﻿188 
  PITHECUS 
  

  

  only 
  remains 
  to 
  be 
  mentioned, 
  P. 
  fuscatus 
  from 
  Japan, 
  which 
  is 
  found 
  

   in 
  the 
  Islands 
  of 
  Yakushima 
  and 
  Nippon 
  to 
  14° 
  North 
  Latitude, 
  and 
  

   common 
  on 
  the 
  hills 
  about 
  Kyoto. 
  

  

  KEY 
  TO 
  THE 
  SPECIES. 
  

  

  A. 
  Tail 
  nearly 
  rudimentary 
  1^-3^ 
  inches 
  in 
  length. 
  

  

  a. 
  Color 
  dark 
  brown 
  or 
  blackish 
  above 
  P. 
  speciosus. 
  

  

  b. 
  Color 
  dark 
  reddish 
  chocolate 
  P. 
  harmandi. 
  

  

  c. 
  Color 
  red 
  or 
  golden 
  red 
  P. 
  rufescens. 
  

  

  d. 
  Color 
  dark 
  brown, 
  hairs 
  banded 
  with 
  yellow 
  

  

  and 
  black 
  P. 
  fuscatus. 
  

  

  B. 
  Tail 
  over 
  Z 
  T 
  / 
  2 
  and 
  under 
  8 
  inches 
  in 
  length. 
  

  

  a. 
  Color 
  blackish 
  brown 
  tinged 
  with 
  chestnut 
  P. 
  thibetanum. 
  

  

  b. 
  Color 
  dark 
  gray, 
  hairs 
  tipped 
  with 
  yellowish 
  

  

  brown 
  P. 
  vestitus. 
  

  

  c. 
  Color 
  buff 
  grading 
  to 
  brick 
  dust 
  red 
  on 
  

  

  rump 
  P. 
  sancti-johannis. 
  

  

  d. 
  Color 
  dark 
  orange 
  P. 
  lasiotis. 
  

  

  e. 
  Color 
  bistre 
  P. 
  pagensis. 
  

  

  C. 
  Tail 
  8 
  inches 
  in 
  length 
  but 
  not 
  over 
  12 
  inches. 
  

  

  a. 
  Color 
  tawny 
  ochraceous 
  and 
  black 
  P. 
  villosus. 
  

  

  b. 
  Color 
  tawny 
  olive 
  and 
  black 
  grading 
  into 
  russet 
  ... 
  P. 
  littoralis. 
  

  

  c. 
  Color 
  olive 
  tinged 
  with 
  brown 
  P. 
  cyclopsis. 
  

  

  d. 
  Color 
  uniform 
  black 
  above 
  to 
  rump 
  P. 
  nemestrinus. 
  

  

  e. 
  Color, 
  upper 
  back 
  bright 
  russet, 
  lower 
  back 
  

  

  light 
  ochraceous 
  buff. 
  

  

  a.' 
  Large, 
  tail 
  230 
  mm 
  P. 
  adustus. 
  

  

  b! 
  Small, 
  tail 
  183 
  mm 
  P. 
  insulanus. 
  

  

  f. 
  Color 
  reddish 
  brown, 
  crown 
  mummy 
  brown 
  . 
  P. 
  andamanensis. 
  

  

  g. 
  Color 
  brown 
  washed 
  with 
  yellowish 
  P. 
  assamensis. 
  

  

  h. 
  Color 
  bistre 
  with 
  grayish 
  tinge, 
  and 
  buff 
  

  

  speckled, 
  grading 
  to 
  orange 
  on 
  lower 
  back 
  P. 
  rhesus. 
  

  

  i. 
  Color 
  speckled 
  black 
  and 
  russet, 
  rump 
  dark 
  

  

  orange 
  rufous 
  P. 
  brevicaudus. 
  

  

  D. 
  Tail 
  over 
  12 
  inches 
  but 
  not 
  as 
  long 
  as 
  head 
  and 
  

  

  body. 
  

  

  a. 
  With 
  beard 
  and 
  ruff 
  around 
  the 
  face 
  P. 
  albibarbatus. 
  

  

  b. 
  Without 
  beard 
  or 
  ruff. 
  

  

  a.' 
  Hairs 
  on 
  head 
  radiating 
  from 
  a 
  central 
  

   point. 
  

  

  