Smith, Hamilton Lanphere, 1819-1903. [from old catalog] · Cleveland, M. C. Younglove and company · leaf 113
crease of heat is, on this account, perceived, as therays, at this time, fall very slanting upon the earth in the northernhemisphere, although in the southern hemisphere, the summeroccurring at the time when the sun is nearest the earth, is muchwarmer than the same season at the north. The lines we… … frigid* The first and last are included within the polar circles,and are always cold, inhospitable regions. The temperate zonesare included within the polar circles and the tropics, whilst thetropical, or equatorial regions lie wholly within the two tropics.At the equator, as we have already…
Astronomy · Meteorology · Geology · Paleontology
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