Syria, civilization in, 67; inscriptions in, 76; Roman aqueducts in, 71.
Temperature, change of in Atlantic, 174; changes in, 93; climatic change and, 49; critical, 9; geological time and, 3; glacial period, 38; glaciation and, 42, 132, 139; gradient of earth, 213; of ocean, 180; in Norway, 177; in Permian, 146 f.; in Proterozoic, 146 f.; limits, 6 ff.; precipitation and, 94; range of, 3, 8; solar activity and, 140; storminess and, 94, 112, 173; sunspots and, 28, 173; volcanic eruptions and, 46; zones, 172.
Terrestial causes of climatic changes, 188-214.
Tidal effect, of Jupiter, 253; of planets, 244.
Tidal retardation, effect on land and sea, 191; rotation of earth and, 18 f.; stress caused by, 310.
Tree growth, periodicity in, 245; rainfall and, 79.
Trees, in California, 219; measurement of, 73 ff.
Tropical cyclones, in glacial epochs, 140 f.; occurrence, 148; solar activity and, 113.
Tropical hurricanes, earthquakes and, 300; sunspots and, 149.
Typhoon region, "earthquake weather," 298.
United States, rainfall and temperature in Gulf region, 93 f.; salt lakes in, 142; southwestern, climate, 66; storminess, 53 f., 60.
Vegetation, theory of pulsations and, 90.
Vicksburg, Miss., rainfall and temperature, 93 f.
Volcanic activity, climate and, 210; movement of the earth's crust and, 285; times of uplifting lands and, 23.
Volcanic hypothesis, climatic change and, 45 ff.; snow line, 139.
Water vapor, condensation of, 56; effect on life, 231; in atmosphere, 19.
Weather, changes of, 31 f.; origin of, 174; variations, 52.
Winds, at ice front, 162; effect on currents, 174; glaciation and, 133; in Antarctica, 161; in glacial period, 119; in Greenland, 161; planetary system of, 174; velocity, 240.
Yucatan, Maya civilization, 26, 107; rainfall, 108; ruins, 95.
End of the Project Gutenberg EBook of Climatic Changes, by Ellsworth Huntington and Stephen Sargent Visher