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style=margin-left:2em; text-indent:-2em * Scorpions, cannibals, 165
 * Scoresby, Mr., on effects of snow on rocks, 318
 * Scrope, Mr., on earthquakes, 352
 * Scytalopus fuscus, 237, 289
 * Sea, open, inhabitants of, 162
 * , phosphorescence of, 162
 * , distant noise of, 29.5
 * Sea-pen. habits of, 99, 202
 * Sea-weed, growth of, 239
 * Seals, number of, 284
 * Seeds transported by sea, 392, 454
 * Serpulæ, protecting reef, 498
 * Shark killed by Diodon, 14
 * Shaw, Dr., on lion's flesh, 116
 * Sheep, infected, 436
 * Shelley, lines on Mont Blanc, 168
 * Shells, land, in great numbers, 347
 * , at St. Helena, 488
 * Shells, fossil, of Cordillera, 321
 * of Galapagos, 390
 * elevated, 83, 130, 171, 254, 344, 369
 * , tropical forms of, far south, 243
 * , decomposition of, with salt, 369
 * Shepherd's dogs, 149
 * Shingle-bed of Patagonia, 75, 171
 * Siberia compared with Patagonia, 67
 * , zoology of, related to North America, 132
 * Siberian animals, how preserved in ice, 250
 * , food necessary during their existence, 89
 * Silicified trees, 333, 353
 * Silurian formations at Falkland Islands, 196
 * Silurus, habits of, 136
 * Skunks, 80
 * Slavery, 20, 24, 499
 * Smelling power of carrion-hawks, 184
 * Smith, Dr. Andrew, on the support of large quadrupeds, 85
 * , on perforated pebbles, 149
 * Snake, venomous, 96
 * Snow-line on Cordillera, 244, 322, 325
 * Snow, effects of on rocks, 318
 * , prismatic structure of, 325
 * , red, 322
 * Society, state of in La Plata, 41, 157
 * Society, state of, in Australia, 443
 * Archipelago, 402
 * , volcanic phenomena at, 475, 481
 * Soda, nitrate of, 362
 * , sulphate of, 78
 * Soil, frozen, 88, 248
 * Spawn on surface of sea, 17
 * Species, distribution of, 131, 363
 * , extinction of, 174
 * Spiders, habits of, 35–38
 * , gossamer, 159
 * killed by and killing wasps, 35 to 37
 * on Keeling Island, 456
 * on St. Paul's, 10
 * Springs, hot, 263
 * Stevenson, Mr., on growth of seaweed, 239
 * Stinging animals, 464
 * St. Helena, 486
 * , introduction of spirits into, 412
 * Fé, 129
 * Jago, C. Verds, 1
 * , unhealthiness of, 366
 * Jago, Chile, 262
 * Maria, elevated, 307, 310
 * Paul's rocks, 8
 * Stones perforated, 149, 267
 * transported in roots, 461
 * Storm, 217, 281
 * in Cordillera, 324, 360
 * Streams of stones at Falkland Islands, 197
 * Strongylus, 32
 * Struthio Rhea. 4.3, 89
 * Darwinii, 92
 * Strzelecki, Count, 448
 * Suadiva atoll, 466
 * Subsidence of coral reefs, 467 to 482
 * of Keeling Island, 475
 * of Patagonia, 172
 * of coast of Peru, 369
 * of Cordillera, 321, 333
 * of Coasts of Chile, 344
 * of Vanikoro, 475
 * of coral reefs great in amount, 479
 * , cause of distinctness in Tertiary epochs, 344
 * Sulphate of lime, 66, 171, 369
 * soda incrusting the ground, 78