Chapter V

Valley, of Hasli, 146, 147;
Black, 151.
Vapor, in the atmosphere, 5.
Viscous theory, advocated by Prof. Forbes, 161;
rejected by M. Agassiz, 162.

W

Water, changes of volume of, 118-122;
maximum density of, 120;
effects of expansion of, 121;
not a solitary exception to general law, 124;
molecular expansion of, 125-127;
temperature necessary to freeze the sea, 132;
special solidifying power of, 173;
freezing-point of, 168.
Waves, of light, 8-11, 127;
length of, 12;
of heat, 12.
Whiteness of a clean glacier, 43, 176;
of Märgelin See, 138, 176;
of snow, 176;
of ice formed in freezing mixtures, 177.

THE END.

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Transcriber Note

On page 61 (153), Principal was changed to Professor. Minor typos were corrected. Some images were moved to avoid splitting paragraphs.