accomplished in the current conceptions, under the double influence of the Church and the students of Roman law, before an idea of sanctity began to be attached to the personality of the king. However, it lies beyond the scope of these essays to follow the gradual development of authority out of the elements just indicated. Historians, such as Mr. and Mrs. Green for this country, Augustin Thierry, Michelet, and Luchaire for France, Kaufmann, Janssen, W. Arnold, and even Nitzsch, for Germany, Leo and Botta for Italy, Byelaeff, Kostomaroff, and their followers for Russia, and many others, have fully told that tale. They have shown how populations, once free, and simply agreeing "to feed" a certain portion of their military defenders, gradually became the serfs of these protectors; how "commendation" to the Church, or to a lord, became a hard necessity for the freeman; how each lord's and bishop's castle became a robber's nest--how feudalism was imposed, in a word--and how the crusades, by freeing the serfs who wore the cross, gave the first impulse to popular emancipation. All this need not be retold in this place, our chief aim being to follow the constructive genius of the masses in their mutual-aid institutions. At a time when the last vestiges of barbarian freedom seemed to disappear, and Europe, fallen under the dominion of thousands of petty rulers, was marching towards the constitution of such theocracies and despotic States as had followed the barbarian stage during the previous starts of civilization, or of barbarian monarchies, such as we see now in Africa, life in Europe took another direction. It went on on lines similar to those it had once taken in the cities of antique Greece. With a unanimity which seems almost incomprehensible, and for a long time was not understood by historians, the urban agglomerations, down to the smallest burgs, began to shake off the yoke of their worldly and clerical lords. The fortified village rose against the lord's castle, defied it first, attacked it next, and finally destroyed it. The movement spread from spot to spot, involving every town on the surface of Europe, and in less than a hundred years free cities had been called into existence on the coasts of the Mediterranean, the North Sea, the Baltic, the Atlantic Ocean, down to the fjords of Scandinavia; at the feet of the Apennines, the Alps, the Black Forest, the Grampians, and the Carpathians; in the plains of Russia, Hungary, France and Spain. Everywhere the same revolt took place, with the same features, passing through the same phases, leading to the same results. Wherever men had found, or expected to find, some protection behind their town walls, they instituted their "co-jurations," their "fraternities," their "friendships," united in one common idea, and boldly marching towards a new life of mutual support and liberty. And they succeeded so well that in three or four hundred years they had changed the very face of Europe.