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  PITHECUS 
  

  

  PlTHECUS 
  IMPUDENS 
  Elliot. 
  

  

  Pithecus 
  impudens 
  Elliot, 
  Proc. 
  U. 
  S. 
  Nat. 
  Mus., 
  XXXVIII, 
  1910, 
  

   p. 
  350. 
  

  

  Type 
  locality. 
  Pulo 
  Sugi, 
  Rhio 
  Archipelago. 
  Type 
  in 
  United 
  

   States 
  National 
  Museum. 
  

  

  Genl. 
  Char. 
  Size 
  medium, 
  tail 
  very 
  long. 
  Skull: 
  with 
  rostrum 
  

   narrow 
  anteriorly 
  ; 
  incisors 
  very 
  small 
  ; 
  posterior 
  edge 
  of 
  last 
  molar 
  

   not 
  reaching 
  palatal 
  arch; 
  tooth 
  rows 
  curved; 
  nasals 
  comparatively 
  

   long, 
  broad 
  anteriorly; 
  tail 
  longer 
  than 
  head 
  and 
  body. 
  

  

  Color. 
  Space 
  above 
  eyes 
  bare, 
  flesh 
  color 
  ; 
  face 
  covered 
  with 
  short 
  

   white 
  hairs; 
  narrow 
  black 
  line 
  on 
  forehead; 
  top 
  of 
  head 
  and 
  upper 
  

   parts 
  ochraceous 
  and 
  black, 
  the 
  hairs 
  annulated 
  with 
  these 
  colors, 
  and 
  

   gray 
  at 
  base; 
  outer 
  side 
  of 
  thighs 
  similar 
  but 
  paler; 
  flanks 
  grayish; 
  

   arms 
  and 
  hands 
  dark 
  brownish 
  gray 
  and 
  buff; 
  legs 
  smoke 
  gray, 
  feet 
  

   similar 
  with 
  a 
  yellow 
  tinge; 
  under 
  parts 
  and 
  inner 
  side 
  of 
  limbs 
  

   whitish; 
  tail 
  above 
  blackish 
  on 
  basal 
  half, 
  smoke 
  gray 
  on 
  remainder, 
  

   beneath 
  yellowish 
  white. 
  Ex 
  type 
  United 
  States 
  National 
  Museum. 
  

  

  Measurements. 
  Total 
  length, 
  962 
  ; 
  tail, 
  522. 
  Skull 
  : 
  total 
  length, 
  

   109.3; 
  occipito-nasal 
  length, 
  92.6; 
  Hensel, 
  73.4; 
  intertemporal 
  width, 
  

   38; 
  zygomatic 
  width, 
  72.6; 
  palatal 
  length, 
  42.7; 
  median 
  nasal 
  length, 
  

   26.7; 
  length 
  of 
  upper 
  molar 
  series, 
  27.1; 
  length 
  of 
  mandible, 
  77.9; 
  

   length 
  of 
  lower 
  molar 
  series, 
  34.1. 
  Ex 
  type 
  United 
  States 
  National 
  

   Museum. 
  

  

  Pithecus 
  bintangensis 
  Elliot. 
  

  

  Pithecus 
  bintangensis 
  Elliot, 
  Ann. 
  Mag. 
  Nat. 
  Hist., 
  IV, 
  8th 
  Ser., 
  

   1909, 
  p. 
  257. 
  

  

  Type 
  locality. 
  Sungei 
  Boru, 
  north 
  east 
  part 
  of 
  Island 
  of 
  Bintang. 
  

   Type 
  in 
  British 
  Museum. 
  

  

  Geogr. 
  Distr. 
  Islands 
  of 
  Bintang 
  and 
  Batam. 
  

  

  Genl. 
  Char. 
  General 
  hue 
  dark, 
  burnt 
  umber. 
  Skull 
  : 
  facial 
  region 
  

   about 
  three 
  fourths 
  the 
  length 
  of 
  braincase 
  ; 
  septum 
  very 
  narrow 
  ; 
  outer 
  

   edge 
  of 
  zygomatic 
  arch 
  straight, 
  sloping 
  slightly 
  inward 
  posteriorly 
  to 
  

   root 
  of 
  zygoma; 
  greatest 
  width 
  of 
  rostrum 
  equal 
  to 
  its 
  length; 
  tooth 
  

   rows 
  straight; 
  teeth 
  of 
  moderate 
  size; 
  width 
  of 
  palate 
  about 
  equal 
  

   throughout 
  the 
  length; 
  braincase 
  balloon 
  shape, 
  much 
  constricted 
  at 
  

   intertemporal 
  region, 
  bulging 
  posteriorly. 
  

  

  Color. 
  Male. 
  Patch 
  above 
  eyes 
  flesh 
  color; 
  general 
  hue 
  above, 
  

   burnt 
  umber 
  on 
  head 
  and 
  upper 
  parts, 
  the 
  hairs 
  being 
  slate 
  gray, 
  and 
  

   banded 
  on 
  apical 
  half 
  with 
  tawny 
  ochraceous 
  and 
  black; 
  narrow 
  line 
  

   over 
  eyes 
  blackish 
  gray; 
  numerous 
  long 
  stiff 
  black 
  hairs 
  standing 
  

  

  