﻿40 
  ATELEUS 
  

  

  1820, 
  p. 
  24; 
  Desm., 
  Mamm., 
  1820, 
  p. 
  74; 
  F. 
  Guv., 
  Hist. 
  Nat. 
  

  

  Mamm, 
  2me 
  ed., 
  1833, 
  p. 
  158, 
  pi. 
  LVII; 
  Blainv., 
  Osteog., 
  

  

  1841, 
  AtL, 
  Cebus, 
  pi. 
  I; 
  Less., 
  Spec. 
  Mamm., 
  1840, 
  p. 
  132; 
  

  

  Wagn., 
  Schreb., 
  Saugth. 
  Suppl., 
  I, 
  1840, 
  p. 
  199; 
  V, 
  1855, 
  p. 
  

  

  78, 
  pi. 
  XXVI; 
  I. 
  Geoff., 
  Cat. 
  Primates, 
  1851, 
  p. 
  49; 
  Dahlb., 
  

  

  Stud. 
  Zool. 
  Fam. 
  Reg. 
  Anim. 
  Natur., 
  fasc. 
  I, 
  1856, 
  pp. 
  171, 
  

  

  172; 
  Reichenb., 
  Vollstand. 
  Naturg. 
  Affen, 
  1862, 
  p. 
  62, 
  figs. 
  

  

  149, 
  152; 
  Gray, 
  Cat. 
  Monkeys, 
  Lemurs 
  and 
  Fruit-eating 
  Bats, 
  

  

  Brit. 
  Mus., 
  1870, 
  p. 
  44; 
  Schleg., 
  Mus. 
  Pays-Bas, 
  Simiae, 
  1876, 
  

  

  p. 
  176. 
  

   La 
  Marimonda 
  Humb., 
  Rec. 
  Obs. 
  Zool., 
  I, 
  1811, 
  (1815), 
  p. 
  325. 
  

   Simia 
  belzebuth 
  Humb., 
  Rec. 
  Obs. 
  Zool., 
  I, 
  1811, 
  (1815), 
  p. 
  353. 
  

   Ateles 
  (!) 
  fuliginosus 
  Kuhl, 
  Beitr. 
  Zool., 
  1820, 
  p. 
  26; 
  Schleg., 
  

  

  Mus. 
  Pays-Bas, 
  Simiae, 
  1876, 
  p. 
  179, 
  (Part.). 
  

   Cebus 
  fuliginosus 
  Fisch., 
  Syn. 
  Mamm., 
  1829, 
  p. 
  40. 
  

   Cebus 
  brissonii 
  Fisch., 
  Syn. 
  Mamm., 
  1829, 
  p. 
  40. 
  

   Ateles 
  (!) 
  vellerosus 
  Gray, 
  Proc. 
  Zool. 
  Soc. 
  Lond., 
  1865, 
  p. 
  733; 
  

  

  Id. 
  Cat. 
  Monkeys, 
  Lemurs 
  and 
  Fruit-eating 
  Bats, 
  Brit. 
  Mus., 
  

  

  1870, 
  p. 
  44. 
  

  

  MEXICAN 
  SPIDER 
  MONKEY. 
  

  

  Type 
  locality. 
  Banks 
  of 
  the 
  Orinoco. 
  Neither 
  Geoffroy's 
  type 
  

   nor 
  Kuhl's 
  type 
  is 
  in 
  the 
  Paris 
  Museum. 
  Gray's 
  type 
  of 
  vellerosus 
  is 
  

   in 
  the 
  British 
  Museum. 
  

  

  Geogr. 
  Distr. 
  South 
  America 
  on 
  the 
  banks 
  of 
  the 
  Orinoco, 
  above 
  

   the 
  great 
  rapids 
  of 
  Atures 
  and 
  Maypures, 
  (Humboldt). 
  

  

  Genl. 
  Char. 
  Hair 
  long, 
  soft, 
  falling 
  over 
  sides 
  like 
  a 
  mantle. 
  

  

  Color. 
  Head, 
  outer 
  side 
  of 
  arms, 
  legs 
  from 
  above 
  knees 
  to 
  

   ankles, 
  hands, 
  feet, 
  and 
  upper 
  side 
  of 
  tail 
  black; 
  upper 
  part 
  of 
  back 
  

   and 
  rump, 
  blackish 
  chestnut 
  ; 
  lower 
  back 
  golden 
  ; 
  sides 
  deep 
  orange 
  or 
  

   tawny 
  ; 
  whiskers, 
  throat, 
  inner 
  side 
  of 
  limbs, 
  grayish 
  yellow 
  ; 
  under 
  side 
  

   of 
  tail 
  yellowish 
  brown. 
  Sometimes 
  the 
  lower 
  back 
  and 
  sides 
  are 
  pale 
  

   brownish 
  yellow 
  ; 
  under 
  parts 
  cream 
  color. 
  Ex 
  type 
  of 
  A. 
  vellerosus 
  

   in 
  British 
  Museum. 
  

  

  Measurements. 
  Skull 
  : 
  total 
  length, 
  111 
  ; 
  occipito-nasal 
  length, 
  95 
  ; 
  

   Hensel, 
  74 
  ; 
  intertemporal 
  width, 
  49 
  ; 
  palatal 
  length, 
  33 
  ; 
  zygomatic 
  

   width, 
  72 
  ; 
  breadth 
  of 
  braincase, 
  57 
  ; 
  median 
  length 
  of 
  nasals, 
  16 
  ; 
  length 
  

   of 
  upper 
  molar 
  series, 
  24 
  ; 
  length 
  of 
  mandible, 
  71 
  ; 
  length 
  of 
  lower 
  

   molar 
  series, 
  29. 
  

  

  Neither 
  the 
  type 
  of 
  A. 
  belzebuth, 
  nor 
  that 
  of 
  A. 
  fuliginosus 
  is 
  

   now 
  in 
  the 
  Paris 
  Museum. 
  The 
  earliest 
  specimen 
  of 
  A. 
  belzebuth 
  is 
  

   dated 
  1836, 
  and 
  the 
  animal 
  died 
  in 
  the 
  Menagerie; 
  the 
  next 
  is 
  1840, 
  

  

  