From the Preface:

These essays are intended as a general description of some of the principal forms of narrative literature in the Middle Ages, and as a review of some of the more interesting works in each period. It is hardly necessary to say that the conclusion is one "in which nothing is concluded," and that whole tracts of literature have been barely touched on—the English metrical romances, the Middle High German poems, the ballads, Northern and Southern—which would require to be considered in any systematic treatment of this part of history…………………………….