of general reasoning with chief regard to logical consistency in the line of arguments, but in increasing the degree the political man submits to the more objective tests of actual observation of behaviour and to specific measurement and analysis.

Using the new tools of survey and comparison, of statistics and psychology, the modern investigator is penetrating farther and farther into the recesses of that "human nature," which for a long time stood guard at the end of the world, barring the way to further discovery. Long ago we ceased to believe that rulers governed because they were the sons or blood relations of gods; or even that they ruled by special divine right. "The mystery that doth hedge about" a king has largely been dispelled, and with it the lesser mysteries that were worn by the lesser lights around the throne. It may still be assumed, however, that there is some other kind of a mystery that surrounds a leader of men, some magic that grows out of mysterious "human nature," and defies human analysis and understanding. Political leaders, some believe, are super-men, inscrutable, insoluble types, to be accepted as in the earlier times earthquakes, volcanoes, storms, or other works of nature were accepted.

"Human nature," however, is no more of a defense against modern science than "divine right" in the earlier period of human development, for the whole trend of modern social science is toward the discovery of the secrets or rather the sequences of "human nature." We no longer look upon the human beings who may be our masters with superstitious awe, but rather with scientific curiosity as to how they are constructed and how they operate, and with determination to reduce the mysterious to its very lowest terms. The "great man" is not merely a hero to be worshipped, as if in some occult way endowed with semi-

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