LIST OF ILLUSTRATIONS. 



XXXI 



FIG. 



64. 

 65. 

 66. 

 67. 



68. 



69. 



70. 

 71. 

 72. 

 73. 

 74. 



75. 

 76. 



77. 

 78. 

 79. 

 80. 

 81. 

 82. 

 88. 

 84. 

 85. 



86. 

 87. 

 88. 

 89. 

 90. 

 91. 

 92. 

 93. 

 94. 

 95. 

 96. 

 97. 



J. 



Palseolith found by Abbott in New Jersey . 



Section across the Delaware River at Trenton, N, 



Section of the Trenton gravel • . 



Face view of argillite implement found by Dr. C. C. Ab- 

 bott in 1876 ■ . 



Argillite implement found by Dr. C. C. Abbott, March, 

 1879 



Chipped pebble of black chert found by Dr. C. L. Metz, 

 October, 1885 



Map showing glaciated area in Ohio 



Palaeoliths from Newcomerstown and Amiens (face view) . 



Edge view of the preceding 



Section across the Mississippi Valley at Little Falls, Minn. . 



Quartz implement found by Miss F. E. Babbitt, 1878, at 

 Little Falls, Minn 



Argillite implement found by H. T. Cresson, 1887 



General view of Baltimore and Ohio Railroad cut, 

 Claymont, Del 



Section across valley of the Somme 



Mouth of Kent's Hole .... 



Engis skull (reduced) .... 



Comparison of forms of skulls 



Skull of the Man of Spy 



Tooth of Machairodus neoggeus . 



Perfect tooth of an Eiephas 



Skull of Hyena spelaea .... 



Celebrated skeleton of mammoth in St. Petersburg Mu- 



PAfiK 



244 

 245 

 246 



247 



248 



249 

 250 

 252 

 253 



254 



seum 



Molar tooth of mammoth 

 Tooth of Mastodon Americanus . 

 Skeleton of Mastodon Americanus 

 Skeleton of Rhinoceros tichorhinus 

 Skull of cave-bear .... 



Skeleton of the Irish elk 



Musk-sheep 



Reindeer 



Section across Table Mountain, Tuolumne County 



Calaveras skull 



Three views of Nampa image, drawn to scale 



Map showing Pacatello, Nampa, and the valley of 



River . 



il. 



255 



259 



260 

 262 

 268 

 274 



276 



277 

 281 

 281 



282 



283 

 284 

 284 

 286 

 287 

 287 

 288 

 289 

 290 

 294 

 295 

 298 



Snak 



209 



