﻿230 
  Messrs. 
  H. 
  C. 
  E-obinson 
  and 
  C 
  B. 
  Kloss 
  on 
  

  

  Epimys 
  surifer 
  manicalis, 
  suhsp. 
  n. 
  

  

  Ti/z^e.— 
  Adult 
  male 
  (skin 
  and 
  skull), 
  No. 
  351/13, 
  Fede- 
  

   rated 
  Malay 
  States 
  Museum, 
  collected 
  on 
  Koh 
  Penuan, 
  

   N.E. 
  Malay 
  Peninsula, 
  27tli 
  May, 
  1913, 
  by 
  H. 
  C. 
  Robinson 
  

   and 
  E. 
  Seiraund. 
  Original 
  no. 
  546.2. 
  

  

  Characters. 
  — 
  Distinguished 
  from 
  all 
  the 
  other 
  local 
  rnces 
  

   by 
  having 
  the 
  white 
  area 
  of 
  the 
  under 
  surface 
  extending 
  

   over 
  the 
  upper 
  surface 
  of 
  the 
  forearms. 
  Tail 
  shorter 
  than 
  

   head 
  and 
  body. 
  

  

  Culovr. 
  — 
  Upper 
  surface 
  ochraceous, 
  darkened 
  on 
  the 
  

   back 
  and 
  rump 
  by 
  the 
  bistre 
  tijjs 
  to 
  the 
  spines. 
  Below 
  pale 
  

   creamy 
  Avhite, 
  this 
  colour 
  extending 
  over 
  the 
  upper 
  anterior 
  

   half 
  of 
  the 
  forearms. 
  No 
  tawny 
  neck-collar; 
  hands 
  and 
  

   feet 
  white 
  ; 
  tail 
  bicolor. 
  

  

  Skull 
  and 
  teeth. 
  — 
  As 
  in 
  E. 
  surifer 
  surifer, 
  the 
  muzzle 
  not 
  

   heavier 
  or 
  the 
  tooth-row 
  reduced 
  as 
  in 
  some 
  of 
  the 
  island 
  

   races. 
  

  

  Meas^irements. 
  — 
  Collectors' 
  external 
  measurements 
  (taken 
  

   in 
  the 
  flesh) 
  : 
  — 
  

  

  Head 
  and 
  body 
  176 
  ; 
  tail 
  1 
  73 
  ; 
  hind 
  foot 
  38 
  ; 
  ear 
  23-5. 
  

  

  Cranial 
  measurements 
  : 
  greatest 
  length 
  43*4 
  (4<6"0*) 
  mm.; 
  

   basal 
  length 
  36-9 
  (40-0) 
  : 
  length 
  of 
  nasals 
  17-6 
  (18-6); 
  

   greatest 
  breadth 
  of 
  nasals 
  4*5 
  (5'0) 
  ; 
  shortest 
  distance 
  

   between 
  tips 
  of 
  nasals 
  and 
  lachrymal 
  notch 
  18'0 
  ( 
  — 
  ) 
  ; 
  

   palatal 
  length 
  18-6 
  (19-0) 
  ; 
  diastema 
  11-9 
  (13-4) 
  ; 
  length 
  of 
  

   palatal 
  foramina 
  63 
  (7"4) 
  ; 
  breadth 
  of 
  combined 
  palatal 
  

   foramina 
  3 
  5 
  (3'0) 
  ; 
  zygomatic 
  breadth 
  19'1 
  (i9'8) 
  ; 
  cranial 
  

   breadth 
  15 
  I 
  (16"0) 
  ; 
  upper 
  molar 
  rove 
  Q'7 
  (7'0). 
  

  

  Specime7is 
  examined. 
  — 
  Twenty, 
  all 
  from 
  the 
  type-locality. 
  

  

  Remarks. 
  — 
  A 
  medium-sized 
  race 
  of 
  E. 
  surifer 
  witli 
  narrow 
  

   nasals 
  and 
  with 
  the 
  white 
  on 
  the 
  uiiper 
  surface 
  of 
  the 
  fore- 
  

   arms 
  more 
  extensive 
  than 
  in 
  any 
  other 
  form. 
  

  

  Epimys 
  surifer 
  spurcus, 
  subsp. 
  n. 
  

  

  Type.— 
  Adult 
  male 
  (skin 
  and 
  skull), 
  No. 
  288/13, 
  Fede- 
  

   rated 
  Malay 
  States 
  Museum, 
  collected 
  on 
  Koh 
  Samui, 
  

   N.E. 
  Malay 
  Peninsula, 
  14th 
  May, 
  1913, 
  by 
  H. 
  C. 
  Robinson 
  

   and 
  E. 
  Seimund. 
  Original 
  no. 
  5352. 
  

  

  Characters. 
  — 
  Like 
  E. 
  s. 
  jiavidulus 
  from 
  Langkawi, 
  but 
  

   with 
  the 
  tail 
  relatively 
  and 
  absolutely 
  longer. 
  

  

  Colour. 
  — 
  Ilesenibles 
  that 
  of 
  the 
  preceding 
  race, 
  but 
  the 
  

   white 
  on 
  the 
  forearm 
  reduced 
  to 
  a 
  mere 
  band. 
  

  

  * 
  Measurements 
  in 
  parentlieses 
  are 
  those 
  of 
  an 
  adult 
  male 
  Mus 
  

   surifer 
  surifer 
  (type) 
  from 
  Trang, 
  Siamese 
  Malay 
  States 
  ; 
  United 
  States 
  

   ^National 
  Museum, 
  No. 
  86,746. 
  

  

  