Publisher's Synopsis
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1875 edition. Excerpt: ... INDEX. amount of heat received from the sun per day, 26 Adhtfmar, M., theory founded upon a mistake in regard to radiation, 81, 85 on submergence, 368 on influence of eccentricity on climate, 542 Aerial currents increased in action by for- mation of snow and ice, 76 function of, stated, 51 heat conveyed by, 27 Africa, South, glacial and inter-glacial pe- riods of, 242 boulder clay of Permian age, 300 Age and origin of the sun, 346 Air, on absorption of rays by, 59 when humid, absorbs rays which agree with it in period, 59 when perfectly dry incapable of ab- sorbing radiant heat, 59 Airy, Professor, earth's axis of rotation per- manent, 7 Aitken's, Mr., experiment on density of polar water, 129 Aland islands, striation of, 447 Alternate cold and warm periods, 236 Allcrmuir, striations on summit of, 441 America, low temperature in January, 72 thickness of ice-sheet of North, 381 Anderson, Captain Sir James, never observed a stone on an iceberg, 282 Antarctic regions, mean summer temperature of, below freezing-point, 63 Antarctic ice-cap, probable thickness of, 375 diagram representing thickness of, 377 thickness of, estimated from icebergs, 384 Antarctic snowfall, estimates of, 382 Aphelion, glacial conditions at maximum when winter solstice is at, 77 Arago, M., on influence of eccentricity on climate, 536 Arctic climate, influence of ocean-currents on, during glacial period, 260 Arctic regions, influence of Gulf-stream on climate of, 45 mean summer temperature of, 63 Arctic regions, amount of heat received by, per unit surface, 195 warm periods best marked in, 258 warm inter-glacial periods in, 258--265 state of, during..."
