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 imperative, need of winnowing biographic information, of dismissing the voluminous chaff while conserving the grain. The growing habit of ephemeral publicity, the methods of reporting the minutiae of prominent people's daily life, not merely by aid of the printing press, but by the new mechanical inventions of photograph, phonograph and even cinematograph, all accumulate raw biographic material in giant heaps at an unprecedented rate. The biographer's labours will hereafter be immensely increased; but they will be labours lost, unless principles of discrimination be rigorously applied.

VIII

A discriminating_brevity is a law of the right biographic method—a brevity graduated by considerations on the one hand of the genuine importance of the theme or career, and on the other of the genuine value and interest of the available material. Instances