

Of 



: - 



•517 



•31 



,r ice. 



ta -320 



• 573 



y 



occa- 



!mud, 



? 



ell, 459 



?rtiary 









503 



508 





issipP^ 



35/ 



Br^ 



■sb 



INDEX. 



CG9 



■ 





smv 



s 



Smyth, Admiral, on depth and currents of 



Mediterranean, 561—564 

 _ — — temperature of Mediterranean, 65 



depth of Mediterranean, 429 



Snascs of the Mississippi River, 446 

 Snow, evaporation of, in dry air, 286 



— impeding radiation of heat, 284 



— line at equator, 248 



— limit of perpetual, 367 

 Solar tide, comparatively small, 110 

 Solar, magnetic periods, 303 

 Soldani on microscopic shells of the Medi- 

 terranean, 65 



Paris basin, 65 



Solfatara, Lake of the, 404 



— extinct volcano of, 602 

 Somersetshire, submarine forest on coast of, 



Somma, Mount, supposed recent fossil shell 



of, 637 



— slope of escarpment of, 631 



— formed like Vesuvius, 637 

 Sorbotme, College of the, 58 



Southern hemisphere, cold of, due to geo- 

 graphy, 277 

 South Georgia, climate of, 240 

 Space, temperature of, 278 

 Spadaon origin of marine fossils, 51 

 Species, theories on ems of creation of, 22 



— gradual change of, in successive strata, 311 



— rate of change in, available in geological 



chronology, 300 

 Spontaneous generation, theory of, 34 

 Spratt, Captain, on depth and temperature 



of Mediterranean, 562—564 

 Springs, ferruginous, 410 



— brine, 410 



— carbonated, of Auvergne, 411 



— siliceous, of Azores, 408 



— origin of, 387 



— of petroleum, 413 



— temperature of, raised by earthquakes, 



395 



— hot, abundant in volcanic regions, 394 



— calcareous, 399 



— sulphureous and gypseous, 408 



— thermal, of Bath, 398 

 Stabise, buried city of, 651 



Stanley, Hon. "VV., on head of mammoth in 



sunk peat-bed, 545 

 Stars, variable splendour of, 303 



— heat of the, compared to that of the sun, 



279 

 Staveren, formation of Straits of, 553 

 Steno, advanced theories of, 36 

 Stereognathus, jaw of, from Stonesfield, 160 

 Stevenson, Mr., on waste of cliffs, 546 

 Stone, E. T., on former excentricitics of the 



earth's orbit, 292 

 Stone Age, climate of, 176, 193 

 Stonesfield, fossils of, 161 

 Storms, effects of, on beach, 535 

 Strabo cited, 427, 430 



— theory of, 23 



TER 



Strabo on mud raising the bed of Euxine, 23 

 Strachey, Colonel, on delta of Ganges, 482 

 Strata contorted by ice, 383 



— consolidation of, 140 



— table of fossiliferous, 139 



— examples of curved and horizontal, 315, 



316 



— ancient, submerged, and therefore inac- 

 cessible, 156 



Stratifications in deltas, causes of, 4S8 

 Stratitications of debris deposited by cur- 

 rents, 489 

 Stufas, jets of steam in volcanic regions, 394 

 Subapennine strata, climate of, 199 



Submergence, proofs of, in Secondary and 



Primary rocks, 255 

 Subsidence, great areas of, lol 

 Subterranean changes unseen by us, 99 



— movements, gradual development of, 119 

 uniformity of, 315 



Suffolk, cliffs undermined, 519 

 Sulphuric acid, lake of, in Java, 589 

 Sulphureous springs, 408 

 Sumatra, linear arrangements of volcanos 



in, 590 

 Summer's heat in perihelion counteracted 



by melting of snow, 271 



— cold in aphelion of extreme excentricity, 



2S1 

 Sunda, Isles of, volcanic region of, 585 

 Sunderbunds, part of delta of Ganges, 471 

 ' Sunk country ' of the Mississippi, 456 

 Superga, Miocene erratic blocks of, 206 

 Superior, Lake, deltas of, 421 

 Surturbrand of Iceland, 202 

 Sussex, waste of coast of, 530 

 Sutlej, River, fossils near, 10 

 Swanage Bay excavated by sea, 531 

 ' Swatch' in the Bay of Bengal, 475 

 Sweden, rise of land in, 314 

 Sykes, Colonel, on rainfall in India, 330 

 Syria, earthquakes in, 594 



TABLE of fossiliferous strata, 139 

 Table of varying excentricities of earth's 



orbit, 293 

 Talus of Monte Nuovo, 615 

 Targioni on geology of Tuscany, 59 

 Tay, estuary of, encroachment of sea in, 508 

 Taylor on waste of Norfolk coast, 513 

 Temperature, formula for computing, 294 



— how far shown by extinct orders and 



genera, 215 



— lowered by fog and melting of snow, 271 



— effects of currents in equalising, 243 



— of Glacial period, 288 



space, 278 



supposed variations in, 301 



Terraces of Lake Superior, 421 

 Terrestrial changes, the system of, 325 

 Tertiary formations, geographical changes 



implied by, 251 



fossils of the newest, 311 



fossil mammals of successive, 160 



