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3The vapours, clouds, and exhalations which rise from the earth, seem to depend on its retention of intense heat, great winds, cold moisture, and its large proportion of water. Thus when, from the coolness of the night, assisted by the darkness, winds arise, and clouds are formed from damp places, the sun, at its rising, striking on the earth with great power, and thereby heating the air, raises the vapours and the dew at the same time.
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