﻿470 
  PROCEEDINGS 
  OF 
  THE 
  2^ 
  ATIONAL 
  MUSEUM. 
  vol.xx. 
  

  

  body 
  witli 
  a 
  blackish 
  median 
  area, 
  the 
  color 
  fading 
  to 
  grayish 
  on 
  the 
  

   axillary 
  and 
  inguinal 
  regions. 
  Snout 
  livid 
  plumbeous, 
  Hesh 
  color 
  

   around 
  the 
  nostrils. 
  Hoofs 
  plumbeous-black. 
  Length, 
  920 
  mm.; 
  tail 
  

   vertebrie, 
  65; 
  tail 
  to 
  end 
  of 
  hairs, 
  128; 
  ear 
  from 
  crown, 
  11;") 
  ; 
  ear 
  from 
  

   notch, 
  05; 
  width 
  of 
  ear, 
  8S 
  ; 
  distance 
  between 
  eyes, 
  80; 
  diameter 
  of 
  eye, 
  

   16; 
  length 
  of 
  longest 
  whisker, 
  80; 
  from 
  tip 
  of 
  snout 
  to 
  angle 
  of 
  mouth, 
  

   105; 
  to 
  eye, 
  160; 
  to 
  center 
  of 
  pupil, 
  175; 
  to 
  ear, 
  235; 
  to 
  tii> 
  of 
  ear, 
  

   368; 
  to 
  occiput, 
  300; 
  to 
  end 
  of 
  outstretched 
  hinder 
  extremity, 
  1,250; 
  

   height 
  of 
  animal 
  at 
  shoulder, 
  610; 
  from 
  head 
  of 
  humerus 
  to 
  end 
  of 
  

   hoof, 
  390; 
  from 
  olecranon 
  process 
  to 
  end 
  of 
  hoof, 
  287; 
  length 
  of 
  mauus 
  

   (measured 
  in 
  front), 
  132; 
  height 
  of 
  animal 
  at 
  hii)s, 
  520; 
  from 
  great 
  

   trochanter 
  to 
  end 
  of 
  hoof, 
  460; 
  from 
  knee-joint 
  to 
  end 
  of 
  hoofs, 
  308; 
  

   length 
  of 
  hind 
  foot, 
  200; 
  distance 
  from 
  point 
  of 
  shoulder 
  to 
  great 
  

   trochanter, 
  495 
  ; 
  girth 
  of 
  chest, 
  580. 
  Weight, 
  46 
  pounds 
  avoirdupois. 
  

  

  The 
  young 
  are 
  pale 
  reddish 
  brown, 
  with 
  a 
  black 
  vertebral 
  stripe. 
  

   The 
  upper 
  surface 
  is 
  sprinkled 
  with 
  black 
  bristles, 
  the 
  lower 
  surface 
  

   plain 
  and 
  paler. 
  The 
  limbs 
  are 
  reddish 
  brown, 
  becoming 
  blackish 
  

   next 
  to 
  the 
  hoofs. 
  

  

  This 
  animal 
  differs 
  from 
  the 
  i)eccary 
  of 
  eastern 
  Texas 
  and 
  north- 
  

   eastern 
  Mexico 
  in 
  being 
  larger, 
  with 
  relatively 
  larger 
  ears 
  and 
  feet, 
  and 
  

   paler 
  colors. 
  The 
  peccary 
  of 
  the 
  Lower 
  llio 
  Grande 
  is 
  blackish, 
  while 
  

   that 
  of 
  Sonora 
  and 
  Arizona 
  is 
  grayish, 
  with 
  a 
  sharply 
  contrasting, 
  

   black 
  dorsal 
  stripe. 
  The 
  posterior 
  molars 
  are 
  smaller 
  and 
  more 
  simple 
  

   in 
  form 
  than 
  those 
  of 
  true 
  D. 
  angulatus. 
  

  

  DORCELAPHUS 
  HEMIONUS 
  EREMICUS, 
  new 
  subspecies. 
  

  

  BURRO 
  DEER; 
  DESERT 
  MULE 
  DEER. 
  

  

  The 
  mule 
  deer 
  of 
  the 
  Western 
  Desert 
  Tract, 
  like 
  all 
  mammals 
  of 
  

   that 
  region, 
  is 
  remarkable 
  for 
  the 
  extreme 
  pallor 
  of 
  its 
  coloration. 
  An 
  

   adult 
  male 
  (No. 
  63403, 
  U.S.N.M), 
  taken 
  by 
  Mr. 
  W 
  J 
  McGee, 
  in 
  Decem- 
  

   ber, 
  1895, 
  in 
  the 
  Sierra 
  Seri, 
  near 
  the 
  Gulf 
  of 
  California, 
  in 
  the 
  most 
  

   arid 
  portion 
  of 
  Sonora, 
  Mexico, 
  is 
  in 
  full 
  winter 
  pelage. 
  The 
  coat 
  is 
  

   short 
  and 
  glossy. 
  Coloration 
  above 
  very 
  pale 
  drab-gray, 
  with 
  a 
  dark 
  

   vertebral 
  area, 
  which 
  begins 
  as 
  a 
  mirrow 
  median 
  stripe 
  on 
  the 
  upper 
  

   side 
  of 
  the 
  neck, 
  broadens 
  and 
  becomes 
  fainter 
  on 
  the 
  back, 
  forms 
  a 
  

   blackish 
  spot 
  at 
  the 
  root 
  of 
  the 
  tail, 
  down 
  which 
  it 
  descends 
  for 
  a 
  short 
  

   distance. 
  The 
  buttocks, 
  inguinal 
  and 
  abdominal 
  regions, 
  and 
  the 
  mid- 
  

   dle 
  of 
  the 
  tail 
  all 
  around 
  are 
  white. 
  The 
  axillas 
  and 
  liollows 
  of 
  the 
  

   thighs 
  are 
  entirely 
  naked. 
  The 
  edges 
  of 
  the 
  butto( 
  ks, 
  jiosterior 
  surface 
  

   of 
  limbs, 
  and 
  the 
  feet 
  are 
  washed 
  with 
  pale, 
  muddy 
  cinnamon. 
  The 
  

   chest 
  is 
  light 
  sooty 
  drab. 
  Tail 
  with 
  a 
  heavy 
  brush 
  or 
  short 
  switch 
  of 
  

   black 
  hair 
  at 
  the 
  end, 
  the 
  middle 
  ])ortion 
  being 
  white 
  all 
  around, 
  the 
  

   dusky 
  color 
  running 
  down 
  a 
  short 
  distance, 
  on 
  the 
  upper 
  side, 
  from 
  the 
  

   blackish 
  spot 
  at 
  its 
  base. 
  Wliile 
  the 
  general 
  effect 
  is 
  to 
  produce 
  a 
  pale 
  

   drab-gray 
  coloring 
  of 
  the 
  upper 
  surface, 
  there 
  is 
  the 
  usual 
  pep])er-and- 
  

   salt 
  commingling 
  of 
  colors, 
  produced 
  l»y 
  light 
  and 
  dark 
  annulation 
  of 
  

  

  