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 Wren, desert, how she locks her front door against her bad neighbors, 177 Wyoming, the ancient bones found in its soil and the wonderful story they told about horses, 266 Xenophanes, the wise old Greek who first suggested that the mountains had risen out of the sea, 13 Yosemite Valley, why the rivers of the little valleys have to jump to catch the train, 74 * * * * * Transcriber Note Minor typos corrected. Paragraph break inserted at the top of page 116 to accommodate placement of image related to the text therein. In the original book, Mt. Fujiyama and Mount Rainier were on page 124 and 125 respectively with the caption spanning the two pages. The words "top" and "bottom" were substituted for "left" and "right" respectively for their orientation here. Also, the caption has been updated to say "FOUR THOUSAND".