666 



STRATIGRAPHICAL GEOLOGY 



Southwold, 599 

 Sowerbya, 410 

 Spain, 100, 144, 187, 214 

 Spalacotherium, 434 

 Sparagmite Sandstone, 65 

 Sparnacian stage, 527, 549 

 Spatangus, 528, 574 

 Species, origin of, 14 

 Speeton, 505, 507 

 Speeton Clay, 484 

 Sperenberg, 343, 381 

 Sperrnophilus, 638 

 Sphcvrexochus, 110 

 Sphceriola, 350 

 SpheErocodium Limestone, 



182 



Spfueroceras, 410 

 Sphcerocrinus, 195 

 Sph&ronites, 114, 115 

 Sphcerophthalmus, 76, 77 

 Sphcerulites, 466 

 Sphenodon, 353 

 Sphenolepidium, 471 

 Sphenopteris, 226, 245, 287, 



290, 414 



Sphenosaurus, 317 

 Sphyrcenodus, 528 

 Spilsby, 445, 484, 486 

 Spirifer, 156, 197, 248, 326, 327 

 Spiriferina, 248, 319, 350 

 Spirorbis Limestone, 297, 298, 



301 



Spirulirostra, 576 

 Spitzbergen, 459 

 Spondylus, 410, 496 

 Spongiostroma, 182, 183 

 St. Alban's Head, 444, 445 

 St. Bees, 337, 359 

 St. Cassian Beds, 373, 385 

 St. David's, 79, 116 

 St. Erth Beds, 595 

 St. Etienne, 315 

 St. George's Land, 282 

 St. Lo, schists of, 60, 100 

 St. Ouen, Calcaire de, 554 

 Stachyodes, 195 

 Staddon Grits, 204 

 Staffordshire, Carboniferous 

 of, 255, 296, 297, 298, 299 



Permian of, 328 



Silurian of, 167 



Trias of, 356, 363 

 Stampian stage, 556, 566 

 Starfish Bed, 398 

 Start Point, 59 

 Stauria, 156 

 Staurocepkalus, 110, 115 

 Stauronema, 466 

 Stavelot, 101 

 Steneosaurus, 434 

 Stenometopon, 369 

 Stenotheca, 73, 104 

 Stephanian Series, 245, 313, 



320 



Stepheoceras, 411 

 Stereognatkus, 415 

 Stigmaria, 226, 288, 322 

 Stiper stones, 128 

 Stobbs, J. T. , 255 

 Stockdale Shales, 174 



Stomechinus, 410 

 Stonesfield Beds, 425 

 Stonehaven, 97 

 Stotneld, 369, 429 

 Straiton Beds, 177 

 Stralian, A., 110, 230, 255, 



481, 629 



Stramberg Limestone, 454 

 Straparollus, 196, 249 

 Strata, relative age of, 2, 3 

 Strathmore, 232 

 Stratigraphical Breaks, 7 

 Stratiotes, 578 

 Street, 397 

 Strepsodus, 292 

 Streptospondylus, 410 

 Stricklandia, 156, 157, 160 

 Stringocephalu-s, 195 

 Stroboceras, 249 

 Stromatopora, 156, 195 

 Stromatoporella, 195 

 Stromatoporoids, 181, 189, 



190, 207, 217 

 Strombodes, 160 

 Stropkalosin, 195, 326, 327 

 Strophodus, 410 

 Strophmnena, 110, 156, 159 

 Strophonella, 159, 162 

 Stur, D., 280, 312 

 Stylastrea, 385 

 Stylina, 410 

 Styliola, 208 

 Stylodon, 434 

 Subidites, 158 

 Succession of strata, 3 



,, of faunas, 21 

 Suessonian, 549, 555 

 Suess, E., 585 

 Suffolk, 593, 596 

 Superga Beds, 583 

 Surrey, 477 

 Sussex, 508, 540 

 Sutherland, 36, 96, 403, 404 

 Sutton (Glamorgan), 397 

 Sutton (Suffolk), 505, 596 

 Swabia, 407, 431, 453 

 Swagerina, 319 

 Swanage, 448, 476, 503 

 Swansea, 307 

 Sweden, 64, 65, 103, 146, 181, 



407, 516, 647 

 Swindon, 447, 449 

 Switzerland, rocks of, 62 



,, glaciers of, 037 

 Sycum, 528 

 Synchronism, 23 

 Synocladia, 327 

 Syringopora, 195, 247 

 Syringothyris, 246 

 Syringothyris zone, 253, 259 

 Systems, definition of, 10, 12 



Tceniopteris, 315, 350 



Tancredia, 385 



Tanne and Tannenthal, 185 



Taplow, 510 



Tarannon Shale, 152, 155, 162, 



168 



Tate, G., 263, 512 

 Tatra district, 408 



Taunus quartzite, 216, 220 

 Taxocrinus, 195 

 Taxodium, 574 

 Tealby Beds, 484, 486 

 Teall, J. J. H., 39 

 Teignmouth, 333 

 Teilia Beds, 255 

 Telacodon, 466 

 Teleostean fish, 347 

 Teleosaurus, 410, 434 

 Telerpeton, 353 

 Tellina, 576 

 Temnechinus, 589 

 Temnocheiius, 249, 327, 349, 



371 



Tempskya, 471, 475 

 Tentaculites, 115 

 Teratosaunis, 352 

 Terebratella, 385 

 Terebratula, 195,350, 371, 412, 



413, 589 



Terebratuliiia, 410, 451 

 Terebrirostra, 4(56 

 Tertiary time, 5, 526 

 Tetractinella, 350, 351 

 Tetragraptus, 110, 111 



,, Beds, 117, 131 

 Teutoburger Wald, 407 

 Text-books on Geology, 28 

 Tlialassiceras, 344 

 Thame, 447 

 Thames valley, 641 

 Thamnastrea, 350, 385 

 Thanet Beds, 527, 5.15 

 Thanetian stage, 527, 549, 



551 



Thecia, 156 

 Thecidium, 385, 516 

 Thecodontosaurus, 352, 366 

 Thecosmilia, 350, 385, 435 

 Thecospira, 350 

 Thelodus, 158, 162 

 Theridomys, 529 

 Thetironia(= Thetis), 466 

 Thonschiefer, 62, 64 

 Thornhill basin, 338 

 Thracia, 350, 364, 385, 436 

 Thurgarton, 298 

 Thuringia, 185, 280, 342, 370 

 Thuringian stage, 225, 334, 



342 



Thurslus, 226 

 Tlmrso Beds, 236 

 Thyle valley, the, 101 

 TiarechiiMS, 350 

 Tilgate Forest, 475 

 Till, 619, 620 

 Tirolites, 349 

 j Tithonian stage, 454 



Toarcian stage, 383, 405, 406, 



408, 457 



Tobermory, 403 

 Todites, 414 

 Tomichia, 559 

 Tongrian, 550, 563 

 Topley, W., 450 

 Tornebohm, A. E., 67, 68 

 Tornoceras, 196 

 Torquay, 204, 206, 207, 644 

 Torridonian Series, 36, 38, 44 



