﻿MAMMALS 
  OF 
  NORTHERN 
  COLOMBIA 
  — 
  ^HERSHKOVITZ 
  361 
  

  

  Distribution. 
  — 
  Between 
  the 
  Rios 
  Cauca 
  and 
  Magdalena, 
  department 
  

   of 
  Bolivar, 
  Colombia. 
  

  

  Characters. 
  — 
  Warmest 
  colored 
  of 
  the 
  races. 
  Cap 
  Front's 
  Brown; 
  

   median 
  dorsal 
  region, 
  forearm, 
  and 
  foreleg 
  with 
  reddish 
  contrasting 
  

   with 
  brownish 
  of 
  sides 
  of 
  body 
  ; 
  hairs 
  of 
  chest 
  and 
  belly 
  Mars 
  Orange 
  

   to 
  Hazel 
  and 
  silvery; 
  contrasting 
  pale 
  area 
  of 
  front 
  reduced 
  or 
  obso- 
  

   lete 
  on 
  shoulder. 
  

  

  Coloration 
  oj 
  holotype. 
  — 
  Sides 
  of 
  face 
  and 
  neck, 
  auricular 
  region 
  

   and 
  chin, 
  Cartridge 
  Buff; 
  Cap 
  Prout's 
  Brown; 
  median 
  dorsal 
  band 
  

   Sanford's 
  Brown 
  behind 
  nape 
  and 
  on 
  rump, 
  less 
  orangeous 
  in 
  middle 
  

   portion; 
  side 
  of 
  back 
  Ciunamon-Rufous, 
  lateral 
  fringe 
  Cinnamon- 
  

   Brown 
  lightly 
  washed 
  with 
  orangeous. 
  Chest 
  and 
  belly 
  Orange- 
  

   Rufous 
  to 
  Mars 
  Orange, 
  the 
  hairs 
  silvery 
  basally; 
  throat, 
  front 
  of 
  

   shoulder 
  buffy 
  becoming 
  orangeous 
  distally 
  to 
  grade 
  into 
  Mars 
  

   Orange 
  of 
  front 
  of 
  upper 
  arm; 
  outer 
  side 
  of 
  upper 
  arm 
  Cinnamon- 
  

   Brown 
  grading 
  into 
  Burnt 
  Sienna 
  of 
  forearm; 
  dorsal 
  surface 
  of 
  hand 
  

   darker, 
  fingers 
  with 
  reddish 
  hairs. 
  Thighs 
  Sanford's 
  Brown 
  in 
  front 
  

   and 
  behind, 
  rufous 
  laterally; 
  foreleg 
  uniformly 
  Burnt 
  Sienna, 
  upper 
  

   surface 
  of 
  foot 
  and 
  hairs 
  of 
  toes, 
  Auburn. 
  Upper 
  surface 
  of 
  tail 
  

   Burnt 
  Sienna 
  proximally, 
  becoming 
  Hazel 
  distally, 
  the 
  hairs 
  tipped 
  

   with 
  Cinnamon-Buff, 
  tail 
  terminally 
  nearly 
  uniformly 
  Cinnamon-Buff; 
  

   under 
  surface 
  of 
  tail 
  Cinnamon-Rufous 
  proximally, 
  becoming 
  Cinna- 
  

   mon-Buff 
  terminally. 
  

  

  Coloration 
  of 
  paratopotypes 
  (2 
  adult 
  males, 
  1 
  subadult 
  male, 
  1 
  

   female). 
  — 
  Males 
  like 
  holotype 
  but 
  with 
  greater 
  amount 
  of 
  Cinnamon- 
  

   Brown 
  on 
  forearm 
  and 
  foreleg. 
  One 
  male 
  with 
  Cinnamon-Brown 
  of 
  

   upper 
  arm 
  extending 
  distally 
  over 
  lateral 
  sm-face 
  of 
  lower 
  arm; 
  front 
  

   and 
  rear 
  surfaces 
  of 
  forearm 
  Burnt 
  Sienna; 
  upper 
  surface 
  of 
  hand 
  and 
  

   hairs 
  of 
  fingers 
  Auburn. 
  Other 
  adult 
  male 
  intermediate 
  in 
  distri- 
  

   bution 
  of 
  orange 
  and 
  brown 
  on 
  fore 
  and 
  hind 
  limbs, 
  with 
  hand 
  and 
  

   foot 
  darker, 
  belly 
  more 
  brown. 
  Tails 
  of 
  both 
  males 
  darker 
  than 
  in 
  

   holotype. 
  Female, 
  an 
  immature 
  with 
  first 
  four 
  molariform 
  teeth 
  

   deciduous. 
  Burnt 
  Sienna 
  on 
  lower 
  back, 
  forearm 
  and 
  foreleg, 
  becoming 
  

   darker, 
  to 
  Auburn, 
  on 
  wrist, 
  ankle, 
  upper 
  sm-face 
  of 
  hand 
  and 
  foot; 
  

   bail's 
  of 
  belly 
  Ochraceous-Tawny; 
  foreback, 
  cap, 
  and 
  tail 
  paler 
  than 
  

   in 
  the 
  males. 
  

  

  The 
  female 
  and 
  one 
  male 
  were 
  taken 
  May 
  29, 
  the 
  other 
  male 
  on 
  

   June 
  24. 
  These 
  dates 
  are 
  in 
  the 
  rainy 
  season, 
  which 
  was 
  unusually 
  

   heavy 
  in 
  1943. 
  Pelage 
  of 
  all 
  specimens, 
  including 
  holotype, 
  appears 
  

   to 
  be 
  new. 
  

  

  Rio 
  San 
  Pedro, 
  above 
  Norosi 
  (1 
  adult 
  male) 
  : 
  An 
  extremely 
  dark 
  

   reddish 
  brown 
  individual 
  in 
  prime 
  pelage 
  that 
  may 
  represent 
  a 
  dark 
  

   phase. 
  Cap 
  blackish 
  brown 
  ; 
  median 
  dorsal 
  region 
  between 
  Burnt 
  Sienna 
  

   and 
  Chestnut, 
  side 
  of 
  back 
  Auburn; 
  side, 
  lateral 
  fringe 
  and 
  outer 
  side 
  of 
  

   upper 
  arm 
  Prout's 
  Brown; 
  hairs 
  of 
  chest 
  and 
  belly 
  Orange-Rufous 
  to 
  

  

  