One is often inclined to marvel that, with such a world to draw upon for his material, the world of the lower classes in the England of sixty years ago, he was able to tone his work with so genial a humanity. The features of that time, as they impress our imagination, are for the most part either ignoble or hideous, and a Hogarth in literature would seem a more natural outcome of such conditions than the author of Pickwick and the Christmas Carol. Dickens's service to civilization by the liberality of his thought cannot be too much insisted upon. The atmosphere of that age was a stifling Puritanism. "I have been very happy for some years," says Mrs. Maylie; "too happy, perhaps. It may be time that I should meet with some misfortune." (Chapter XXXIII.) Against the state of mind declared in this amazing utterance, Dickens...