Discovery of Dinosaur remains, 90; nearest relatives of Dinosaurs, 91; relation of birds to reptiles, 92; brain of Dinosaurs, 93; parallel between Dinosaurs and Marsupials, 95; the great Brontosaurus, 96; food of Dinosaurs, 97; habits of Diplodocus, 99; the strange Australian Moloch, 100; combats of Triceratops, 101; skeleton of Triceratops, 102; Thespesius and his kin, 104; the carnivorous Ceratosaurus, 106; Stegosaurus, the plated lizard, 106; preferences, 109. VII. READING THE RIDDLES OF THE ROCKS Fossils regarded as sports of nature, 111; qualifications of a successful collector, 112; chances of collecting, 114; excavation of fossils, 115; strengthening fossils for shipment, 117; great size of some specimens, 118; the preparation of fossils, 119; mistakes of anatomists, 120; reconstruction of Triceratops, 121; distinguishing characters of bones, 122; the skeleton a problem in mechanics, 124; clothing the bones with flesh, 127; the covering of animals, 127; outside ornamentation, 129; probabilities in the covering of animals, 130; impressions of extinct animals, 131; mistaken inferences from bones of Mammoth, 133; coloring of large land animals, 134; color markings of young animals, 136; references, 137. VIII. FEATHERED GIANTS Legend of the Moa, 139; our knowledge of the Moas, 141; some Moas wingless, 142; deposits of Moa bones, 143; legend of the Roc, 144; discovery of AEpyornis, 145; large-sounding names, 146; eggs of great birds, 147; the Patagonian Phororhacos, 149; the huge Brontornis, 150; development of giant birds, 153; distribution of flightless birds, 154; relation between flightlessness and size, 156; references, 156. IX. THE ANCESTRY OF THE HORSE North America in the Eocene age, 160; appearance of early horses, 163; early domestication of the horse, 165; the toes of horses, 166; Miocene horses small, 167; evidence of genealogy of the horse, 170; meaning of abnormalities, 170; changes in the climate and animals of the West, 174; references, 176. X. THE MAMMOTH The story of the killing of the Mammoth, 177; derivation of the word "mammoth," 178; mistaken ideas as to size of the Mammoth, 179; size of Mammoth and modern elephants, 180; finding of an entire Mammoth, 182; birthplace of the Mammoth, 184; beliefs concerning its bones, 185; the range of the animal, 186; theories concerning the extinction of the Mammoth, 188; Man and Mammoth, 189; origin of the Alaskan Live Mammoth Story, 190; traits of the Innuits, 192; an entire Mammoth recently found, 194; references, 195. XI. THE MASTODON