﻿LASIOPYGA 
  347 
  

  

  Measurements. 
  Total 
  length, 
  990; 
  tail, 
  570; 
  foot, 
  120; 
  ear, 
  28. 
  

   Skull: 
  total 
  length, 
  90.7; 
  occipito-nasal 
  length, 
  79.4; 
  Hensel, 
  60.3; 
  

   zygomatic 
  width, 
  61.1; 
  intertemporal 
  width, 
  43.6; 
  palatal 
  length, 
  31; 
  

   median 
  length 
  of 
  nasals, 
  .94 
  ; 
  length 
  of 
  upper 
  molar 
  series, 
  23.8 
  ; 
  length 
  

   of 
  mandible, 
  67; 
  length 
  of 
  lower 
  molar 
  series, 
  29.9. 
  Ex 
  type 
  United 
  

   States 
  National 
  Museum. 
  

  

  Similar 
  to 
  L. 
  c. 
  johnstoni, 
  but 
  under 
  parts 
  buff. 
  Two 
  specimens, 
  

   both 
  females, 
  immature, 
  in 
  United 
  States 
  National 
  Museum. 
  The 
  

   under 
  parts, 
  and 
  inner 
  side 
  of 
  limbs 
  of 
  these 
  examples 
  are 
  conspicu- 
  

   ously 
  buff, 
  strongly 
  contrasted 
  with 
  the 
  yellowish 
  white 
  of 
  L. 
  cen- 
  

   tralis, 
  or 
  grayish 
  white 
  of 
  L. 
  c. 
  johnstoni. 
  

  

  Lasiopyga 
  silacea 
  (Elliot). 
  

  

  Cercopithecus 
  silaceus 
  Elliot, 
  Ann. 
  Mag. 
  Nat. 
  Hist., 
  IV, 
  8th 
  Ser., 
  

   1909, 
  p. 
  263. 
  

  

  Type 
  locality. 
  East 
  bank 
  of 
  the 
  Loangwa 
  River, 
  Angoniland, 
  

   Northwest 
  Rhodesia. 
  Type 
  in 
  British 
  Museum. 
  

  

  Geogr. 
  Distr. 
  Loangwa 
  River 
  to 
  Angola, 
  West 
  Africa. 
  

  

  Genl. 
  Char. 
  General 
  hue 
  yellowish 
  green, 
  speckled 
  with 
  yellow 
  

   on 
  the 
  flanks 
  and 
  with 
  no 
  distinct 
  black 
  speckling. 
  

  

  Color. 
  Grayish 
  white 
  brow 
  band 
  over 
  eyes, 
  mixed 
  with 
  black 
  on 
  

   hairs 
  over 
  nose, 
  and 
  at 
  each 
  end 
  of 
  band 
  ; 
  hairs 
  on 
  head 
  standing 
  up- 
  

   right 
  on 
  front, 
  speckled 
  with 
  black 
  and 
  tawny, 
  the 
  latter 
  being 
  the 
  

   prevailing 
  color; 
  dorsal 
  region 
  from 
  nape 
  to 
  tail 
  speckled 
  black 
  and 
  

   buff 
  yellow, 
  the 
  back 
  being 
  equally 
  prominent 
  with 
  the 
  lighter 
  color, 
  

   especially 
  on 
  dorsal 
  line 
  from 
  between 
  shoulders 
  and 
  on 
  lower 
  back 
  

   and 
  rump, 
  making 
  these 
  parts 
  darker 
  ; 
  back 
  below 
  shoulders 
  on 
  either 
  

   side 
  of 
  the 
  dorsal 
  line, 
  and 
  flanks, 
  buff 
  yellow, 
  annulated 
  and 
  tipped 
  

   with 
  brownish 
  black, 
  the 
  lighter 
  color, 
  however, 
  predominating 
  to 
  the 
  

   extent 
  of 
  giving 
  all 
  these 
  parts 
  a 
  yellowish 
  appearance; 
  shoulders 
  

   darker 
  than 
  flanks, 
  but 
  not 
  so 
  dark 
  as 
  dorsal 
  line, 
  the 
  hairs 
  speckled 
  

   ochraceous 
  and 
  black; 
  outer 
  side 
  of 
  arms 
  and 
  legs 
  gray, 
  speckled 
  on 
  

   arms 
  above 
  elbows, 
  and 
  on 
  thighs 
  with 
  cream 
  color 
  and 
  black, 
  and 
  on 
  

   forearms 
  and 
  legs 
  below 
  knees, 
  with 
  black 
  and 
  white 
  ; 
  wrists 
  and 
  hands 
  

   black 
  speckled 
  with 
  white; 
  feet 
  gray 
  and 
  black 
  speckled, 
  toes 
  brown- 
  

   ish 
  black, 
  with 
  some 
  white 
  hairs 
  intermingled 
  ; 
  whiskers 
  long, 
  directed 
  

   backwards 
  hiding 
  the 
  ears, 
  cream 
  color 
  annulated 
  with 
  black; 
  face, 
  

   lips 
  and 
  chin 
  covered 
  with 
  short 
  brownish 
  black 
  hairs; 
  sides 
  of 
  neck, 
  

   throat, 
  inner 
  side 
  of 
  limbs, 
  and 
  entire 
  under 
  parts 
  white 
  ; 
  tail 
  above 
  

   for 
  three 
  fourths 
  the 
  length 
  speckled 
  cream 
  color 
  and 
  black, 
  rest 
  jet 
  

  

  