Folds, how the story of the crumpling of mountains is told in the veins of marble, [237]
Fossils, how they help tell the story of marble, [100]
Frost, how it helped build the stone "Temple of the Winds," [33];
how it builds boulder walls, [154]
Fujiyama, Mt., why it resembles Mount Rainier, [124]
Galileo, and the discovery that there are worlds of worlds, [4]
Geikie, on the conglomerate boulder as an historian, [230]
Geodes, Nature's pebble jewel boxes and how they are made, [101]
Geography, when all our geography was at the bottom of the sea, [8];
how they study geography in Boston on rainy days, [68]
Geysers, and the geyser basins, [165]
Giant's Causeway, its architecture, [243]