Twentieth Century Inventions. By George Sutherland, M.A. (Longmans and Co.
4s. 6d.)—Mr. Sutherland tells us that be has been taking note for the twenty years past of the inventions brought out. Hence his " forecast " is largely derived from ex- perience. We do not feel qualified to judge of his prognostica- tions, but we can say that he is sober and sane, does not " rise on a wind of prophecy," but sees all round a subject, and sees diffi- culties. We are not always in agreement with him. Sometimes he seems too much of the town. " Spade and plough represent the badges of the rural workers' servitude " ; we must try to rescue them from "the old world bondage." Perhaps we shall have a pruning machine some day. "Warfare" is an interesting chapter. South African campaigns have rehabilitated the bayonet, and given a new lease of power to the races that have courage. Domestic improvements are to be made chiefly by electricity. How about the air-ship P
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