﻿LASIOPYGA 
  351 
  

  

  Lasiopyga 
  denti 
  (Thomas). 
  

  

  Cercopithecus 
  denti 
  Thos., 
  Proc. 
  Zool. 
  Soc. 
  Lond., 
  1907, 
  p. 
  2, 
  

   pi. 
  I; 
  Pocock, 
  Proc. 
  Zool. 
  Soc. 
  Lond., 
  II, 
  1907, 
  p. 
  711. 
  

  

  Type 
  locality. 
  Ituri 
  forest 
  between 
  Mawambi 
  and 
  Avakubi, 
  Upper 
  

   Congo, 
  (R. 
  E. 
  Dent). 
  Type 
  in 
  British 
  Museum. 
  

  

  Color. 
  Similar 
  to 
  L. 
  mona, 
  but 
  darker 
  above 
  ; 
  brow 
  band 
  white 
  

   annulated 
  with 
  black 
  ; 
  top 
  and 
  sides 
  of 
  head 
  in 
  front 
  of 
  ears, 
  shoulders 
  

   and 
  hind 
  neck 
  speckled 
  greenish 
  yellow 
  and 
  black; 
  cheeks 
  pale 
  buff 
  

   yellow 
  ; 
  entire 
  upper 
  parts 
  and 
  flanks 
  speckled 
  burnt 
  sienna 
  and 
  black 
  ; 
  

   outer 
  side 
  of 
  legs 
  similar 
  but 
  lighter; 
  outer 
  side 
  of 
  arms 
  black, 
  

   speckled 
  with 
  yellowish 
  to 
  elbows; 
  hands 
  and 
  feet 
  black; 
  sides 
  of 
  

   neck 
  grayish 
  white 
  speckled 
  with 
  yellow 
  and 
  black; 
  tufts 
  of 
  black 
  

   hairs 
  at 
  corner 
  of 
  eyes; 
  entire 
  under 
  parts, 
  and 
  inner 
  side 
  of 
  limbs 
  

   yellowish 
  white; 
  no 
  white 
  patch 
  on 
  side 
  of 
  callosities; 
  tail, 
  at 
  base 
  

   black 
  speckled 
  with 
  burnt 
  sienna, 
  then 
  greenish 
  gray 
  grading 
  into 
  black 
  

   on 
  apical 
  portion, 
  beneath 
  yellowish 
  gray 
  to 
  apical 
  portion 
  which 
  is 
  

   black 
  above 
  and 
  below; 
  ears 
  with 
  white 
  tufts. 
  Ex 
  type 
  British 
  

   Museum. 
  

  

  Measurements. 
  Total 
  length, 
  1,351; 
  tail, 
  850; 
  foot, 
  155; 
  ear, 
  40, 
  

   (Collector). 
  Skull: 
  total 
  length, 
  105.2; 
  occipito-nasal 
  length, 
  87.5; 
  

   intertemporal 
  width, 
  42.9 
  ; 
  Hensel, 
  72.8 
  ; 
  zygomatic 
  width, 
  70.5 
  ; 
  width 
  

   of 
  braincase, 
  55 
  ; 
  median 
  length 
  of 
  nasals, 
  16.9 
  ; 
  palatal 
  length, 
  34.4 
  ; 
  

   length 
  of 
  upper 
  molar 
  series, 
  22.1; 
  length 
  of 
  upper 
  canines, 
  21.5; 
  

   length 
  of 
  mandible, 
  68.5; 
  length 
  of 
  lower 
  molar 
  series, 
  38.1. 
  Ex 
  type 
  

   British 
  Museum. 
  

  

  While 
  resembling 
  L. 
  mona 
  in 
  general 
  pattern 
  of 
  coloring, 
  the 
  

   present 
  species 
  is 
  much 
  darker 
  ; 
  the 
  space 
  between 
  shoulders 
  is 
  not 
  like 
  

   the 
  back, 
  but 
  more 
  like 
  the 
  head 
  though 
  much 
  darker, 
  and 
  the 
  tail 
  

   between 
  the 
  base 
  and 
  tip 
  is 
  much 
  lighter 
  and 
  grayer. 
  

  

  Lasiopyga 
  wolfi 
  (Meyer). 
  

  

  Cercopithecus 
  wolfi 
  Meyer, 
  Notes 
  Leyd. 
  Mus., 
  XIII, 
  1891, 
  p. 
  63; 
  

   Id. 
  Proc. 
  Zool. 
  Soc. 
  Lond., 
  1894, 
  p. 
  83, 
  pi. 
  VII 
  ; 
  Sclat., 
  Proc. 
  

   Zool. 
  Soc. 
  Lond., 
  1893, 
  p. 
  258; 
  Matschie, 
  Sitzungsb. 
  Gesell. 
  

   Naturf. 
  Freunde, 
  Berlin, 
  1893, 
  p. 
  216; 
  Forbes, 
  Handb. 
  Pri- 
  

   mates, 
  II, 
  1894, 
  p. 
  79; 
  Pocock, 
  Proc. 
  Zool. 
  Soc. 
  Lond., 
  II, 
  

   1907, 
  p. 
  711. 
  

  

  WOLF'S 
  GUENON. 
  

  

  Type 
  locality. 
  Unknown. 
  

  

  Geogr. 
  Distr. 
  French 
  Congo, 
  Brazzaville, 
  (Hamlyn) 
  ; 
  Batempas, 
  

   Sunkuru, 
  Congo, 
  West 
  Africa. 
  

  

  