Valleys, how crooked rivers broaden them, [82]
Venus (planet), [6]
Vesuvius, why it seems to smoke but doesn't, [126], [127]
Volcanoes, what they tell about the inside of the earth, [3];
why volcanoes were more numerous in early days, [16];
difference between ordinary mountains and volcanic mountains, [114], [123];
the volcanic mountains in the Sahara and the "Baths of the Damned," [165];
the blue lake in the volcano's mouth, [194];
volcanoes and "the fire from heaven" in the Bible story of Lot, [209];
how volcanic explosions help to cause transgressions of the sea, [219];
Mr. Vulcan's famous castle on the Hudson, [241]
Vulture, his wonderful abilities as a flying machine, [182]
Wasp, desert, how it disposes of the tarantula, [181]
Waterfalls, how the Old Men of the Mountain put them in for New England, to make up for carrying her farms away, [31];
how they set Niagara Falls up in business and started the thousand-year time clock, [35], [36];
why the Bridal Veil Falls in the Yosemite has to jump to catch the train, [74];
why waterfalls are found only in young streams and oftenest near the source, [76]
Water Gaps, how the rivers cut them with the help of pebbles, [85]
Weathering, examples of, [33], [60], [97], [147], [228], [229], [231], [241], [243], [248]
Wind, how it helped carve the "Temple of the Winds," [33];
how it helps make pillars for perched rocks, [60];
how it helped carve the strange old Indian of Mt. Abu, [147];
how it helps the desert in trade-marking its sand, [173];
the wind witches of the Steppes, [178];
why lake wind storms are particularly dangerous, [202];
the winds and the night storms on the Sea of Galilee, [202];
how winds help fill up the sea, [219];
stone autographs of ancient breezes, [247];
pebble faceted by wind-blown sand, [252];
wind ripples, [248]