Lakes, the Ice Age lake and the "Temple of the Winds," 33; how the Ice Age glaciers made the Great Lakes, 34; how they helped Lake Erie in making Niagara Falls, 36; the sleep of lakes and how it brightens them up, 80; how Mirror Lake shows Mount Rainier how beautiful he is, 130; how, with Jack Frost's help, lakes build boulder walls, 134; the empty lake beds of the desert, 162; "trade-marks" on lake-shore sand, 173; how lakes are born, 192; moods of lakes, 198; why the ducks overlook some lakes, 198; where mountain lakes get their coloring, 199; sympathetic action of sister lakes, 200; how some lakes act as barometers, 201; tides in lakes, 201; why lake storms are particularly dangerous, 202; peculiarity of storms on the Sea of Galilee, 202; and of storms on mountain lakes, 203; how lakes grow old and pass away, 204; why lilies come to dying lakes, 204; the procession of the trees to the margins of dying lakes, 204; why they have a regular marching order, 204; the Dead Sea and how it died, 205; what science says of the legend of Sodom and Gomorrah, 209; "Lot's Wife" as she looks to-day, 210; records of ancient weather on the walls of Great Salt Lake, 249; how the Great Lakes were tipped up and how they tell about it, 253 Lake Agassiz, a great lake of yesterday which could swallow all the Great Lakes of to-day, 193 Lake Baikal, its great depth, 193 Lake Erie, how the glaciers helped it make Niagara Falls, 36 Lake Superior (size), 193 Laplace, his great theory of the origin of worlds, 4 Lapland, strange stories its butterflies tell, 48 Laurentian Highlands, how they rose out of the sea, 9 Lava, how it makes dikes and what a New York City dike has to say about the origin of marble, 97, 241; how lava plays "grandfather" in the Porphyry family, 102; lava and the flame effects on volcanic clouds, 126; lava plains, 126; how lava helps raise the fine fruit and wheat of Washington and Oregon, 128; how it increases the violence of delayed volcanic explosions, 130; the lava and the "fire from heaven" in the story of Lot, 209; the iron wall near Spanish Peaks, 235; remarkable architecture of the Giant's Causeway, 243; theory as to what makes the lava climb, 244 Libyan desert, Greek myth as to its origin, 2 Limestone, how it turns to marble, 97, 104; how the shelled creatures of the sea help make it, 101; the "Marble Rocks" at Jabalpur, 105; the place of limestone in the rock-making system of the sea, 227; limestone and the story marble tells of mountain making, 237, 239 Little Round Top (Mt.), the battles that rounded it, 248 Lizards, varieties in the Arizona desert, 181 London, how it owes its greatness to the transgressions of the sea, 224 Los Angeles River, how one of its tributaries plays hide-and-seek, 80