Chapter I

Ice, structure of, 35, 36, 119;
towers of, 104;
sea, 132-134;
retreat of, 145;
development in the Alps of, 150;
freezing of pieces of, 164;
liquefaction by pressure of, 108, 160;
translucent, 177;
difference between hard and soft, 87.
Icebergs, of arctic seas, 133;
described by Sir Leopold McClintock, 133, 134;
drifting of, 134;
origin of, 134;
of Switzerland, 136-138;
colors of, 138;
formation of chains of, 165.
Ice-lens, concentration of sun's rays by means of, 37.
Ice-river through the vale of Hasli, 146.
Icicles, 99;
how produced, 100;
a theory of, 100-102
Imagination, scientific use of, 34.
Impurities thrust out by glaciers, 144.
Infinite Wisdom, designs of, 124.

J

Jardin, description of, 53.
Jungfrau, 136, 137.

K

Killarney, luxuriant vegetation of, 27, 151.