﻿362 
  LASIOPYGA 
  

  

  of 
  limbs, 
  white 
  in 
  one, 
  and 
  black 
  and 
  gray 
  speckled 
  in 
  the 
  other 
  : 
  the 
  

   long 
  white 
  and 
  red 
  hairs 
  on 
  inner 
  side 
  of 
  thighs, 
  absent 
  in 
  L. 
  kolbi, 
  

   and 
  the 
  long 
  white 
  tufts 
  on 
  ears 
  of 
  present 
  species. 
  The 
  skull 
  of 
  

   L. 
  albitorquata 
  being 
  in 
  the 
  specimen, 
  no 
  comparison 
  could 
  be 
  made 
  

   between 
  it 
  and 
  that 
  of 
  the 
  present 
  species. 
  

  

  Lasiopyga 
  kolbi 
  nubila 
  (Dollman). 
  

  

  Cercopithecus 
  kolbi 
  nubilus 
  Dollman, 
  x\nn. 
  Mag. 
  Nat. 
  Hist., 
  8th 
  

   Ser., 
  V, 
  1910, 
  p. 
  202. 
  

  

  Type 
  locality. 
  Nairobi 
  forest, 
  British 
  East 
  Africa. 
  Type 
  in 
  

   British 
  Museum. 
  

  

  Genl. 
  Char. 
  Like 
  L. 
  kolbi, 
  but 
  smaller 
  and 
  duller 
  in 
  color 
  on 
  

   upper 
  parts, 
  and 
  under 
  parts 
  grayish 
  white. 
  

  

  Color. 
  Between 
  shoulders 
  black 
  speckled 
  with 
  greenish 
  buff; 
  

   lower 
  back 
  and 
  rump 
  yellowish 
  brown; 
  cheeks 
  and 
  sides 
  of 
  head 
  

   grayish 
  black 
  with 
  a 
  buff 
  tinge; 
  ear 
  tufts 
  white; 
  white 
  collar 
  about 
  

   neck 
  ; 
  under 
  parts 
  gray 
  speckled 
  with 
  silver 
  gray 
  ; 
  indistinct 
  white 
  band 
  

   across 
  chest; 
  outer 
  surface 
  of 
  limbs 
  brownish 
  black, 
  gray 
  speckled; 
  

   hands 
  and 
  feet 
  brownish 
  black. 
  Tail 
  like 
  that 
  of 
  L. 
  kolbi, 
  but 
  the 
  

   buff 
  color 
  extends 
  on 
  basal 
  portion 
  a 
  few 
  inches 
  only. 
  

  

  Measurements. 
  Total 
  length, 
  1,270; 
  tail, 
  650; 
  foot, 
  121; 
  ear, 
  27. 
  

   Skull: 
  greatest 
  length, 
  70; 
  Hensel, 
  63.4; 
  zygomatic 
  width, 
  64; 
  width 
  

   across 
  orbits, 
  (fronto-jugal 
  suture), 
  53; 
  width 
  of 
  orbit, 
  24; 
  width 
  of 
  

   braincase, 
  54; 
  median 
  length 
  of 
  nasals, 
  12; 
  palatal 
  length, 
  30; 
  length 
  

   of 
  upper 
  molar 
  series, 
  25. 
  

  

  The 
  type 
  of 
  this 
  species 
  is 
  one 
  of 
  the 
  few 
  I 
  have 
  not 
  seen, 
  the 
  

   animal 
  having 
  been 
  described 
  after 
  I 
  had 
  left 
  England. 
  

  

  Lasiopyga 
  kolbi 
  hindei 
  (Pocock). 
  

  

  Cercopithecus 
  kolbi 
  hindei 
  Pocock, 
  Proc. 
  Zool. 
  Soc. 
  Lond., 
  1907, 
  

   p. 
  703, 
  pi. 
  XXXIX, 
  fig. 
  3. 
  

  

  Type 
  locality. 
  Tutla, 
  Kenia 
  district. 
  Altitude 
  8,000 
  feet. 
  Type 
  

   in 
  British 
  Museum. 
  

  

  Geogr. 
  Distr. 
  Tutla, 
  Kenia 
  district, 
  and 
  Lake 
  Naivasha, 
  British 
  

   East 
  Africa. 
  

  

  Genl. 
  Char. 
  Head 
  and 
  cheeks 
  tinged 
  with 
  reddish 
  yellow; 
  ear 
  

   tufts 
  yellowish, 
  annulated 
  ; 
  lumbar 
  and 
  sacral 
  regions 
  rusty 
  red 
  ; 
  sides 
  

   of 
  body 
  yellow 
  speckled. 
  

  

  Color. 
  Fore 
  part 
  of 
  head, 
  hairs 
  banded 
  with 
  black 
  and 
  ochra- 
  

   ceous; 
  long, 
  stiff, 
  black 
  hairs 
  standing 
  upward 
  and 
  outward 
  from 
  

  

  