Mountain lakes, the blue lake in the volcano's mouth, [195];
why mountain lake storms are particularly dangerous, [202];
and why they are apt to come at night, [202]

Mountain meadows, how rapidly their flowers follow the snow, [44]

Mount Fujiyama, its striking resemblance to a mountain 3,000 miles away, [124]

Mount Hermon, its spring that gives birth to the Jordan, [73]

Mount McKinley, remarkable snap-shot of one of its avalanches, [63]

Mount Pelée, its discharge of huge rocks and whirling bombs, [129];
the mysterious shaft that rose and fell, [132]

Mount Ritter, its resemblance to the sacred mountain of Japan, [124]

Mount Shasta, how it gives birth to a river that has no babyhood, [73];
how the mountain itself was born at the crossroads and why this is apt to happen in the case of volcanic mountains, [127]

Mount Vesuvius, why, like other active volcanoes, it seems to smoke but doesn't, [126], [127]

Mount Washington, its interesting colony of descendants of butterfly pilgrims of the Ice Age who missed the train, [48]