﻿372 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol.98 
  

  

  Humboldt, 
  was 
  regarded 
  as 
  very 
  similar 
  to 
  C. 
  apella 
  but 
  paler, 
  body 
  

   brown 
  mixed 
  with 
  yellow, 
  cap 
  triangular-shaped, 
  tufts 
  and 
  dark 
  

   facial 
  band 
  absent. 
  The 
  description 
  of 
  albifrons, 
  quoted 
  above, 
  is 
  

   clearly 
  that 
  of 
  a 
  different 
  species 
  and, 
  except 
  for 
  the 
  black-tipped 
  tail, 
  

   applies 
  to 
  micos 
  here 
  assigned 
  to 
  this 
  species. 
  

   Specimens 
  examined. 
  — 
  None. 
  

  

  CEBUS 
  ALBIFRONS 
  UNICOLOR 
  Spix 
  

   (C/. 
  p. 
  341 
  for 
  nomenclatorial 
  discussion) 
  

  

  Cebus 
  unicolor 
  Spix, 
  Simiarum 
  et 
  vespertilionum 
  Brasilicnsium, 
  p. 
  7, 
  pi. 
  4, 
  

   1823.— 
  Elliot, 
  A 
  review 
  of 
  the 
  Primates, 
  vol. 
  2, 
  p. 
  91, 
  1913. 
  — 
  Cabrera, 
  

   Rev. 
  Real 
  Acad. 
  Cienc, 
  Madrid, 
  vol. 
  16, 
  ser. 
  2, 
  p. 
  231, 
  1917. 
  — 
  Cruz 
  Lima, 
  

   Mammals 
  of 
  Amazonia, 
  Contrib. 
  Mus, 
  Paraense 
  Emilio 
  Goeldi 
  Hist. 
  JNat. 
  

   Etnogr. 
  (English 
  ed.), 
  p. 
  150, 
  1945 
  (no 
  distributional 
  records). 
  

  

  Cebus 
  gracilis 
  Spix, 
  Simiarum 
  et 
  vespertilionum 
  Brasiliensium, 
  p. 
  8, 
  pi. 
  5, 
  1823 
  

   (type 
  locality, 
  TeflF^). 
  

  

  Cebus 
  chnjsopus 
  Lesson, 
  Manuel 
  de 
  mammalogie, 
  p. 
  55, 
  1827 
  (name 
  based 
  on 
  

   Cuvier's 
  sajou 
  d 
  pieds 
  doris). 
  

  

  Cebus 
  flavescens 
  Gray, 
  Proc. 
  Zool. 
  Soc. 
  London, 
  1865, 
  p. 
  827 
  (Brazil). 
  

  

  Cebus 
  gracilis 
  Cabrera, 
  Rev. 
  Real 
  Acad. 
  Cienc, 
  Madrid, 
  vol. 
  16, 
  ser. 
  2, 
  p. 
  229, 
  

   1917. 
  — 
  Cruz 
  Lima, 
  Mammals 
  of 
  Amazonia, 
  Contrib. 
  Mus. 
  Paraense 
  Emilio 
  

   Goeldi 
  Hist. 
  Nat. 
  Etnogr. 
  (English 
  ed.), 
  p. 
  129, 
  pi. 
  24, 
  1945 
  (no 
  distribu- 
  

   tional 
  records). 
  

  

  Cebus 
  gracilis 
  Spix 
  (vel 
  C. 
  albifrons 
  Humboldt 
  ?), 
  Lonnberg, 
  Arkiv 
  Zool., 
  Stock- 
  

   holm, 
  vol. 
  31A, 
  no. 
  23, 
  p. 
  17, 
  1939 
  (Rio 
  Solim5es; 
  Codajdz; 
  Rio 
  Tapaj6z; 
  

   Irocanga 
  and 
  Patinga; 
  Rio 
  Purus: 
  Jaburii; 
  Rio 
  Jurud: 
  Igarap6 
  de 
  Gordao, 
  

   Joao 
  Pessoa, 
  Lago 
  Grande, 
  Santo 
  Antonio, 
  Rio 
  Eirii). 
  

