﻿224 
  Messrs. 
  TT. 
  C. 
  Robinson 
  and 
  V. 
  B. 
  Kloss 
  on 
  

  

  tail, 
  except 
  a 
  black 
  tip, 
  ocbraceous 
  orange, 
  tenninal 
  half 
  

   more 
  chestnut. 
  Under 
  surface 
  of 
  body 
  pale 
  ochractous 
  

   orange. 
  

  

  Skull. 
  — 
  Closely 
  resembles 
  that 
  of 
  the 
  adjacent 
  form, 
  P. 
  n. 
  

   melanotus, 
  but 
  differs 
  in 
  the 
  longer 
  and 
  broader 
  postoibital 
  

   processes. 
  

  

  Measurements. 
  — 
  Collectors' 
  external 
  measurements 
  (taken 
  

   in 
  the 
  flesh) 
  : 
  — 
  

  

  Head 
  and 
  body 
  417 
  (415*) 
  mm. 
  ; 
  tail 
  486 
  (445) 
  ; 
  hind 
  

   foot 
  77 
  (74) 
  ; 
  ear 
  41. 
  

  

  Skull: 
  greatest 
  length 
  70*5 
  (70*]) 
  ; 
  condylo-basilar 
  length 
  

   62'0 
  (60-0) 
  ; 
  interorbital 
  breadth 
  14 
  (14 
  8) 
  ; 
  zygomatic 
  

   breadtii 
  47'9 
  (46*2) 
  ; 
  cranial 
  breadth 
  31*6; 
  median 
  length 
  of 
  

   nasals 
  203 
  (21*0) 
  ; 
  diastema 
  15*1 
  (14*6) 
  ; 
  upper 
  molar 
  series 
  

   including 
  jom^ 
  16*2 
  (151). 
  

  

  Specimens 
  e.vamined. 
  — 
  Nine, 
  all 
  from 
  the 
  type-locality. 
  

  

  Remarks. 
  — 
  The 
  series 
  is 
  remarkably 
  constant 
  in 
  the 
  

   characters 
  above 
  noted, 
  and 
  can 
  be 
  separated 
  at 
  a 
  glance 
  

   from 
  the 
  southern 
  peninsular 
  form 
  by 
  the 
  greater 
  extent 
  of 
  

   the 
  black 
  areas 
  and 
  by 
  the 
  marked 
  black 
  tips 
  to 
  the 
  hairs 
  

   of 
  the 
  back. 
  

  

  Sciurus 
  erythraus 
  young} 
  , 
  subsp. 
  n. 
  

  

  Ttjpe.— 
  Adu\t 
  male 
  (skin 
  and 
  skull). 
  No. 
  1823/11, 
  Fede- 
  

   rated 
  Malay 
  States 
  Museum, 
  collected 
  on 
  Gunong 
  Tahan, 
  

   5-6000 
  ft., 
  Northern 
  Pahang, 
  by 
  H. 
  C. 
  Robinson 
  and 
  C. 
  45. 
  

   Kloss, 
  July 
  19th, 
  1911. 
  Original 
  no. 
  4428. 
  

  

  Characters. 
  — 
  Allied 
  to 
  Sc. 
  rubecvlns, 
  Miller 
  f, 
  but 
  some- 
  

   what 
  smaller 
  and 
  duller 
  in 
  colour, 
  the 
  head 
  and 
  tail 
  lacking 
  

   the 
  golden-orange 
  suffusion 
  so 
  conspicuous 
  in 
  that 
  race 
  

   (metatype 
  examined). 
  

  

  Colours. 
  — 
  Whole 
  upper 
  surface, 
  chin, 
  throat, 
  chest, 
  and 
  

   narrow 
  median 
  ventral 
  line 
  from 
  chest 
  to 
  vent 
  grizzled 
  

   black 
  and 
  buff', 
  giving 
  an 
  olivaceous 
  effect; 
  a 
  smaller 
  pio- 
  

   portion 
  of 
  black 
  in 
  the 
  grizzling 
  of 
  the 
  under 
  surface. 
  Hands 
  

   and 
  feet 
  blackish, 
  only 
  slightly 
  grizzled 
  witli 
  buff; 
  upper 
  

   part 
  of 
  the 
  ears 
  clad 
  with 
  ocbraceous 
  hairs 
  ; 
  basal 
  portion 
  of 
  

   tail 
  above 
  like 
  the 
  back, 
  but 
  more 
  coarsely 
  grizzled, 
  rest 
  

   of 
  the 
  tail 
  distinctly 
  annulated 
  with 
  black 
  and 
  ochreous 
  buff, 
  

   the 
  hairs 
  with 
  broad 
  orange-buff 
  tips. 
  Under 
  surface 
  rufous 
  

   chestnut. 
  

  

  * 
  Measurements 
  in 
  paventhepes 
  are 
  those 
  of 
  an 
  adult 
  male 
  Pefinaiafa 
  

   nitida 
  melanotus 
  from 
  Dusuo 
  Tua, 
  8elangor, 
  Federated 
  Malay 
  States 
  

   Museum, 
  No. 
  1259/08. 
  

  

  t 
  Smithsonian 
  Misc. 
  Coll. 
  1.-), 
  p. 
  L'2 
  (I'JOC). 
  

  

  