40. 
41. 
LIST OF ILLUSTRATIONS 
Page 
The Three Giants, Phororhacos, Moa, Os- 
trich . j . ; ; F . 158 
Skeleton of the Modern Horse and of His 
Eocene Ancestor . ‘ é é 161 
The Development of the Horse : - 168 
The Mammoth é 4 . 176 
From a drawing by Charles R. Knight. 
Skeleton of the Mammoth in the Royal 
Museum of St. Petersburg . ; . 183 
The Mammoth , . 196 
As engraved by a Primitive Artist on a "Pisce of Mam- 
moth-Tusk. 
Tooth of Mastodon and of Mammoth . 199 
The Missourium of Koch . ; . 207 
From a Tracing of the Figure Illustrating Koch's De- 
scription. 
The Mastodon . ‘ . ‘ . 210 
From a drawing by J. M. Cech : 
The Lenape Stone, Reduced . ° . 219 
