I wish to dwell on the fact that the conquerors were princes of the Connacht dynasty, then ruling also in Tara. Their army was drawn from Connacht. In fact, all this chain of events is the direct sequel of the old rivalry between Connacht and Ulster that forms the basis of Táin Bó Cuailnge and the Ulster cycle in general. The inhabitants of the conquered parts of Ulster got the significant name of Airgialla, Oirghialla, "the eastern subjects." In relation to Meath and Tara, they were northern not eastern subjects. The name Airgialla then is based on the fact that the conquering power at the time when the name came into use was still regarded as the western power, its home was Connacht. Thus ended the Fifth of Ulster. Let us see what was happening meanwhile in southern Ireland. In Munster, under the Pentarchy, the kings of the Érainn or Iverni held rule. In St. Patrick's time, these no longer ruled in Munster. The kings of Munster belonged to a distinct line, called the Eoghanachta. Their capital was no longer in the west. It was Cashel, not far from the eastern border of their kingdom and in territory formerly part of Leinster. To the original extent of the Munster Fifth had been added in the meantime the counties of Clare and Tipperary, a small part of Limerick, and the larger part of Waterford, making the bounds of Munster almost but not exactly what they are at present. In face of the growing power of the kings of Connacht, how it came about that Clare was detached from Connacht and added to Munster, I cannot explain to my own satisfaction, beyond saying that, within a smaller scope, the Eoghanacht kings of Munster became even more powerful than the kings of Connacht and ruled over a more firmly consolidated realm. During the early Christian centuries, before the Norse invasions, Munster appears to have enjoyed greater tranquillity than any other realm in Western Europe. The genealogies show that there was an early Eoghanacht settlement in the Clare area, called Eoghanacht Ninuis, and another, still called Eoghanacht, in the island of Arainn Mhór, to the north of Clare. There were at least two accounts in ancient story of the transfer of Clare to Munster. The time of this event differs by centuries in the two stories, and I shall not endeavour to reconcile them or to choose between them. There are three distinct accounts of the eastern annexation from South Leinster. The only one of these that is full and explanatory, and that fits with the known later stage of things, is the account connected with the Migration of the Déisi.