into some group greater than the tribe and less than the nation--with far greater ease than Greek cities join into confederations. Some of the reasons are obvious. A city has in the nature of things a more distinct and abiding political being than a mere district, a mere space on the map. Two shires may be physically rolled into one, and the rolling into one does not carry with it any necessary political subjection of one part of the new whole to the other. Two cities can seldom be physically rolled into one; the political union of two cities is necessarily more imperfect than that of two districts, and it is hard to unite them at all without giving some degree of superiority to one over the other. Again, the tendency of a tribe, whether wandering or settled in its district, is to the headship of a personal chief, whether hereditary or elective; if the assembly is the body of the tribe, the duke, judge, ealdorman, is the head. The tendency of a city, whether aristocratic or democratic, is to mere temporary magistrates, who are not in the same sense heads either of the city or of its assembly. Two or more dukes or ealdormen can give way to a single king, or they can go on exercising their office under a common king, with very little shock to the constitution and habits of the land and its folk. The assembly of the enlarged district is simply an enlargement of the separate assemblies of the two districts. It is by no means so easy to fuse the assemblies and the magistracies of two separate cities into one. The attempt is recorded to have been once made in historic Greece; Corinth for a while, no very long while, merged her separate being in that of Argos; but before long Argos and Corinth were again separate and independent cities. In our own country the process by which the great kingdoms of the Angles and Saxons were joined into the one kingdom of England is perfectly well known; we know nothing of the details of the process by which those seven or eight great kingdoms, those three specially great kingdoms, were gradually formed by the union of earlier and smaller settlements. In most cases we can see that such an union did take place; we can even see that the process of union took different shapes in one kingdom and in another; but the details are hidden from us. One reason of our ignorance among many may well be that the process was gradual and easy, carrying with it no great immediate change. We need not suppose that the union of Wessex or of Mercia was wrought by a series of treacherous murders like those which united the whole Frankish nation under Chlodowig. But the ease with which Chlodowig could root out all the other Frankish kings, the seeming good will with which he was received as king by each division of the nation, shows that the process was an easy one. Even when it was done by force, it would carry with it no special wrong beyond the force by which it was done. The Ripuarians really lost nothing by accepting the Salian king.