﻿LASIOPYGA 
  27S 
  

  

  GENUS 
  Vin. 
  LASIOPYGA. 
  THE 
  GUENONS. 
  

  

  T 
  ?=? 
  n 
  — 
  p 
  ?=? 
  im 
  3 
  ~~ 
  3 
  — 
  

  

  ♦LASIOPYGA 
  Illig., 
  Prodr. 
  Syst. 
  Mamm. 
  et 
  Avium, 
  1811, 
  p. 
  68. 
  

  

  Type 
  Simla 
  nictitans 
  Linnaeus. 
  

   Cebus 
  Rafin., 
  Analyse 
  de 
  la 
  Nature, 
  1815, 
  p. 
  53, 
  (nee 
  Erxl.). 
  

   Monichus 
  Oken, 
  Lehrb. 
  Naturg., 
  3te 
  Theil, 
  Zool., 
  2te 
  Abeth., 
  1816, 
  

  

  pp. 
  XI, 
  1208-1211. 
  

   2Ethlops 
  Martin, 
  Gen. 
  Introd. 
  Nat. 
  Hist. 
  Mammif. 
  Anim., 
  1841, 
  

  

  p. 
  506. 
  

   Petaurista 
  Reichenb., 
  Vollstand. 
  Naturg. 
  AfTen, 
  1862, 
  p. 
  105, 
  pi. 
  

  

  XVIII, 
  figs. 
  251-261, 
  (nee 
  Link, 
  1795, 
  Glires; 
  nee 
  Desmarest, 
  

  

  1820,-Marsupialia). 
  

   Diademia 
  Reichenb., 
  Vollstand. 
  Naturg. 
  AfTen, 
  1862, 
  p. 
  109, 
  pis. 
  

  

  XVIII, 
  XIX, 
  figs. 
  262-270, 
  (nee 
  Schumacher, 
  1817, 
  Crus- 
  

   tacea). 
  

  

  Mona 
  Reichenb., 
  Vollstand. 
  Naturg. 
  Affen, 
  1862, 
  p. 
  109, 
  pis. 
  

  

  XIX, 
  XX, 
  figs. 
  271-282. 
  

  

  Chlorocebus 
  Gray, 
  Cat. 
  Monkeys, 
  Lemurs 
  and 
  Fruit-eating 
  Bats, 
  

  

  Brit. 
  Mus., 
  1870, 
  p. 
  24. 
  

   Cynocebus 
  Gray, 
  Cat. 
  Monkeys, 
  Lemurs 
  and 
  Fruit-eating 
  Bats, 
  

  

  Brit. 
  Mus., 
  1870, 
  p. 
  27. 
  

   Diana 
  Trouess., 
  Rev. 
  Mag. 
  Zool., 
  VI, 
  3me 
  Ser., 
  1878, 
  p. 
  124, 
  (nee 
  

  

  Risso, 
  Pisces, 
  1826). 
  

   Rhinostictus 
  Trouess., 
  Cat. 
  Mamm. 
  Viv. 
  et 
  Foss., 
  I, 
  1897, 
  p. 
  17. 
  

   Otopithecus 
  Trouess., 
  Cat. 
  Mamm. 
  Viv. 
  et 
  Foss., 
  I, 
  1897, 
  p. 
  20. 
  

   Pogonocebus 
  Trouess., 
  Cat. 
  Mamm. 
  Viv. 
  et 
  Foss., 
  Suppl., 
  Pt. 
  I, 
  

  

  1904, 
  p. 
  14. 
  

  

  Body 
  slender; 
  legs 
  and 
  tail 
  long; 
  head 
  round, 
  face 
  short; 
  cheek 
  

   pouches 
  large; 
  nose 
  moderate, 
  nostrils 
  approximate; 
  whiskers 
  and 
  

   beard 
  usually 
  present 
  ; 
  callosities 
  moderate 
  ; 
  hands 
  elongate, 
  fingers 
  

   webbed 
  at 
  base, 
  thumb 
  small. 
  Skull 
  flat, 
  superciliary 
  ridge 
  much 
  less 
  

   prominent 
  than 
  in 
  the 
  species 
  of 
  Pithecus; 
  orbits 
  approximate; 
  pos- 
  

  

  ♦Lasiopyga 
  had 
  two 
  species 
  of 
  different 
  genera 
  Simia 
  nem^us 
  Linn., 
  and 
  

   Simla 
  nictitans 
  Linn. 
  In 
  1812, 
  a 
  year 
  after 
  Illiger 
  proposed 
  it, 
  E. 
  Geoffroy 
  

   took 
  nem^eus 
  as 
  the 
  type 
  of 
  his 
  genus 
  Pygathrix, 
  thus 
  antedating 
  Prcsbytis 
  

   Escholtz, 
  by 
  nine 
  years, 
  and 
  leaving 
  nictitans 
  as 
  the 
  type 
  of 
  Lasiopyga. 
  

  

  