﻿BRACHYTELEUS 
  49 
  

  

  GENUS 
  *BRACHYTELEUS. 
  WOOLLY 
  SPIDER 
  

   MONKEYS. 
  

  

  T 
  2—2 
  plzi 
  p?Z^ 
  w 
  W_ 
  , 
  

  

  a- 
  2—2J 
  ^- 
  i_i 
  ; 
  "• 
  3_3 
  ; 
  M. 
  3_3 
  — 
  3°- 
  

  

  BRACHYTELES 
  (!) 
  Spix, 
  Sim. 
  et 
  Vespert. 
  Bras., 
  1823, 
  p. 
  36, 
  pi. 
  

   XXVII. 
  Type 
  Brachy 
  teles 
  ( 
  !) 
  macrotarsus 
  Spix, 
  = 
  Ateles 
  

   ( 
  !) 
  arachnoides 
  E. 
  Geoffroy. 
  

   £rwd« 
  I. 
  Geoff., 
  Mem. 
  Mus. 
  Hist. 
  Nat., 
  Paris, 
  XVII, 
  1829, 
  p. 
  160. 
  

  

  Head 
  round; 
  body 
  heavy; 
  limbs 
  long, 
  slender; 
  fur 
  woolly; 
  face 
  

   flat; 
  septum 
  of 
  nose 
  narrow; 
  nostrils 
  circular, 
  approximate, 
  directed 
  

   downwards 
  ; 
  thumb 
  rudimentary 
  or 
  wanting 
  ; 
  nails 
  sharp, 
  compressed 
  ; 
  

   tail 
  longer 
  than 
  body, 
  naked 
  beneath, 
  prehensile. 
  Skull 
  has 
  a 
  rounded 
  

   braincase; 
  incisors 
  of 
  equal 
  size; 
  canines 
  small, 
  of 
  same 
  length 
  as 
  the 
  

   incisors, 
  while 
  the 
  molars, 
  which 
  are 
  square 
  shaped 
  and 
  heavy, 
  are 
  

   higher 
  than 
  the 
  canines. 
  

  

  The 
  fur 
  of 
  this 
  species 
  is 
  woolly 
  in 
  texture 
  and 
  not 
  brightly 
  

   colored, 
  while 
  the 
  face 
  is 
  naked 
  and 
  often 
  a 
  brilliant 
  red, 
  the 
  color 
  

   being 
  intensified 
  when 
  the 
  animal 
  is 
  excited. 
  The 
  arms 
  are 
  long 
  and 
  

   slender, 
  and 
  the 
  hand 
  is 
  without 
  a 
  thumb 
  or 
  with 
  merely 
  a 
  rudiment 
  

   of 
  one. 
  The 
  tail 
  is 
  long, 
  naked 
  on 
  the 
  under 
  side 
  at 
  the 
  tip, 
  and 
  

   prehensile. 
  The 
  nails 
  of 
  the 
  hands 
  and 
  feet 
  are 
  compressed 
  and 
  acute. 
  

  

  LITERATURE 
  OF 
  THE 
  SPECIES. 
  

  

  1806. 
  E. 
  Geoffroy 
  Saint-Hilaire, 
  in 
  Annates 
  du 
  Museum 
  d'Histoire 
  

   Naturelle, 
  Paris. 
  

  

  In 
  a 
  paper 
  upon 
  the 
  species 
  of 
  Ateles 
  ( 
  !) 
  Brachyteleus 
  

   arachnoides 
  is 
  first 
  described 
  as 
  Ateles 
  ( 
  !) 
  arachnoides. 
  

  

  1820. 
  Kuhl, 
  Beitrdge 
  zur 
  Zoologie 
  und 
  vergleichenden 
  Anatomie. 
  

  

  Among 
  the 
  species 
  of 
  Ateleus 
  here 
  given, 
  two 
  of 
  the 
  genus 
  

   Brachyteleus 
  are 
  included 
  as 
  Ateles 
  ( 
  !) 
  arachnoides, 
  speci- 
  

   men 
  without 
  a 
  thumb, 
  and 
  A. 
  hypoxanthus, 
  example 
  with 
  a 
  

   thumb 
  == 
  Brachyteleus 
  arachnoides. 
  

  

  1823. 
  Spix, 
  Simiarum 
  et 
  Vespertilionum 
  Brasiliensium, 
  Species 
  Novcc. 
  

  

  ♦Bpaxfo 
  short, 
  and 
  TcXos,eas 
  end 
  = 
  Brachyteleus 
  nee 
  Drachyteles. 
  See 
  

   I. 
  Geoffroy, 
  Cat. 
  Primates, 
  p. 
  51. 
  

  

  