﻿LASIOPYGA 
  369 
  

  

  hairs; 
  top 
  of 
  head 
  black 
  speckled 
  with 
  buff; 
  cheeks 
  and 
  sides 
  of 
  head 
  

   speckled 
  with 
  white 
  and 
  black; 
  upper 
  part 
  of 
  back 
  grayish 
  white 
  

   speckled 
  black 
  and 
  white, 
  darker 
  than 
  cheeks 
  ; 
  rest 
  of 
  upper 
  parts 
  

   reddish 
  chestnut, 
  the 
  edges 
  towards 
  thighs 
  lighter, 
  a 
  pale 
  ochraceous 
  

   rufous; 
  flanks 
  paler 
  than 
  upper 
  back 
  speckled 
  with 
  gray 
  and 
  black; 
  

   shoulders 
  and 
  outer 
  side 
  of 
  arms 
  above 
  elbow, 
  and 
  entire 
  forearms 
  

   and 
  hands, 
  black; 
  inner 
  side 
  of 
  arms 
  above 
  elbows, 
  gray; 
  chin 
  and 
  

   throat 
  soiled 
  white; 
  entire 
  under 
  parts 
  and 
  inner 
  side 
  of 
  thighs 
  gray, 
  

   speckled 
  with 
  black 
  ; 
  legs 
  gray, 
  white 
  speckled 
  ; 
  feet 
  black 
  ; 
  tail 
  iron 
  

   gray 
  at 
  base, 
  some 
  reddish 
  hairs 
  at 
  root, 
  remainder 
  jet 
  black; 
  ears 
  

   with 
  yellowish 
  white 
  tufts. 
  

  

  Measurements. 
  Total 
  length, 
  1,520; 
  tail, 
  770; 
  foot, 
  160. 
  Skull: 
  

   total 
  length, 
  120; 
  occipito-nasal 
  length, 
  98.6; 
  intertemporal 
  width, 
  

   43.2 
  ; 
  Hensel, 
  82.5 
  ; 
  zygomatic 
  width, 
  79.5 
  ; 
  width 
  of 
  braincase, 
  58.9 
  ; 
  

   median 
  length 
  of 
  nasals, 
  19.6; 
  palatal 
  length, 
  43.5; 
  length 
  of 
  upper 
  

   molar 
  series, 
  27.1; 
  length 
  of 
  upper 
  canines, 
  16.5; 
  length 
  of 
  mandible, 
  

   86.5; 
  length 
  of 
  lower 
  molar 
  series, 
  31.6. 
  

  

  Lasiopyga 
  Francesco 
  (Thomas). 
  

  

  Cercopithecus 
  francescce 
  Thos., 
  Ann. 
  Mag. 
  Nat. 
  Hist., 
  X, 
  1902, 
  

   7th 
  Sen, 
  p. 
  243; 
  Pocock, 
  Proc. 
  Zool. 
  Soc. 
  Lond., 
  II, 
  1907, 
  

   p. 
  706. 
  

  

  Type 
  locality. 
  Near 
  Mt. 
  Waller, 
  western 
  side 
  of 
  Lake 
  Nyassa, 
  

   high 
  plateau. 
  Type 
  in 
  British 
  Museum. 
  

  

  Genl. 
  Char. 
  Similar 
  to 
  L. 
  preussi 
  ; 
  color 
  of 
  body 
  darker 
  and 
  

   grayer. 
  

  

  Color. 
  Head, 
  nape, 
  shoulders, 
  flanks 
  and 
  hips, 
  dark 
  blackish 
  gray 
  

   finely 
  grizzled 
  with 
  whitish 
  ; 
  hairs 
  along 
  back 
  dark 
  slaty 
  gray 
  at 
  base, 
  

   then 
  narrowly 
  ringed 
  with 
  yellow, 
  and 
  banded 
  with 
  black 
  and 
  white 
  ; 
  

   inner 
  border 
  of 
  ears 
  bright 
  reddish 
  ; 
  neck 
  patch 
  white, 
  illy 
  defined 
  ; 
  

   elbows 
  and 
  knees 
  black 
  above 
  ; 
  under 
  parts 
  dark 
  gray 
  with 
  a 
  few 
  white 
  

   rings 
  ; 
  tail 
  like 
  back 
  at 
  base, 
  remainder 
  dull 
  black, 
  speckled 
  a 
  short 
  

   distance 
  from 
  root 
  with 
  white. 
  Ex 
  type 
  British 
  Museum. 
  

  

  Measurements. 
  Type. 
  Total 
  length, 
  1,070; 
  tail, 
  620. 
  Xo 
  skull. 
  

  

  The 
  type 
  is 
  an 
  imperfect 
  skin 
  without 
  skull 
  or 
  limbs 
  below 
  elbows 
  

   and 
  knees. 
  It 
  resembles 
  somewhat 
  L. 
  preussi, 
  but 
  is 
  blacker 
  on 
  head, 
  

   neck 
  and 
  shoulders, 
  much 
  paler 
  on 
  under 
  parts, 
  and 
  lower 
  back 
  inclin- 
  

   ing 
  more 
  to 
  yellow 
  than 
  red, 
  quite 
  a 
  different 
  coloring 
  from 
  L. 
  preussi. 
  

   The 
  habitats 
  of 
  the 
  two 
  species 
  are 
  widely 
  separated 
  by 
  the 
  extent 
  of 
  a 
  

   continent. 
  Lake 
  Nyassa, 
  and 
  Cameroon. 
  

  

  