On the Reason why the Difference of Reading between a Thermometer exposed to direct Sunshine and one shaded diminishes as we ascend in the Atmosphere.-Phil. Mag., March, 1867. On the Change in the Obliquity of the Ecliptic; its Influence on the Climate of the Polar Regions and Level of the Sea.-Trans. Geol. Soc. of Glasgow, vol. ii., p. 177. Phil. Mag., June, 1867. Remarks on the Change in the Obliquity of the Ecliptic, and its Influence on Climate.-Phil. Mag., August, 1867. On certain Hypothetical Elements in the Theory of Gravitation and generally received Conceptions regarding the Constitution of Matter. Phil. Mag., December, 1867. On Geological Time, and the probable Date of the Glacial and the Upper Miocene Period.-Phil. Mag., May, August, and November, 1868. On the Physical Cause of the Motions of Glaciers.-Phil. Mag., March, 1869. Scientific Opinion, April 14th, 1869. On the Influence of the Gulf-stream.-Geol. Mag., April, 1869. Scientific Opinion, April 21st and 28th, 1869. On Mr. Murphy's Theory of the Cause of the Glacial Climate.— Geol. Mag., August, 1869. Scientific Opinion, September 1st, 1869. On the Opinion that the Southern Hemisphere loses by Radiation more Heat than the Northern, and the supposed Influence that this has on Climate.-Phil. Mag., September, 1869. Scientific Opinion, September 29th and October 6th, 1869. On Two River Channels buried under Drift belonging to a Period when the Land stood several hundred feet higher than at present. -Trans. Geol. Soc. of Edinburgh, vol. i., p. 330. On Ocean-currents: Ocean-currents in Relation to the Distribution of Heat over the Globe.-Phil. Mag., February, 1870. On Ocean-currents: Ocean-currents in Relation to the Physical Theory of Secular Changes of Climate.-Phil. Mag., March, 1870. The Boulder Clay of Caithness a Product of Land-ice.-Geol. Mag., May and June, 1870. On the Cause of the Motion of Glaciers.-Phil. Mag., September, 1870. On Ocean-currents: On the Physical Cause of Ocean-currents. Examination of Lieutenant Maury's Theory.-Phil. Mag., October, 1870. On the Transport of the Wastdale Granite Boulders.—Geol. Mag., January, 1871. On a Method of determining the Mean Thickness of the Sedimentary Rocks of the Globe.-Geol. Mag., March, 1871. Mean Thickness of the Sedimentary Rocks.-Geol. Mag., June, 1871. On the Age of the Earth as determined from Tidal Retardation. -Nature, August 24th, 1871. Ocean-currents: On the Physical Cause of Ocean-currents. Examination of Dr. Carpenter's Theory. -Phil. Mag., October, 1871. Ocean-currents: Further Examination of the Gravitation Theory. -Phil. Mag., February, 1874. Ocean-currents: The Wind Theory of Oceanic Circulation.Phil. Mag., March, 1874. Ocean-currents.-Nature, May 21st, 1874. The Physical Cause of Ocean-currents.-Phil. Mag., June, 1874. American Journal of Science and Art, September, 1874. On the Physical Cause of the Submergence and Emergence of the Land during the Glacial Epoch.-Geol. Mag., July and August, 1874. 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 when perfectly dry incapable of ab- Airy, Professor, earth's axis of rotation per- Aitken's, Mr., experiment on density of polar Aland islands, striation of, 447 thickness of ice-sheet of North, 381 Antarctic regions, mean summer temperature Antarctic ice-cap, probable thickness of, Arctic, warm inter-glacial periods in, 258-- 265 state of, during glacial period, 260 293 warm climate during Old Red Sand- ,, glacial period during Carboniferous age 99 warm climate during Permian period in, 301 list of papers relating to, 558 Arctic regions, influence of Gulf-stream on Arctic climate, influence of ocean-currents 99 great depth of warm water in, 198 probable antiquity of, 367 warm periods best marked in, 258 from Scandinavia to Greenland pro- Bath, grooved rock surfaces of, 464 Bay-ice grinds but does not striate rocks, Belcher, Sir E., trec dug up by, in latitude carboniferous fossils found in arctic Belle-Isle, Strait of, observations on action of Bell, Mr. A., on Mediterranean forms in Belt, Mr. Thomas, theory of the cause of Bennie, Mr. James, on surface geology, 468 on deposits filling buried channel, 486 Borings, evidence of inter-glacial beds from, 254 examination of drift by, 467 Boulder clays of foriner glacial epochs, why a product of land-ice, 284 if formed from icebergs must be strati- scarcity of fossils in, 285 formed chiefly from rock on which it of Caithness a product of land-ice, 435 on summit of Allermuir, 441 Boulders, how carried from a lower to a higher level, 527 Buchan, Mr., on atmosphere-pressure in the on force of the wind, 220 Buchanan, Mr. J. Y., on vertical distribution Buckland, Dr., observations by, on occurrence channel from Kilsyth to Grangemouth, 468 AITHNESS, difficulty of accounting for Caithness, boulder clay of, a product of land- boulder clay not formed by icebergs, 437 theories regarding the origin of the why the ice was forced over it, 444 Professor Geikie and B. N. Peach on Cambrian conglomerate of Islay, 292 Campbell, Mr., observations of, on icebergs, 276 on supposed striation of rocks by large evidence that river-ice does not striate Canada, change of climate less complete than Carboniferous period of arctic regions, 298 298 Carse clays, date of, 405 Cattegat, ice-markings on shore of, 446 Chalk, erratic blocks found in, 304 ,, débris, conclusion of Mr. Searles Wood, 460 Challenger's temperature-soundings at equa- crucial test of the wind and gravitation Chambers, Dr. Robert, on striated pave- observations on glaciation of Gothland, |