 
  Lond., 
  1868, 
  p. 
  182; 
  Id. 
  

   Cat. 
  Monkeys, 
  Lemurs 
  and 
  Fruit-eating 
  Bats, 
  Brit. 
  Mus., 
  

   1870, 
  p. 
  23; 
  Schleg., 
  Mus. 
  Pays-Bas, 
  Simiae, 
  1876, 
  p. 
  82, 
  

   (Part.) 
  ; 
  Sclat, 
  Proc. 
  Zool. 
  Soc. 
  Lond., 
  1893, 
  p. 
  254; 
  Forbes, 
  

   Handb. 
  Primates, 
  1894, 
  p. 
  78; 
  Pousarg., 
  Ann. 
  Scien. 
  Nat., 
  

   Ill, 
  7me 
  Ser., 
  1896, 
  p. 
  212; 
  Pocock, 
  Proc. 
  Zool. 
  Soc. 
  Lond., 
  

   II, 
  1907, 
  p. 
  713. 
  

  

  BEARDED 
  GUENON. 
  

  

  Type 
  locality. 
  Fernando 
  Po, 
  West 
  Africa. 
  

  

  Geogr. 
  Distr. 
  Fernando 
  Po, 
  Gaboon, 
  Ogowe 
  and 
  Oubangui 
  

   rivers; 
  forests 
  of 
  Mayumbe, 
  Sette 
  Cama, 
  French 
  Congo; 
  West 
  

   Africa. 
  

  

  Genl. 
  Char. 
  Forehead 
  yellow, 
  only 
  a 
  few 
  black 
  hairs 
  on 
  the 
  

   middle 
  ; 
  black 
  dorsal 
  stripe 
  present 
  from 
  center 
  of 
  back 
  to 
  tail. 
  

  

  Color. 
  Forehead 
  between 
  eyes, 
  hairs 
  buff, 
  some 
  tipped 
  with 
  

   black; 
  black 
  stripe 
  from 
  eyes 
  over 
  temples 
  to 
  ear; 
  top 
  and 
  back 
  of 
  

   head, 
  upper 
  back, 
  sides 
  of 
  body, 
  outer 
  side 
  of 
  arms 
  speckled 
  black 
  

   and 
  buff 
  or 
  gray; 
  the 
  hairs 
  being 
  gray 
  and 
  the 
  grayish 
  white 
  speckle 
  

   most 
  apparent 
  on 
  shoulders, 
  arms 
  and 
  flanks; 
  from 
  center 
  of 
  back 
  

   to 
  tail 
  runs 
  a 
  broad 
  jet 
  black 
  band; 
  thighs 
  yellowish 
  brown 
  tinged 
  with 
  

   red; 
  sides 
  of 
  face 
  and 
  neck 
  sooty 
  gray, 
  sparsely 
  speckled 
  with 
  yel- 
  

   lowish 
  or 
  grayish 
  white; 
  chin 
  and 
  throat 
  sooty; 
  under 
  parts 
  of 
  body 
  

   and 
  inner 
  side 
  of 
  limbs 
  rusty 
  red 
  ; 
  tail 
  black 
  at 
  root 
  above, 
  then 
  mixed 
  

   black 
  and 
  ochraceous, 
  rest 
  jet 
  black, 
  beneath 
  tawny 
  ochraceous, 
  apical 
  

   half 
  black 
  ; 
  hands 
  and 
  feet 
  black. 
  

  

  Measurements. 
  Total 
  length, 
  1,397; 
  tail, 
  889; 
  foot, 
  152.4. 
  Skull: 
  

   total 
  length, 
  100 
  ; 
  occipito-nasal 
  length, 
  86 
  ; 
  Hensel, 
  67 
  ; 
  intertemporal 
  

   width, 
  43 
  ; 
  palatal 
  length, 
  36 
  ; 
  zygomatic 
  width, 
  73 
  ; 
  breadth 
  of 
  brain- 
  

   case, 
  57; 
  median 
  length 
  of 
  nasals, 
  16; 
  length 
  of 
  upper 
  molar 
  series, 
  

   23 
  ; 
  length 
  of 
  mandible, 
  62 
  ; 
  length 
  of 
  lower 
  molar 
  series, 
  29. 
  

  

  Lasiopyga 
  pogonias 
  nigripes 
  (Du 
  Chaillu). 
  

  

  Cercopithecus 
  nigripes 
  Du 
  Chaillu, 
  Proc. 
  Bost. 
  Soc. 
  Nat. 
  Hist., 
  

   VII, 
  1860, 
  p. 
  360; 
  Gray, 
  Proc. 
  Zool. 
  Soc. 
  Lond., 
  1861, 
  p. 
  

   274; 
  1868, 
  p. 
  182; 
  Reichenb., 
  Vollstand. 
  Naturg. 
  Affen, 
  1862, 
  

   p. 
  110; 
  Sclat, 
  Proc. 
  Zool. 
  Soc. 
  Lond., 
  1893, 
  p. 
  254; 
  Forbes, 
  

   Handb. 
  Primates, 
  II, 
  1894, 
  p. 
  78. 
  

  

  