Sandstone, its place in the rock-milling system of the sea, [227]

San Francisco Bay, how it was made, the two rivers that opened its Golden Gate, [222]

Saturn (planet), [5], [6]

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]