328 
Rocks, how formed, 15, 17 
Rocky Mountains, the, 240 
(op) 
Salamanders, 104 
Sauranodon, 74 
Sauropoda, 131 
Scelidotherium, 288, 289 
Scenery, 4 
Scleromochlus, a new Dinosaur, 172 
Sea-dragons, 64 
Sea-lizards (Plesiosaurs), 77 
——, discoveries of, by Mr. A. N. 
Leeds, 79 
Sea-Scorpions, Chap. III., Agassiz on, 
53 
——.,, habits of, 56 
, wax model, 55 
Sea-Serpents, 187. 
, Clidastes, 195 
——, Cope on, 193 
——., earliest discovery of Mosasaurus 
by Hoffman, 188 
——., Leiodon, 192 
——.,, Platycarpus, 195 
——., Pythonomorphs, 194 
——, Tylosaurus, 195 
, where found, 188-192 
Sea-shore, markings on, 29 
Seely, Prof. H. G., on Pterodactyls, 209 
, on Pareiasaurus, 113 
Siwalik Hills, 25, 229 
Sloth. See Megatherium 
Smith Woodward, Dr. A., on elephants, 
268 
Solenhofen stone, 15 
Sollas, Prof. W. J., on tracks, 41, 42 
Sphenodon (Tuatara), 116, 117, 119 
Sports of nature, 6 
Squalodon, 299 
Stegodon, 267 
Stegosaurus, 175 
, limbs of, 178 
Sternberg, Mr. Charles, 196 
See Appendix IT. 
INDEX 
Stirling, Dr., 307 
Stylonurus, 56 
Sydenham, Restorations at, 59, 167 
Tapir, the, 237 
Teeth, foldings in, 89 
——, conclusions drawn from, 7, 72, 
110, 133, 140, 159, 161, 162, 176, 
192, 203, 215, 217, 246, 250, 252, 
212,206 
Telerpeton, 119 
Tetrabelodon, 266 
Teutoboccus rex, 297 
Theromorphs, 105 
Theropoda, 131 
Tinoceras, 254 
Titanotherium, 261 
Tracks of birds, 42 
of crustacea, 36 
— of molluscs, 33 
—— of reptiles, 37 
—— of tortoises, 30 
—— of worms, 29, 31-33 
—— in Saxony, 39 
Tree of Life, XII, 238 
Triceratops, 182 
, model of skeleton, 183 
——.,, over-specialized, 185 
, where found, 183 
Tritylodon, 113 
Tuatara. See Sphenodon 
Tylosaurus, 195 
U 
Uintatherium, 258 
Uniformity, 18, 28 
W 
Whales, 294-301 
Whitney, Mr. W. C., generous gift by, 
241 
