﻿CEBUS 
  71 
  

  

  divides 
  his 
  examples 
  into 
  three 
  varieties 
  or 
  groups: 
  a. 
  

   "Individus 
  a 
  pelage 
  ordinaire, 
  sans 
  pinceau" 
  and 
  group 
  b. 
  

   comprising 
  "Individus 
  semblables 
  au 
  precedents, 
  mais 
  avec 
  

   pinceau"; 
  c. 
  "Individus 
  a 
  couleurs 
  semblablement 
  disposees, 
  

   mais 
  plus 
  pale." 
  These 
  last 
  are 
  those 
  which 
  died 
  in 
  the 
  Men- 
  

   agerie, 
  and 
  whose 
  color 
  has 
  been 
  affected 
  by 
  captivity. 
  Of 
  

   course 
  group 
  b. 
  for 
  which 
  is 
  cited 
  C. 
  fatuellus 
  (Linn.), 
  is 
  

   quite 
  distinct 
  specifically 
  from 
  any 
  form 
  of 
  C. 
  apella 
  (Linn.) 
  ; 
  

   C. 
  robustus 
  Kuhl, 
  = 
  C. 
  variegatus 
  (E. 
  Geoff.) 
  ; 
  C. 
  variegatus 
  

   (E. 
  Geoff.) 
  ; 
  C. 
  cirrifer 
  (Humb.) 
  ; 
  C. 
  vellerosus 
  first 
  

   described; 
  C. 
  frontatus 
  Kuhl; 
  C. 
  elegans 
  I. 
  Geoff.; 
  C. 
  

   azarje 
  Rengg. 
  ; 
  C. 
  barbatus 
  E. 
  Geoff., 
  = 
  C. 
  flavus 
  E. 
  Geoff. 
  ; 
  

   C. 
  flavus 
  E. 
  Geoff.; 
  C. 
  capucinus 
  E. 
  Geoff., 
  = 
  C. 
  apella 
  

   (Linn.); 
  C. 
  castaneus 
  Geoff., 
  first 
  described; 
  C. 
  versicolor 
  

   Pucher., 
  = 
  C. 
  albifrons 
  (Humb.) 
  ; 
  C. 
  chrysopus 
  F. 
  Cuv. 
  ; 
  C. 
  

   hypoleucus 
  (Humb.), 
  = 
  C. 
  capucinus 
  (Linn.). 
  

   1855. 
  Wagner, 
  Schreber, 
  Die 
  Saugthiere 
  in 
  Abbildungen 
  nach 
  der 
  

   Natur 
  mit 
  Beschreibungen. 
  Supplementband. 
  

   Ten 
  species 
  and 
  numerous 
  varieties 
  of 
  Cebus 
  are 
  here 
  recorded, 
  

   the 
  Author 
  evidently 
  experiencing 
  the 
  same 
  difficulty 
  in 
  dis- 
  

   tinguishing 
  the 
  specific 
  rank 
  of 
  his 
  specimens 
  as 
  was 
  exhibited 
  

   in 
  the 
  volume 
  published 
  in 
  1840. 
  He 
  commences 
  with 
  C. 
  

   azarje 
  Rengg.; 
  C. 
  fatuellus 
  (Linn.), 
  of 
  which 
  as 
  varieties 
  

   he 
  places 
  /?. 
  C. 
  robustus 
  Kuhl, 
  = 
  C. 
  variegatus 
  E. 
  Geoff. 
  ; 
  y. 
  

   Sajou 
  cornu 
  var. 
  a 
  moustaches 
  F. 
  Cuv., 
  = 
  C. 
  frontatus 
  Kuhl 
  ; 
  

   s. 
  C. 
  cristatus 
  F. 
  Cuv., 
  = 
  C. 
  cirrifer 
  (Humb.) 
  ; 
  «. 
  C. 
  apella 
  

   (Linn, 
  nee 
  Auct.). 
  He 
  then 
  cites 
  C. 
  elegans 
  I. 
  Geoff., 
  = 
  C. 
  

   azarje 
  Rengg.; 
  C. 
  libidinosus 
  Spix, 
  a 
  species 
  he 
  does 
  not 
  

   know, 
  and 
  cites 
  the 
  descriptions 
  ; 
  C. 
  capucinus 
  Geoff., 
  = 
  C. 
  

   apella 
  (Linn.) 
  ; 
  C. 
  olivaceus 
  Schomb., 
  = 
  C. 
  apella 
  (Linn.) 
  ; 
  

   C. 
  hypoleucus 
  Geoff., 
  = 
  C. 
  capucinus 
  (Linn.) 
  ; 
  C. 
  nigrivittatus 
  

   Natter., 
  *■ 
  C. 
  apella 
  (Linn.) 
  ; 
  C. 
  gracilis 
  Spix, 
  = 
  C. 
  albi- 
  

   frons 
  (Humb.) 
  ; 
  then 
  follow 
  three 
  species 
  unknown 
  to 
  him, 
  

   C. 
  albifrons 
  (Humb.) 
  ; 
  C. 
  flavus 
  E. 
  Geoff.; 
  and 
  C. 
  chry- 
  

   sopus 
  F. 
  Cuv.; 
  C. 
  versicolor 
  Pucher., 
  = 
  C. 
  albifrons 
  

   (Humb.) 
  ; 
  C. 
  xanthosternos 
  Max., 
  = 
  C. 
  variegatus 
  (E. 
  

   Geoff.) 
  ; 
  of 
  which 
  the 
  three 
  following 
  C. 
  xanthocephalus 
  Spix, 
  

   = 
  C. 
  variegatus 
  Geoff. 
  ; 
  C. 
  monachus 
  F. 
  Cuv., 
  = 
  C. 
  varie- 
  

   gatus 
  E. 
  Geoff. 
  ; 
  and 
  C. 
  cucullatus 
  Spix, 
  = 
  C. 
  variegatus 
  E. 
  

  

  