﻿594 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM. 
  vol. 
  

  

  EXPLANATION 
  OF 
  PLATES. 
  

   Plate 
  69. 
  

  

  Fig. 
  1. 
  Equusfratemus. 
  Lower 
  incisors. 
  X 
  1. 
  Wagner. 
  

  

  2. 
  Equiis 
  niobrarensia. 
  Skull 
  viewed 
  from 
  above. 
  X 
  \. 
  Type. 
  

  

  3. 
  Equus 
  niobrarensis. 
  Skull 
  viewed 
  from 
  below. 
  X 
  h 
  Type. 
  

  

  4. 
  Equus 
  niobrarensis 
  . 
  Upper 
  incisors. 
  X 
  §. 
  Type. 
  

  

  Plate 
  70. 
  

   Equits 
  niobrarensis. 
  Skull 
  seen 
  from 
  side. 
  X 
  \. 
  Type. 
  

  

  Plate 
  71. 
  

  

  Fig. 
  1. 
  Equus 
  niobrarensis. 
  Lower 
  incisors. 
  X 
  1. 
  Type. 
  

  

  2. 
  Equus 
  niobrarensis. 
  Lower 
  incisors. 
  X 
  |. 
  "24," 
  Amer. 
  Mus. 
  Nat. 
  Hist. 
  

  

  3. 
  Equus 
  excelsus? 
  Lower 
  incisors. 
  X 
  1. 
  2762, 
  Amer. 
  Mus. 
  Nat. 
  Hist. 
  

  

  Plate 
  72. 
  

  

  Equus 
  laurentius. 
  Skull 
  viewed 
  from 
  the 
  side. 
  X 
  i- 
  Type. 
  

  

  Plate 
  73. 
  

  

  Fig. 
  1. 
  Equus 
  laurentius. 
  Skull 
  seen 
  from 
  above. 
  X 
  i- 
  Type. 
  

   2. 
  Equu^ 
  laurentius. 
  Skull 
  seen 
  from 
  below, 
  X 
  i- 
  Type. 
  

  

  