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science, agriculture, and all that follows from their inclusion, and that, without a clear knowledge of the last, we have no real explanation of any of the number."
The series is wisely planned, and the present volume places an important section of knowledge about England within easy reach. The main divisions of the material are the following : I, "The Norman Invasion," the foreign element which it brought, their distribution and influence. II, "The Latter Middle Ages" : (a) Finance: Jews, Templars and Lombards, English factors and staples, English financiers; {b) Commerce : the Gascony merchants, hostmen, restrictions and griev- ances in connection with trade, the alien subsidies; (c) Industry: showing the influence of Flemish weavers, Italian artisans, and of aliens in general ; [d) corresponding period of Scottish history. Ill, "The Reformation Period and Religious Refugees." IV, " Intercourse with the Dutch." V, "Latin Immigrations" : (a) the Huguenots; {b) the Palatines; {c) the femigrds. VI, "Conclusion: the Influence of Aliens in England." A. W. S.
Sociologie et Politique. Par Louis Gumplowicz, Professeur de sciences politiques a I'Universite de Graz, Membre de rinstitut International de Sociologie. Avec preface de Rene Worms. Bibliotheque Sociologique Internationale, No. XII. Paris: V. Giard et E. Briere. Pp. 300. The original from which this volume is translated was published in German in 1892 under the title Sociologie und Politik. The very apol- ogetic introduction by M. Worms does not render a sufficient reason for republishing the book in a French version. A properly descriptive title would be "Professor Gumplowicz's opinions about politics, not hazarded upon their own merits, but tacked as riders upon an assumed science of sociology." The argument of the book would furnish sug- gestions toward a method of solving the problem: "If A had a son and B a daughter, and the two were married, and the union produced children, would Gymnasium or Realschule better fit their talents ?"
Neither sociology nor politics is yet a "science" in such a sense that it can furnish a definite foundation for the other. By yoking the names together in this fashion, Gumplowicz has encouraged incredulity about possible scientific treatment of either. It is true, as the editor claims, that this book, and we may add Der Rassenkampf zs well, is " suggestive." So is Jules Verne. It is more to the point that Pro-
