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Rh, but, even so, it spreads its operations very steadily and persistently. Our agriculture and horticulture destroy just here and there a weed and cultivate perhaps a score or so of wholesome plants, leaving the greater number to fight out a balance as they can. We improve our favorite plants and animals—and how few they are—gradually by selective breeding; now a new and better peach, now a seedless grape, now a sweeter and larger flower, now a more convenient breed of cattle. We improve them gradually, because our ideals are vague and tentative, and our knowledge is very limited; because Nature, too, is shy and slow in our clumsy hands. Some day all this will be better organized, and still better. That is the drift of the current in spite of the eddies. The whole world will be intelligent, educated, and co-operating; things will move faster and faster toward the subjugation of Nature. In the end,