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are leagues over the cold waters around, and covers the ocean with a mantle of warmth that serves so much to mitigate in Europe, the rigors of winter. Moving now slowly, but dispensing its genial influences more freely, it finally meets the British Islands. By these it is divided, one part going into the polar basin of Spitzbergen, the other entering the Bay of Biscay, but each with a warmth considerably above the ocean temperature. Such an immense volume of heated water cannot fail to carry argument, a simple calculation will show that the quantity of heat discharged over the Atlantic from the waters of the Gulf Stream in a winter's day would be sufficient to raise the whole column of atmosphere that rests upon France, and the British Islands from the freezing-point to summer heat. Every west wind that blows, crosses the stream on its way to Europe, and carries with it a portion of this heat to temper there the northern winds of winter. It is the influence of this stream upon c
—this time to the north-east. If the reader will again refer to a map, he will find that the Agulhas current, as it came along through the Mozambique Channel and by the Cape of Good Hope, was a south-westerly current. It being now a north-easterly current, he observes that it is running back whence it came, in an ellipse! We have seen, in a former part of this work, that the Gulf Stream of the North Atlantic performs a circuit around the coasts of the United States, Newfoundland, the British Islands, the coasts of Spain and Portugal, the African coast, and so on, into the equatorial current, and thence back again to the Gulf of Mexico. From my observation of currents in various parts of the world, my impression is, that the circle or ellipse is their normal law. There are, of course, offshoots from one circle, or ellipse, to another, and thus a general intermingling of the waters of the earth is going on—but the normal rule for the guidance of the water, as of the wind, is the cur