INDEX. 





Romans, renalns of th?, 

 Romney Marsh, 145 

 Rosebridge cjlhery, 200 

 Rust, 75 



276 



Sahara, desert of, 308 

 Sahsbury Plain, 2^0 

 '' Salses." 2Q2 

 Salt lakes, 307 

 Salts, 116, 124, 128 

 Sand, 132 

 Scale of maps, 11 

 Scoria. 192 



Sea, the, distillati'n of fresh water from. 

 73 



water of, 127 



evaporation from, 129 



work of, 166 



temperature of, 177 



level of, iSo, 211 



s'jundings in, 301 



curvature of, 319 

 Sea-anemones, 247 

 Sea-bottom, 217, 260, 291, 302 

 Saathwaite, rainfall at, 46 

 Secondary series, 290 

 Seismology, 188 

 Selenite, 120 



Serapis, Temple of, 206, 207 

 " Serein," 41 

 Seven Springs, 35. 36 

 Severn, the, 17, 180, 298 

 Shell deposits, 282 

 Sheppey, Isle of, 170, 229, 288 

 Shetlands, the, 301 

 Ships at sea, appearance of, 319 

 S.dereal time, 341 

 SigillaridB, 237 

 Silica, 132 

 Skaptar Jokull, 192 

 Sky, the, 43 

 Sleet, 63 



Snow, 55, 61. 63. 67, 154 

 Sn")w -crystals, 61 

 Snow-line, 64, 163 

 Sn-'wdon. 58 

 Sodium, 107 

 Solfatara, the, 202 

 Solstices, 352, 353 

 Sounding, 261, 301 

 Specific gravity, 85 

 Spectrum analysis, 368 — 373 

 Sphagnum, 233 

 Sporangia, 241 

 Spores, 240, 241 

 Springs, 21-38 



petrifying, 120 



chalybeate, 124 



hot, 202 

 Spring-water. 118, 124 

 Stabise, 197 

 Staffjrdshire, South, 243 



Stalactites, 122 



Stalagmites. 122 



Steam, 39, 86, 105 



Stereograph'.c projection, 332 



Stigmarias, 236 



Strata, 24, 214 



Sun, the, 349. 350, 359—377 



Sun-spots, 362 



Switzerland, 59, 163 



Synthesis, iii 



Syreford spring, 36 



Teddington, 2 — 4, 15, 73, 128 

 Temperature, rise and fall of, 41 



wth regard to evaporation, 68 



of the sea, 177 



below surface of earth, 199, 200 

 Tertiaries, Ljwer London, 32, 213, 273. 



280 

 Tertiary series, 290 

 Thame, the, 5, 120 



Thames, the, at London Bridge, &c., i. 

 125, 130, 180 



tides of, 2, 375 



sources of, 3, 73, 375 



map of, 6, II 



fall of, 15 



valley gravel of, 28, 278 



rainfall of. 46 



as affected by atmosphere. 99 



origin of, 114 



impurities of, 115, 126 



mineral matter in, 126 



saltness of, 128 



alluvial meadows along, 142 



no true delta formed by, 147 



solid matter carried to sea by, 148 



ground-ice in, 153 



estuary of , 169, 181, 182, 212, 246 



rocks beneath, 204, 205 



ancient forests and peat in bed of, 212, 

 234 



fossils from cl.ffs along, 229 

 I'hames Basin, 15, 20 



springs in, 27, 38, 126 



area of, 35 



rainfall of, 46, 65, 73 



gravel in, 132 



work of rain and rivers in, 139 



effect of denudation on, 148 



effect of ice in, 165 



marine waste in, 169 



formerly beneath the sea, 205 



geological structure of, 272, 377 



fauna of, 282 



past history of, 297 

 Thames and "Severn Canal, 37 

 Thames Head, 14, 36, 37, 118, 120 

 Thames Valley, 15. 219 

 Thanet, Isle of, 145 



