It is Destiny, then, that is the Protagonist in the Celtic Drama. And it is Destiny, that sombre Demogorgon of the Gael, whose boding breath, whose menace, whose shadow glooms so much of the remote life I know, and hence glooms also this book of interpretations: for pages of life must either be interpretative or merely documentary, and these following pages have for the most part been written as by one who repeats, with curious insistence, a haunting, familiar, yet ever wild and remote air, whose obscure meanings he would fain reiterate, interpret.