IPerhaps the man who never wanders away from the place of his birth may pass all his life without knowing ghosts; but the nomad is more than likely to make their acquaintance. I refer to the civilized nomad, whose wanderings are not prompted by hope of gain, nor determined by pleasure, but simply compelled by certain necessities of his being,—the man whose inner secret nature is totally at variance with the stable conditions of a society to which he belongs only by accident. However intellectually trained, he must always remain the slave of singular impulses which have no rational source, and which will often amaze him no less by their mastering power than by their continuous savage opposition to his every material interest.... These may, perhaps, be traced back to some ancestral habit,—be
