demand for such knowledge has been increased by modern scientific tendencies. The man of science is constantly demanding a closer and wider intimacy with facts. No fact can be so small or repulsive that it may not be of use in testing or suggesting theory. The historian follows suit. He finds that in the masses of records which were neglected by an earlier generation there are materials for reconstructing history at large. By elaborate researches into what passed for mere rubbish-heaps, he can discover facts essential to an intelligent appreciation of social and intellectual development. What was once the pursuit of eccentric antiquaries, animated by an unreasoning love of curiosities, becomes worthy of the keenest intellects searching for light in the dark foundations of things. A fact, simply as a fact, becomes sacred in the eyes of such inquirers. It may not be of interest in itself; but no one can tell what part it may not play incidentally in clearing up some general principle. Historians of literature catch the contagion, and employ themselves in worrying out minute dates and infinitesimal bibliographical facts with an industry which, let us hope, will have its reward. Certainly it is not for one who has had anything to do with biographical