Sea, when the seas were all in the sky, 16; how its stratification of rock helped build the "Temple of the Winds," 33; the Alps, like sea waves turned to stone, 50; how the sea flows into the rivers, the endless circuit of the waters, 66; why the rivers always get back to sea, 75; how the pebbles help feed the sea fish and furnish material for the sea's rock mills, 81; the Grand Canyon and the ancient sea, 88; how the sea helps Mother Nature do the work in her rock cookery, 99; why volcanoes and mountains border the sea, 133, 134; why sea waves rise to greet the mountains, 139; how sea sand grains differ from those of the desert, 173; the rock mills of the sea, method in the madness of the on-shore waves, 212; why the sea's chief business at first seems to be that of eating us up, 213; the sea in literature and art, 213; England's heavy losses to the sea, 214; how helpless the Old Man of the Sea is without his tools, 215; how he uses the stone-throwing engines and the battering-ram of the Romans, 216; what he knows about wedges and pneumatic tools, 216; the hidden enemies in the rocks of the sea, 216; planing-mills of the winter seas, 217; how stones are carried out to sea, 218; how the sea has shaped Europe, 219; the sea as a builder, why Father Neptune is like Old King Cole, 220; harbor engineering of the rivers and the sea, 221, 222; how the sea helped teach shore engineering to man, 223; how it has helped make London, New York, and other great cities, 223, 224; how Father Neptune feeds the coral people, 225; the art work of the sea, 227, 228; Nature's building blocks and the sea, 228; the ups and downs of Europe's mountains under the sea, 230; how sea tides help in recording rain-drop marks in stone, 244 Sea caves, what they told about how the continents came up out of the sea, 14 Sea of Galilee, why its storms come so suddenly and usually at night, 202, 203; how the pebbles on its shores tell that these storms are severe, 203; why it parted company with the Dead Sea, 206 Sea-shells, how some of them tell how marble is made, 100 Seismograph, the device for getting the autograph of earthquakes, 240 Shakespere, how he emphasizes the rough side of Father Neptune's nature, 213; on the man and the swallowing waves, 219; his reference to the greatness of Mr. Cæsar, 252 Shaler, Dr., on the stone autographs of rain-drops, how they throw light on the climate of ancient days, 246 Shasta River, why it is born partly grown, 73 Sierra Nevada Mountains, Muir on how the snowflakes helped carve them, 37 Silica, its use by Mother Nature in making sandstone, grass, wheat, and corn, 99 Slate, and the Fairyland of Change, 98; its place in the rock mills of the sea, 227; ancient autographs found in slate, 245