“For,” observes Riehl, “the striking connection which has been pointed out between the local geological formations in Germany and the revolutionary disposition of the people has more than a metaphorical significance. Where the primeval physical revolutions of the globe have been the wildest in their effects, and the most multiform strata have been tossed together or thrown one upon the other, it is a very intelligible consequence that on a land surface thus broken up, the population should sooner develop itself into small communities, and that the more intense life generated in these smaller communities should become the most favorable nidus for the reception of modern culture, and with this a susceptibility for its revolutionary ideas; while a people settled in a region where its groups are spread over a large space will persist much more obstinately in the retention of its original character. The people of Middle Germany have none of that exclusive one-sidedness which determines the peculiar genius of great national groups, just as this one-sidedness or uniformity is wanting to the geological and geographical character of their land.” This ethnographical outline Riehl fills up with special and typical descriptions, and then makes it the starting-point for a criticism of the actual political condition of Germany. The volume is full of vivid pictures, as well as penetrating glances into the maladies and tendencies of modern society. It would be fascinating as literature if it were not important for its facts and philosophy. But we can only commend it to our readers, and pass on to the volume entitled “Die Bürgerliche Gesellschaft,” from which we have drawn our sketch of the German peasantry. Here Riehl gives us a series of studies in that natural history of the people which he regards as the proper basis of social policy. He holds that, in European society, there are _three natural ranks or estates_: the hereditary landed aristocracy, the citizens or commercial class, and the peasantry or agricultural class. By _natural ranks_ he means ranks which have their roots deep in the historical structure of society, and are still, in the present, showing vitality above ground; he means those great social groups which are not only distinguished externally by their vocation, but essentially by their mental character, their habits, their mode of life—by the principle they represent in the historical development of society. In his conception of the “Fourth Estate” he differs from the usual interpretation, according to which it is simply equivalent to the Proletariat, or those who are dependent on daily wages, whose only capital is their skill or bodily strength—factory operatives, artisans, agricultural laborers, to whom might be added, especially in Germany, the day-laborers with the quill, the literary proletariat. This, Riehl observes, is a valid basis of