﻿LASIOPYGA 
  315 
  

  

  skull. 
  The 
  last 
  molar 
  has 
  not 
  yet 
  been 
  produced 
  in 
  either 
  jaw, 
  so 
  the 
  

   length 
  of 
  the 
  tooth 
  rows 
  could 
  not 
  be 
  given. 
  

  

  Lasiopyga 
  pbjnceps 
  (Elliot). 
  

  

  Cercopithecus 
  stuhlmanni 
  (nee 
  Matschie), 
  Pocock, 
  Proc. 
  Zool. 
  

   Soc. 
  Lond., 
  1907, 
  p. 
  690, 
  pi. 
  XXXIX, 
  fig. 
  2. 
  

  

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

   1909, 
  p. 
  304. 
  

  

  Type 
  locality. 
  Mpanga 
  forest, 
  west 
  and 
  south 
  of 
  Lake 
  Albert, 
  

   East 
  Africa. 
  Type 
  in 
  British 
  Museum. 
  

  

  Geogr. 
  Distr. 
  Mpanga 
  forest, 
  and 
  Mount 
  Ruwenzori, 
  5,000 
  feet 
  

   elevation, 
  East 
  Africa. 
  

  

  Color. 
  Forehead, 
  sides 
  of 
  face 
  and 
  head, 
  (extending 
  on 
  to 
  sides 
  

   of 
  throat), 
  speckled 
  black 
  and 
  white; 
  top 
  of 
  head, 
  nape, 
  hind 
  neck, 
  

   space 
  between 
  shoulders, 
  arms, 
  hands 
  and 
  feet, 
  jet 
  black; 
  upper 
  parts 
  

   and 
  sides 
  of 
  body 
  speckled 
  black 
  and 
  white 
  ; 
  legs 
  black 
  faintly 
  speckled 
  

   with 
  white 
  on 
  thighs, 
  and 
  very 
  slightly 
  so 
  on 
  legs 
  beneath 
  knees 
  ; 
  chin 
  

   and 
  throat 
  pure 
  white; 
  a 
  conspicuous 
  black 
  band 
  across 
  breast 
  below 
  

   throat, 
  rest 
  of 
  under 
  parts 
  iron 
  gray, 
  the 
  hairs 
  being 
  much 
  less 
  

   speckled 
  with 
  white 
  than 
  on 
  the 
  upper 
  parts, 
  the 
  general 
  tone 
  more 
  

   grayish; 
  tail 
  speckled 
  black 
  and 
  gray 
  on 
  basal 
  half, 
  darker 
  than 
  the 
  

   back, 
  remainder 
  jet 
  black 
  to 
  tip 
  ; 
  ears 
  with 
  a 
  few 
  white 
  hairs 
  on 
  top 
  ; 
  

   face 
  slate 
  color; 
  upper 
  lip 
  covered 
  with 
  short 
  white 
  hairs. 
  Ex 
  type 
  

   British 
  Museum. 
  

  

  Measurements. 
  Total 
  length, 
  1,530; 
  tail, 
  915; 
  foot, 
  165; 
  ear, 
  50, 
  

   (Collector). 
  Skull: 
  total 
  length, 
  113.5; 
  occipito-nasal 
  length, 
  88; 
  

   Hensel, 
  78.7 
  ; 
  zygomatic 
  width, 
  76.2 
  ; 
  intertemporal 
  width, 
  42.6 
  ; 
  width 
  

   of 
  braincase, 
  56.2; 
  median 
  length 
  of 
  nasals, 
  17.7; 
  palatal 
  length, 
  39.1; 
  

   length 
  of 
  upper 
  molar 
  series, 
  25.1 
  ; 
  length 
  of 
  mandible, 
  77.2; 
  length 
  of 
  

   lower 
  molar 
  series, 
  31.1 
  ; 
  length 
  of 
  upper 
  canines, 
  25.9. 
  Ex 
  type 
  

   British 
  Museum. 
  

  

  This 
  species 
  differs 
  from 
  L. 
  stuhlmanni 
  Matschie, 
  in 
  having 
  a 
  

   black 
  band 
  across 
  the 
  breast, 
  in 
  the 
  uniform 
  black 
  on 
  upper 
  back 
  and 
  

   hind 
  neck, 
  and 
  in 
  the 
  blacker 
  legs 
  ; 
  and 
  from 
  L. 
  carruthersi 
  in 
  having 
  

   the 
  space 
  between 
  shoulders 
  jet 
  black, 
  this 
  part 
  being 
  speckled 
  with 
  

   white 
  in 
  that 
  species. 
  

  

  Lasiopyga 
  carruthersi 
  (Pocock). 
  

  

  Cercopithecus 
  stuhlmanni 
  carruthersi 
  Pocock, 
  Proc. 
  Zool. 
  Soc. 
  

   Lond., 
  1907, 
  p. 
  691. 
  

  

  