It is my purpose to speak of the craft to which I have devoted the best years of my life, the craft of portraying, by means of little pen-and-ink strokes, lines, and scratches, a small portion of the world in which we live; such social and domestic incidents as lend themselves to humorous or satirical treatment; the illustrated criticism of life, of the life of our time and country, in its lighter aspects. The fact that I have spent so many years in the practice of this craft does not of itself, I am well aware, entitle me to lay down the law about it; the mere exercise of an art so patent to all, so easily understanded of the people, does not give one any special insight into its simple mysteries, beyond a certain perception and appreciation of the technical means by which it is produced—unless one is gifted with the critical faculty, a gift apart, to the possession of which I make no claim.