Part 17

Brooks, W. K., on Lingula, 229

Buffalo legend, 216

Buttons as vestigial structures, 202

Carcharodon auriculatus, 66 teeth, 66 megalodon, 65 estimated size, 66 teeth, 65, 67

Carson City footprints, 45

Casts, how formed, 10, 11

Cats and clover, 234

Cephalaspis, 24*

Ceratosaurus, habits, 106 restoration, 106* skull, 110*

Changes in Nature slow, 227

Cheirotherium, 43

Chlamydosaurus, 129

Claosaurus. See Thespesius

Climate, changes in western United States, 174

Clover and cats, 234

Cold, effects of, on animals, 230, 231, 233

Cold winters, 230

Collecting fossils, 17, 112-116

Color of large land animals, 134 of young animals, 136

Covering of extinct animals sometimes indicated, 131, 132

Coyotes, effect of their destruction on fruit, 236

Dall, W. H., theory as to extinction of mollusks, 227

Dinosaurs, bones of, 109, 110 brain of, 93 collections of, 109 compared to marsupials, 95 first discovered, 90 food required by, 98 hip-bones mistaken for shoulder-blade, 120 Professor Marsh's epitaph for, 222 range, 92 recognized as new order of reptiles, 91 related to ostrich and alligator, 91 size of, 95, 96, 98 tracks, ascribed to birds, 38

Dinotherium, 200

Diplodocus, estimated weight, 99 supposed habits, 99

Egg of AEpyornis, 147, 148; Apteryx, 147; Ostrich, 146; Moa, 148

Eggs, casts of, 87

Elephant, size, 180 size of tusks, 181, 182