  

  Cebus 
  albifrons, 
  Elliot, 
  A 
  review 
  of 
  the 
  Primates, 
  vol. 
  2, 
  p. 
  88, 
  1913 
  (part; 
  gracilis 
  

   Spix, 
  synonym).— 
  Tate, 
  Bull. 
  Amer. 
  Mus. 
  Nat. 
  Hist., 
  vol. 
  76, 
  p. 
  213, 
  1939 
  

   (Rio 
  Negro 
  and 
  Rfo 
  Casiquiare). 
  

  

  Cebus 
  flavus, 
  Elliot, 
  A 
  review 
  of 
  the 
  Primates, 
  vol. 
  2, 
  p. 
  93, 
  1913 
  (part; 
  refer- 
  

   ences 
  to 
  Brazilian 
  records). 
  

  

  C[ebus] 
  c[apucinus] 
  gracilis, 
  Pusch, 
  Zeitschr. 
  fiir 
  Sauget., 
  vol. 
  16, 
  p. 
  192, 
  1941 
  

   (part; 
  Amazonian 
  records 
  east 
  of 
  the 
  Andes 
  only 
  and 
  "C. 
  gracilis 
  hellstirnig, 
  

   Lonnberg 
  1939," 
  not 
  capucinus 
  Tschudi 
  and 
  aequatorialis 
  Allen), 
  

  

  C[ebus] 
  c[apucinus] 
  versicolor, 
  Pusch, 
  Zeitschr. 
  fiir 
  Sauget., 
  vol. 
  16, 
  p. 
  193, 
  1941 
  

   (part; 
  Brazilian 
  records 
  and 
  "flavus 
  Geoff 
  roy" 
  only). 
  

  

  C[ebus] 
  cuscinus 
  cuscinus, 
  Pusch, 
  Zeitschr. 
  fiir 
  Sauget., 
  vol. 
  16, 
  p. 
  196, 
  1941 
  (part; 
  

   "C. 
  gracilis 
  dunkelstirnig, 
  Lonnberg," 
  and 
  Chicosa, 
  Peru, 
  only). 
  

  

  Cebus 
  species 
  B, 
  Thomas, 
  Ann. 
  Mag. 
  Nat. 
  Hist., 
  ser. 
  10, 
  vol, 
  2, 
  p. 
  252, 
  1928 
  

   (Cumeria; 
  Chicosa; 
  Cerro 
  Azul; 
  Contamana; 
  Masisea, 
  all 
  localities 
  in 
  Rfo 
  

   Ucayali 
  drainage, 
  Peru). 
  

  

  Holotype. 
  — 
  Adult 
  male, 
  skin 
  and 
  skull, 
  Zoologische 
  Staatssammlung, 
  

   Munich; 
  collected 
  by 
  the 
  Spix 
  and 
  Martius 
  Expedition 
  to 
  BrazU. 
  

  

  Type 
  locality. 
  — 
  Forests 
  of 
  the 
  Rio 
  Teffe, 
  near 
  its 
  junction 
  with 
  the 
  

   Amazon, 
  Amazonas, 
  Brazil. 
  

  

  Distribution. 
  — 
  Limits 
  unknown 
  but 
  may 
  include 
  all 
  the 
  middle 
  and 
  

   upper 
  Amazonian 
  region 
  east 
  of 
  the 
  Andes 
  in 
  Brazil, 
  Venezuela 
  (Rio 
  

   Casiquiare), 
  southeastern 
  Colombia, 
  Peru, 
  and 
  Bolivia. 
  

  

  Characters. 
  — 
  Most 
  uniformly 
  brightly 
  colored 
  race 
  of 
  albifrons. 
  

  

  