INDEX 



569 



Russia, Cambrian of, 370; Carbonifer- 

 ous of, 417 ; Jurassic of, 461 ; Permian 

 of, 431. 



Sabre-tooth cats, 508; tigers, 517, 



538. 



St. Elias Alps, upheaval of, 520. 



St. Louis stage, 409, 411. 



St. Vincent, volcano of, 61, 64. 



Salenia, 487. 



Salina stage, 385, 387-f-. 



Salix, 504*. 



Salmon, fossil, 490. 



Salt, deposition of, 151. 



Salt lakes, 148 ; streams, 102. 



Salt Range, Permian of, 431. 



Sand, 206 ; blown, 125 ; green, 175 ; lake, 

 145 ; river, 136 ; sea, 164. 



Sand blast, natural, 86. 



Sand grouse, fossil, 516. 



Sandstone, 2o6f, 293, 297; argillaceous, 

 206; felspathic, 206; micaceous, 206; 

 weathering of, 75. 



Sandstone dikes, 268* 269. 



Sandwich Islands, volcanoes of, 39. 



San Francisco mountains, 275. 



Sanidine, ij\ % 197, 199. 



Santa Cruzian series or stage, 523. 



Sarmatian Sea, 515. 



Saskatchewan gravels, 530. 



Sassafras, 485, 486*. 



Saurodonts, 490. 



Saxonian stage, 535. 



Scale, of rocks, 354; of time, 354. 



Scalenohedron, 10*. 



Scandinavia, changes of level in, 66. 



Scaphites, 489*, 490. 



Scelidosaurus, 471. 



Schist, chlorite, 298 ; graphite, 298 ; horn- 

 blende, 297 ; mica, 289, 297 ; quartz, 

 297 ; talc, 298. 



Schistose rocks, 295. 



Schistosity, 260, 2907. 



Schists, Archaean, 358 ; crystalline, 297. 



Schlcenbachia, 488. 



Schoharie stage, 394, 396. 



Scoria, 44T, 45- 5 *• 



Scoriaceous texture, 189. 



Scorpions, fossil, 391, 424. 



Screw pines, 502. 



Sculpture of land, 300. 



Scythic series, 443, 447. 



Sea, chemical work of, 119; degradation 

 by, 304 ; deposition in, 160 ; destruc- 

 tive work of, 116; preservation of fos- 

 sils in, 345. 



Sea-level, differences of, 65. 



Sea-urchins, see Echinoidea. 



Seatstone, 413. 



Seaweeds, Palaeozoic, 367 ; protection of 

 coast by, 122. 



Secondary minerals, 194. 



Secondary rocks, 495. 



Secretary birds, fossil, 516. 



Sedgwick, A., 368, 394. 



Sedimentary rocks, 188, 2047; joints of, 

 263. 



Sediments, consolidation of, 182. 



Seismic bands, 61, 62. 



Selachii, 404, 426, 435, 467, 490. 



Selenite, 23. 

 I Semibituminous coal, 216. 

 J Semionotus, 453. 



Septa (of cephalopod shells) , 374, 402. 



Septarium, 229. 



Sequoia, 502, 508, 521. 



Sericite, 19. 



Series, stratigraphical, 354. 



Serpentine, 22f, 90, 295. 



Serpentine rocks, 202. 



Shale, 208 ; arenaceous, 208 ; bituminous, 

 208 ; calcareous, 208 ; saline, 210. 



Shallow-water deposits, 164. 



Shaly Limestone stage, 385. 



Sharks, fossil, 404, 426, 435, 467, 490. 



Shasta series, 475. 

 i Shear thrust, 253. 



i Sheets, contemporaneous, 277, 282 ; in- 

 terbedded, 277, 282 ; intrusive, 50, 280*, 

 281*, 282*; lava, 277. 



Shell, limestone, 171*, 213 ; marl, 148, 

 2i2t, sands, 127. 



Shenandoah peneplain, 342 ; River, 328. 



Sheridan stage, 532. 



Shingle, 207. 



Siberia, frozen gravels of, 345 ; Lias of, 

 460; Triassic of, 448. 



Sicily, 98 ; land connections of, 538. 



Siderite, 25. 



Sierra Nevada, 83, 333, 334, 338; glacia- 

 tion of, 527 ; origin of, 459 : upheavals 

 of, 480, 519. 534- 



