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according actually amount appears arctic assume Atlantic become beds bottom boulder clay cause circulation climate cold column conclusion condition consequently consider considerable continue course covered deposits depth descend difference direction earth's eccentricity effect entire equal equator equatorial evidence existence extent fact feet flow follows foot force geological glacial epoch glacier globe gravity greater ground Gulf-stream heat hemisphere icebergs increase influence island land latitude less lower mass matter mean miles molecules motion move North northern observed ocean orbit pass period physical polar polar regions poles portion present pressure probably produce Professor quantity question radiation raise reached reason received reference regarding regions remains result rise river rocks sand says seen slope snow southern stream summer supposed surface temperature tend theory thickness things true warm weight whole winds winter
Página 577 - No. 12. THE HISTORY OF THE CONFLICT BETWEEN RELIGION AND SCIENCE. By JOHN WM. DRAPER, MD, LL. D., author of " The Intellectual Development of Europe.
Página 577 - XV. FUNGI; THEIR NATURE, INFLUENCE, AND USES. By MC COOKE, "MA, LL. D. Edited by Rev. MJ BERKELEY, MA, FLS With 109 Illustrations. Price, $1.50.
Página 577 - No. 6. THE NEW CHEMISTRY. By Prof. JOSIAH P. COOKE, Jr., of Harvard University, i vol., i2mo. Cloth. Price, $2.00.
Página 331 - ... been removed from the general surface in one year ; and there seems no danger of our overrating the mean rate of waste by selecting the Mississippi as our example, for that river drains a country equal to more than half the continent of Europe, extends through twenty degrees of latitude, and therefore through regions enjoying a great variety of climate, and some of its tributaries descend from mountains of great height. The Mississippi is also more likely to afford us a fair test of ordinary...
Página 535 - Now, the perihelion of the orbit is situated nearly at the place of the northern winter solstice ; so that, were it not for the compensation we have just described, the effect would be to exaggerate the difference of summer and winter in the southern hemisphere, and to moderate it in the northern ; thus producing a more violent alternation of climate in the one hemisphere, and an approach to perpetual spring in the other. As it is, however, no such inequality subsists, but an equal and impartial...