﻿384 
  Mr. 
  0. 
  Thomas 
  on 
  

  

  Skull 
  of 
  the 
  same 
  high 
  and 
  rather 
  narrow 
  shape 
  as 
  in 
  

   M. 
  calamorum 
  ; 
  upper 
  outline 
  rather 
  less 
  bowed. 
  Brain-case 
  

   high, 
  narrow, 
  its 
  anterior 
  angles 
  well 
  marked. 
  Palatal 
  

   Foramina 
  of 
  medium 
  length, 
  narrow. 
  Posterior 
  palatal 
  pits 
  

   well 
  marked. 
  Opening 
  of 
  posterior 
  nares 
  rounded. 
  

  

  Teeth 
  in 
  essential 
  structure 
  as 
  in 
  M. 
  calamorum, 
  but 
  rather 
  

   narrower, 
  ill 
  3 
  with 
  four 
  spaces 
  and 
  a 
  terminal 
  C, 
  four 
  inner 
  

   and 
  three 
  outer 
  angles. 
  M 
  x 
  with 
  six 
  closed 
  spaces 
  and 
  an 
  

   anterior 
  trefoil, 
  five 
  inner 
  and 
  three 
  outer 
  angles. 
  

  

  Dimensions 
  of 
  the 
  type 
  (measured 
  in 
  flesh) 
  : 
  — 
  

  

  Head 
  and 
  body 
  150 
  mm.; 
  tail 
  70; 
  hind 
  foot 
  (s. 
  u.) 
  23, 
  

   (c. 
  u.) 
  255. 
  

  

  Skull 
  : 
  upper 
  length 
  (tip 
  of 
  nasals 
  to 
  back 
  of 
  interparietal) 
  

   2 
  ( 
  J 
  ; 
  greatest 
  breadth 
  18 
  ; 
  nasals 
  9 
  x 
  4*1 
  ; 
  interorbital 
  

   breadth 
  4 
  ; 
  breadth 
  of 
  brain-case 
  13*3 
  ; 
  height 
  from 
  alveolus 
  

   of 
  wi 
  2 
  11 
  ; 
  palatilar 
  length 
  17 
  ; 
  palatal 
  foramina 
  5'6 
  ; 
  upper 
  

   molar 
  series 
  (crowns) 
  8*7. 
  

  

  Hah. 
  Ussuri 
  River, 
  E. 
  Siberia. 
  

  

  Type, 
  Adult. 
  B.M. 
  no. 
  91. 
  6. 
  29. 
  2. 
  Collected 
  by 
  Messrs. 
  

   Dorries 
  on 
  November 
  28, 
  1889. 
  

  

  This 
  fine 
  vole 
  is 
  distinguished 
  from 
  M. 
  calamorum 
  by 
  its 
  

   larger 
  size 
  and 
  longer 
  fur. 
  No 
  other 
  described 
  species 
  seems 
  

   to 
  be 
  nearly 
  related 
  to 
  it. 
  

  

  XLVI. 
  — 
  Three 
  new 
  Mammals 
  from 
  Dutch 
  New 
  Guinea. 
  

   By 
  Oldfield 
  Thomas. 
  

  

  (Published 
  by 
  permission 
  of 
  the 
  Trustees 
  of 
  the 
  British 
  Museum.) 
  

  

  The 
  collection 
  of 
  mammals 
  obtained 
  by 
  the 
  B.O.U. 
  Expe- 
  

   dition 
  to 
  New 
  Guinea 
  contains 
  several 
  species 
  new 
  to 
  the 
  

   Museum 
  and 
  the 
  following 
  three 
  new 
  to 
  science. 
  All 
  were 
  

   collected 
  in 
  the 
  low 
  country 
  near 
  the 
  coast, 
  south 
  of 
  the 
  

   Charles 
  Louis 
  Range 
  in 
  Dutch 
  New 
  Guinea, 
  and 
  are 
  pre- 
  

   sented 
  to 
  the 
  National 
  Museum 
  by 
  the 
  Subscribers 
  to 
  the 
  

   Expedition. 
  

  

  Emballonura 
  furax, 
  sp. 
  n. 
  

  

  A 
  very 
  large 
  species 
  with 
  greatly 
  expanded 
  muzzle. 
  

  

  Size 
  larger 
  than 
  in 
  any 
  described 
  species. 
  Fur 
  long, 
  close, 
  

   and 
  straight; 
  hairs 
  of 
  back 
  rather 
  over 
  7 
  mm. 
  in 
  length. 
  

   General 
  colour 
  above 
  uniform 
  rich 
  brown 
  (between 
  vandyke- 
  

   brown 
  and 
  burnt 
  umber), 
  the 
  hairs 
  rather 
  paler 
  basally. 
  

  

  