320 



INDEX 



Reptilia, 178, 180, 184-226, 231-233, 236, 

 292; see Reptiles; pro-, 189, 196 



Respiration, 16, 40, 53, 61, 72, 280, 289 



Retardation, 16, 17, 108, 145, 149, 233, 252, 

 268, 270, 279, 280 



Rheas, 230 



Rhinoceros, 260, 263, 264, 292; woolly, 272 

 (Fig.) 



Rhinoceros ticlwrhimis, 272 (Fig.) 



Rhizopods, 114 



Rhizostomse, 129 



Rhodophyceae, 104 



Rh>Ticocephalia, 193, 201 



Rhytidodon, 199 (Fig.), 211 (Fig.) 



Richards, Herbert M., 53 



Rocks, 83, 84; see Chalk, Coal, Gneiss, 

 Granite, Graphite, Limestone, Sandstone, 

 Schists, Shale; decomposition of, 83; 

 igneous, 27, 31, 32, 36, 44, 153; sedimen- 

 tary, 29, 36, 100, 118, 153; see Sedimen- 

 tary deposits; stratified, 90; volcanic, 32 



Rocky Mountains, 136, 198, 205, 213, 217, 

 218, 220, 255, 256, 261, 262 



Rodents, 236, 237, 239, 258, 259, 271, 272, 

 292 



Rumford, Benjamin Thompson, Count, 13 



Russell, Henry Norris, 44, 46 



Russia, 191 



Rutherford, Sir Ernest, 3, 11, 28, 56, 59, 97 



Sagifia, 120, 129; gardineri, 129 (Fig.) 

 St. Hilaire, Geoffroy, 158, 215, 279 

 Salamander, 178 

 Salt, see Ocean, salt in the; Sodium 



chloride 

 Saltation, 63, 140, 252, 268, 277 

 Sandstone, 65, 189, 198 

 Saratoga Springs, 102 

 Saurischia, 210 



Sauropoda, 195, 196, 211, 213, 216-221, 266 

 de Saussure, N. T., 51 

 Saxony, 177 

 Scales, 147, 179, 227 

 Schafer, Sir Edward, 74 

 Schickchockian Mountains, 134 

 Schists, 83 

 Schizophyceae, 286 

 Schleiden, M. J., 93 

 Schopenhauer, A., 8 

 Schuchert, Charles, 134, 136, 165, 171, 180, 



255 

 Schwann, T., 93 



Scorpion, 125, 132, 133, 136, 291; sea-, 132, 

 133 (Fig.), 137 



Scotland, 170, 175, 177 



Scrope, G. Poulett, 24 



Scymnognathiis, 192 (Fig.) 



Scyphomeduss, 129 



Sea-cucumbers, 125-127 (Fig.), 291; see 

 Holothurian, Holothuroidea 



Seals, 236, 237, 239 



Seas, 35, 90, 102, 104, 118, 119, 122, 181 



Sea-urchin, 94, 97, 291 



Sea-water, 37, 38, 90, 104 



Sedimentary deposits, 90; see Rocks, sedi- 

 mentary 



Sedimentation, 28-30, 118 



Sediments, 26-28, 31, 197 



Seeley, H. G., 189 



Selection, 20-22, 69, 99, 117, 137, 140, 143- 

 14s, 147, 188, 225, 232, 233, 240, 241, 244, 

 250, 268, 271, 279 



Semon, R., 144 



SemostomEB, 130 



Sequoia, 96 (Fig.), 97, 142; sempcrvirens, 

 96, 97; washingtonia (gigantca), 96, 98 



Seymouria, 187 (Fig.) 



Shale, 32, 65, 100, 120, 122, 177, 189, 198 



Shark, 134, 155 (Fig.), 161, 167-170 (Figs.), 

 172, 204, 230, 292; acanthodian, 161, 167 

 (Fig.) 



Shell, 148, 202 



Shell-fish, 136 



Shore, 122, 197 



Shrew, 234, 239; tree, 235 (Fig.), 236, 252 



Shrimp, 124 (Fig.), 291 



Sierra Nevada, 136, 218, 256 



Sierran, 135, 136 



Silica, 31, 32, 50, 68, 104 



Siliceous, ooze, 104; skeleton, 115 



Silicon, 2>3, 47, 54, 67 



Silurian, 50, 122, 132, 133, 135, 153, 154, 

 161, 164-166, 168, 177, 178, 193, 256 



Sirenians, 269, 270 



Skates, 169 



Skeletal, structure, 185, 246; system, 280 



Skeleton, 55, 63-65, 75, 115, 153, 154, 203- 

 205, 220, 228, 230, 252, 259, 267; cartilag- 

 inous, 167 



Skin, 168, 187, 197, 289 



Skull, 185-187, 190, 270, 279 



Sloth, 239; tree, 279 



Smith, G. Elliot, 235 



Smith, Perrin, 137, 160 



Snakes, 186, 193, 194, 200, 231, 292; see 

 Ophidia; sea-, 201 



