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  CERCOCEBUS 
  

  

  Cercocebus 
  chrysogaster 
  Lydekker. 
  

  

  Cercocebus 
  chrysogaster 
  Lydekk., 
  Novit. 
  Zool., 
  VII, 
  1900, 
  p. 
  279, 
  

   pi. 
  Ill 
  ; 
  Pocock, 
  Ann. 
  Mag. 
  Nat. 
  Hist, 
  XVIII, 
  7th 
  Sen, 
  1906, 
  

   p. 
  280. 
  

  

  Cercocebus 
  fuliginosus 
  Rothsch., 
  Novit. 
  Zool., 
  VII, 
  1900, 
  p. 
  279, 
  

   (nee 
  E. 
  Geoff.). 
  

  

  GOLDEN-BELLIED 
  MANGABEY. 
  

  

  Type 
  locality. 
  Upper 
  Congo. 
  Type 
  in 
  Tring 
  Museum. 
  

  

  Geogr. 
  Distr. 
  Unknown. 
  

  

  Genl. 
  Char. 
  Hairs 
  on 
  crown 
  annulated 
  ; 
  under 
  parts 
  orange. 
  

  

  Color. 
  Crown 
  light 
  olive, 
  speckled, 
  caused 
  by 
  the 
  dark 
  and 
  yellow 
  

   rings 
  on 
  the 
  hairs 
  ; 
  upper 
  parts 
  similar, 
  but 
  less 
  speckled 
  on 
  hinder 
  and 
  

   lateral 
  portions; 
  flanks 
  and 
  outer 
  sides 
  of 
  limbs 
  and 
  tail 
  slate 
  gray 
  

   speckled 
  like 
  back; 
  sides 
  of 
  head 
  and 
  under 
  parts 
  from 
  chin 
  to 
  tail 
  

   golden 
  yellow; 
  inner 
  surface 
  of 
  limbs 
  pale 
  slate 
  gray; 
  tail 
  above 
  at 
  

   base 
  like 
  back, 
  rest 
  gray, 
  beneath 
  grayish 
  white 
  at 
  base, 
  rest 
  gray; 
  

   hands 
  grayish 
  brown 
  speckled 
  with 
  gray; 
  feet 
  slate 
  gray 
  speckled 
  

   with 
  yellow. 
  Ex 
  type 
  Tring 
  Museum. 
  

  

  Measurements. 
  Total 
  length, 
  790; 
  tail, 
  430; 
  foot, 
  130. 
  

  

  Cercocebus 
  agilis 
  E. 
  Riviere. 
  

  

  Cercocebus 
  agilis 
  E. 
  Riviere, 
  Rev. 
  Scient., 
  XII, 
  1886, 
  p. 
  15; 
  

   Pousarg., 
  Ann. 
  Scien. 
  Nat., 
  Zool., 
  Ill, 
  7me 
  Ser., 
  1896, 
  pp. 
  

   229-235; 
  Trouess., 
  Le 
  Natural., 
  1897, 
  p. 
  9; 
  Pocock, 
  Ann. 
  

   Mag. 
  Nat. 
  Hist., 
  XVIII, 
  7th 
  Ser., 
  1906, 
  p. 
  282. 
  

  

  AGILE 
  MANGABEY. 
  

  

  Type 
  locality. 
  Confluence 
  of 
  the 
  Oubangui 
  and 
  Congo. 
  "French 
  

   Congo, 
  Poste 
  des 
  Ouaddes." 
  Type 
  in 
  Paris 
  Museum. 
  

  

  Geogr. 
  Distr. 
  French 
  Congo. 
  Range 
  unknown. 
  

  

  Genl. 
  Char. 
  Hair 
  radiating 
  from 
  a 
  point 
  over 
  eyebrows, 
  some 
  

   hairs 
  directed 
  forward. 
  

  

  Color. 
  Top 
  of 
  head, 
  hairs 
  blackish 
  brown 
  tipped 
  with 
  yellow, 
  this 
  

   being 
  the 
  general 
  color; 
  upper 
  parts 
  and 
  sides 
  of 
  body, 
  pale 
  reddish 
  

   brown, 
  hairs 
  tipped 
  with 
  yellow 
  and 
  gray 
  at 
  base 
  ; 
  limbs 
  darker 
  brown, 
  

   hairs 
  tipped 
  with 
  yellowish 
  giving 
  them 
  a 
  speckled 
  appearance 
  ; 
  blackish 
  

   at 
  point 
  of 
  shoulder 
  and 
  on 
  knees 
  ; 
  outer 
  side 
  of 
  thigh 
  and 
  inner 
  side 
  

   of 
  limbs 
  pale 
  yellow 
  or 
  yellowish 
  white 
  ; 
  hands 
  and 
  feet 
  black 
  ; 
  a 
  white 
  

   band 
  along 
  side 
  of 
  face 
  formed 
  by 
  the 
  color 
  at 
  base 
  of 
  hairs 
  ; 
  whiskers 
  

   and 
  side 
  of 
  head 
  dark 
  mummy 
  brown, 
  hairs 
  tipped 
  with 
  yellow 
  ; 
  under 
  

   parts 
  yellowish 
  white; 
  tail 
  blackish 
  brown 
  at 
  base 
  on 
  top, 
  remainder 
  

   grayish 
  brown 
  tinged 
  with 
  red. 
  Ex 
  type 
  Paris 
  Museum. 
  

  

  