﻿CEBUS 
  77 
  

  

  From 
  Bolivia 
  C. 
  flavus 
  comes, 
  but 
  the 
  extent 
  of 
  its 
  range 
  is 
  unknown. 
  

   On 
  the 
  eastern 
  coast 
  of 
  Brazil, 
  from 
  Bahia 
  to 
  north 
  of 
  Rio 
  de 
  Janeiro, 
  C. 
  

   variegatus 
  occurs 
  ; 
  and 
  in 
  the 
  forests 
  of 
  the 
  Orinoco, 
  and 
  also 
  in 
  those 
  

   of 
  the 
  Amazon 
  with 
  its 
  tributaries 
  the 
  Rio 
  Negro, 
  Rio 
  TerTe, 
  Rio 
  

   Madeira 
  and 
  Rio 
  Japura, 
  and 
  in 
  the 
  Peruvian 
  Province 
  of 
  Mainas, 
  C. 
  

   albifrons 
  is 
  met 
  with. 
  In 
  the 
  forests 
  of 
  the 
  Rio 
  TefTe 
  C. 
  unicolor 
  

   has 
  been 
  procured 
  ; 
  and 
  west 
  of 
  the 
  mouth 
  of 
  the 
  Rio 
  Negro, 
  C. 
  macro- 
  

   cephalus 
  is 
  found. 
  In 
  the 
  Brazilian 
  Province 
  of 
  Minas 
  Geraes 
  in 
  the 
  

   western 
  part 
  of 
  the 
  Rio 
  Jordao 
  C. 
  versuta 
  dwells; 
  and 
  in 
  the 
  same 
  

   Province 
  in 
  the 
  forests 
  watered 
  by 
  the 
  Rio 
  Carinainha, 
  C. 
  libidinosus 
  

   occurs. 
  In 
  the 
  Province 
  of 
  Sao 
  Paulo, 
  three 
  species 
  have 
  been 
  

   observed: 
  C. 
  cirrifer 
  at 
  Ypanema, 
  south 
  to 
  New 
  Fribourg 
  between 
  

   the 
  Rio 
  Parahyba 
  and 
  Rio 
  de 
  Janeiro 
  ; 
  C. 
  caliginosus 
  in 
  the 
  vicinity 
  

   of 
  St. 
  Catarina, 
  and 
  C. 
  vellerosus 
  the 
  precise 
  locality 
  of 
  which 
  is 
  

   unknown. 
  In 
  the 
  Province 
  of 
  Paraguay, 
  the 
  most 
  southern 
  district 
  in 
  

   which 
  any 
  species 
  is 
  found, 
  C. 
  azarje 
  occurs, 
  extending 
  its 
  range 
  north 
  

   westward 
  into 
  Matto 
  Grosso 
  west 
  of 
  the 
  Rio 
  Parana, 
  and 
  according 
  to 
  

   Burmeister, 
  (1. 
  c.) 
  into 
  Bolivia. 
  On 
  the 
  Lower 
  Orinoco 
  near 
  La 
  Union, 
  

   and 
  at 
  Marino 
  on 
  the 
  Rio 
  Caura, 
  and 
  also 
  on 
  the 
  Rio 
  Mocho, 
  a 
  tributary 
  

   of 
  the 
  Upper 
  Rio 
  Caura 
  in 
  Venezuela, 
  C. 
  apiculatus 
  has 
  been 
  

   obtained. 
  On 
  the 
  Pacific 
  coast 
  in 
  Colombia, 
  locality 
  unknown, 
  C. 
  

   chrysopus 
  was 
  procured 
  ; 
  and 
  near 
  Bonda, 
  C. 
  malitiosus 
  was 
  found 
  ; 
  

   while 
  in 
  the 
  Cauca 
  Valley 
  C. 
  c. 
  nigripectus 
  was 
  taken 
  ; 
  and 
  in 
  the 
  moun- 
  

   tains 
  and 
  in 
  the 
  forests 
  of 
  the 
  Upper 
  Magdalena 
  at 
  an 
  elevation 
  of 
  

   from 
  5,000 
  to 
  7,000 
  feet, 
  C. 
  fatuellus 
  dwells. 
  Peru 
  has 
  C. 
  azarce 
  

   pallidus 
  taken 
  near 
  Santa 
  Anna, 
  and 
  in 
  the 
  Province 
  of 
  Cuzco; 
  and 
  

   near 
  Callanga, 
  C. 
  unicolor 
  cuscinus 
  was 
  obtained. 
  In 
  southeastern 
  

   Peru 
  near 
  Marcopata 
  in 
  the 
  Inambari 
  Valley 
  C. 
  fatuellus 
  peruana 
  

   is 
  found. 
  Two 
  species 
  remain 
  whose 
  habitat 
  is 
  as 
  yet 
  unknown: 
  C. 
  

   crassiceps, 
  supposed 
  to 
  come 
  from 
  the 
  Rio 
  Negro 
  forest, 
  and 
  C. 
  

   frontatus 
  which 
  may 
  possibly 
  occur 
  near 
  Ypanema 
  in 
  the 
  Province 
  

   of 
  Sao 
  Paulo, 
  Brazil. 
  

  

  KEY 
  TO 
  THE 
  SPECIES 
  AND 
  SUBSPECIES. 
  

  

  A. 
  Head 
  without 
  tufts 
  on 
  male, 
  

   a. 
  Arms 
  without 
  yellow. 
  

  

  a.' 
  Hairs 
  on 
  body 
  without 
  yellow. 
  

  

  a." 
  Crown 
  and 
  line 
  on 
  side 
  of 
  face 
  black, 
  

   sides 
  of 
  head 
  beneath 
  the 
  ears 
  

   yellowish 
  white 
  C. 
  apella. 
  

  

  