the movements of areas of plus and minus temperature departures. The agreement between conditions over broad geographic areas leads him to a belief in extra-terrestrial control. It is clear that great interest attaches to the whole question of variations in climatic conditions. When the facts of such oscillations, and the laws which govern them, are accurately determined, long-range forecasts will become possible which will be of incalculable benefit to man. Davis (W. M.), on Bosnian farm- wind zones, 30-32 Death-rates, tropical, 183-185 De Candolle (A.), on plant zones, Dengue, 200-201 Desert climates, 35, 42, 43 Deserts, life of man in temperate of sand and of snow, 335, 337 Dexter (E. G.), on mental effects Discovery expedition, 174, 176 -tropical, 186-201 Drygalski (E. von), on rain in Dwellings in polar zones, 329–330, -tropics, 235-236 E Eiffel Tower, temperature, 49, 50 -forests, life of man in, 243-251 F Foehn, 53, 54, 167-168, 310 |