References to the authorities mentioned above and to later works bearing on the subject have been inserted in the hope that others, more leisured and more competent, may supplement them by further research, and convert those portions of the narrative which are at present largely conjectural from story into history. What manner of men the prehistoric races which in early ages successively inhabited the northern end of the Scottish mainland may have been, we can now hardly imagine. Dr. Joseph Anderson's classical volumes[1] on _Scotland in Pagan Times_ tell us something, indeed all that can now be known, of some of them, and in the Royal Commission's[2] _Reports and Inventories of the Early Monuments_ of Sutherland and of Caithness respectively, Mr. Curle has classified their visible remains, and may, let us hope, with the aid of legislation, save those relics from the roadmaker or dykebuilder. Lastly, such superstitions, or survivals of beliefs, as remain in the north of Scotland from early days have been collected, arranged, and explained by the late Mr. George Henderson in an able book on that subject.[3] Enquiries such as these, however, belong to the provinces of archaeology and folk-psychology, and not to that of history, still less to that of contemporary history, which began in the north, as elsewhere, with oral tradition, handed down at first by men of recording memories, and then committed to writing, and afterwards to print; and both in Norway and Iceland on the one hand, and in the Highlands on the other such men were by no means rare, and were deservedly held in the highest honour. Writing arrived in Sutherland and Caithness very late, and was not even then a common indigenous product. Clerks, or scholars who could read and write, were at first very few, and in the north of Scotland hardly any such were known before the twelfth century of our era, save perhaps in the Pictish and Columban settlements of hermits and missionaries. Of their writings, if they ever existed, little or nothing of historical value is extant at the present time. But the _Orkneyinga, St. Magnus_, and _Hakon's Sagas_, when they take up their story, present us with a graphic and human and consecutive account of much which would otherwise have remained unknown, and their story, though tinged here and there with romance through the writers' desire for dramatic effect, is, so far as the main facts go, singularly faithful and accurate, when it can be tested by contemporary chronicles.