To strengthen still further the general historic credibility of these tales, and to show how close to the events and heroes described must have been the bards who originally composed them, I would urge the following considerations.

With the advent of Christianity the mound-raising period passed away. The Irish heroic tales have their source in, and draw their interest from, the mounds and those laid in them. It would, therefore, be extremely improbable that the bards of the Christian period, when the days of rath and cairn had departed, would modify, to any considerable extent, the literature produced in conditions of society which had passed away.

Again, with the advent of Christianity, and the hold which the new faith took upon the finest and boldest minds in the country, it is plain that the golden age of bardic composition ended. The loss to the bards was direct, by the withdrawal of so much intellect from their ranks, and indirect, by the general substitution of other ideas for those whose ministers they themselves were. It is, therefore, probable that the age of production and creation, with regard to the ethnic history, ceased about the fifth and sixth centuries, and that, about that time, men began to gather up into a collected form the floating literature connected with the pagan period. The general current of mediaeval opinion attributes the collection of tales and ballads now known as the Tân-Bo-Cooalney to St. Ciaran, the great founder of the monastery of Clonmacnoise.

But if this be the case, we are enabled to take another step in the history of this most valuable literature. The tales of the Leabhar na Huidhré are in prose, but prose whose source and original is poetry. The author, from time to time, as if quoting an authority, breaks out with verse; and I think there is no Irish tale in existence without these rudimentary traces of a prior metrical cycle. The style and language are quite different, and indicate two distinct epochs. The prose tale is founded upon a metrical original, and composed in the meretricious style then in fashion, while the old metrical excerpts are pure and simple. This is sufficient, in a country like Ireland in those primitive times, to necessitate a considerable step into the past, if we desire to get at the originals upon which the prose tales were founded.

For in ancient Ireland the conservatism of the people was very great. It is the case in all primitive societies. Individual, initiative, personal enterprise are content to work within a very small sphere. In agriculture, laws, customs, and modes of literary composition, primitive and simple societies are very adverse to change.

When we see how closely the Christian compilers followed the early authorities, we can well believe that in the ethnic times no mind would have been sufficiently daring or sacrilegious to alter or pervert those epics which were in their eyes at the same time true and sacred.

In the perusal of the Irish literature, we see that the strength of this conservative instinct has been of the greatest service in the preservation of the early monuments in their purity. So much is this the case, that in many tales the most flagrant contradictions appear, the author or scribe being unwilling to depart at all from that which he found handed down. For instance, in the "Great Breach of Murthemney," we find Laeg at one moment killed, and in the next riding black Shanglan off the field. From this conservatism and careful following of authority, and the littera scripta, or word once spoken, I conclude that the distance in time between the prose tale and the metrical originals was very great, and, unless under such exceptional circumstances as the revolution caused by the introduction of Christianity, could not have been brought about within hundreds of years. Moreover, this same conservatism would have caused the tales concerning heroes to grow very slowly once they were actually formed. All the noteworthy events of the hero's life and his characteristics must have formed the original of the tales concerning him, which would have been composed during his life, or not long after his death.

I have not met a single tale, whether in verse or prose, in which it is not clearly seen that the author was not following authorities before him. Such traces of invention or decoration as may be met with are not suffered to interfere with the conduct of the tale and the statement of facts. They fill empty niches and adorn vacant places. For instance, if a king is represented as crossing the sea, we find that the causes leading to this, the place whence he set out, his companions, &c., are derived from the authorities, but the bard, at the same time, permits himself to give what seems to him to be an eloquent or beautiful description of the sea, and the appearance presented by the many-oared galleys. And yet the last transcription or recension of the majority of the tales was effected in Christian times, and in an age characterised by considerable classical attainments—a time when the imagination might have been expected to shake itself loose from old restraints, and freely invent. A fortiori, the more ancient bards, those of the ruder ethnic times, would have clung still closer to authority, deriving all their imaginative representations from preceding minstrels. There was no conscious invention at any time. Each cycle and tale grew from historic roots, and was developed from actual fact. So much may indeed be said for the more ancient tales, but the Ultonian cycle deals with events well within the historic period.

The era of Concobar Mac Nessa and the Red Branch knights of Ulster was long subsequent to the floruerunt of the Irish gods and their Titan-like opponents of this latter period, the names alone can be fairly held to be historic. What swells out the Irish chronicles to such portentous dimensions is the history of the gods and giants rationalised by mediaeval historians. Unable to ignore or excide what filled so much of the imagination of the country, and unable, as Christians, to believe in the divinity of the Tuátha De Danan and their predecessors, they rationalised all the pre-Milesian record. But the disappearance of the gods does not yet bring us within the penumbra of history. After the death of the sons of Milesius we find a long roll of kings. These were all topical heroes, founders of nations, and believed, by the tribes and tribal confederacies which they founded, to have been in their day the chief kings of Ireland. The point fixed upon by the accurate and sceptical Tiherna as the starting-point of trustworthy Irish history, was one long subsequent to the floruerunt of the gods; and the age of Concobar Mac Nessa and his knights was more than two centuries later than that of Kimbay and the foundation of Emain Macha. The floruit of Cuculain, therefore, falls completely within the historical penumbra, and the more carefully the enormous, and in the main mutually consistent and self-supporting, historical remains dealing with this period are studied, the more will this be believed. The minuteness, accuracy, extent, and verisimilitude of the literature, chronicles, pedigrees, &c., relating to this period, will cause the student to wonder more and more as he examines and collates, seeing the marvellous self-consistency and consentaneity of such a mass of varied recorded matter. The age, indeed, breathes sublimity, and abounds with the marvellous, the romantic, and the grotesque. But as I have already stated, the presence or absence of these qualities has no crucial significance. Love and reverence and the poetic imagination always effect such changes in the object of their passion. They are the essential condition of the transference of the real into the world of art. AEval, of Carriglea, the fairy queen of Munster, is one of the most important characters in the history of the battle of Clontarf, the character of which, and of the events that preceded and followed its occurrence, and the chieftains and warriors who fought on one side and the other, are identical, whether described by the bard singing, or by the monkish chronicler jotting down in plain prose the fasti for the year. The reader of these volumes can make such deductions as he pleases, on this account, from the bardic history of the Red Branch, and clip the wings of the tale, so that it may with him travel pedestrian. I know there are others, like myself, who will not hesitate for once to let the fancy roam and luxuriate in the larger spaces and freer airs of ancient song, nor fear that their sanity will be imperilled by the shouting of semi-divine heroes, and the sight of Cuculain entering battles with the Tuátha De Danan around him.

I hope on some future occasion to examine more minutely the character and place in literature of the Irish bardic remains, and put forward here these general considerations, from which the reader may presume that the Ultonian cycle, dealing as it does with Cuculain and his contemporaries, is in the main true to the facts of the time, and that his history, and that of the other heroes who figure in these volumes, is, on the whole, and omitting the marvellous, sufficiently reliable. I would ask the reader, who may be inclined to think that the principal character is too chivalrous and refined for the age, to peruse for himself the tale named the "Great Breach of Murthemney." He will there, and in many other tales and poems besides, see that the noble and pathetic interest which attaches to his character is substantially the same as I have represented in these volumes. But unless the student has read the whole of the Ultonian cycle, he should be cautious in condemning a departure in my work from any particular version of an event which he may have himself met. Of many minor events there are more than one version, and many scenes and assertions which he may think of importance would yet, by being related, cause inconsistency and contradiction. Of the nature of the work in which all should be introduced I have already given my opinion.