Lombroso utilized the relations between genius and revolution in a most remarkable manner for the purpose of studying the nature of revolution. A notable portion of his material, and unquestionably the most trustworthy portion, is constituted by the official statistics of the French elections to the Chamber of Deputies in the years 1877, 1881, and 1885. In a nation whose disposition and development have been of so monarchical a character, Lombroso proceeds, a republican vote signifies adhesion to a revolution. “In these elections we have the numerical expression of revolution in its legitimate form—a form entirely free from any criminal or insurgent features.” In a very detailed manner he then proceeds to demonstrate the complete parallelism in France between genius and revolution—that is to say, republican sentiment—which, if not easy to display numerically, nevertheless is and has been universally dominant. Reference is also made to a kind of statistical statement of genius, which was given by Lombroso in another work, “L’uomo di genio,” 1888.[22] From these statistics he derives an “index of genius” for every department in France, and according to the size of this index the departments are arranged in groups. These will be seen to correspond in a most striking manner with the groups we obtain by classifying the departments according to their republican or monarchical proclivities. This analogy is pursued yet further. In a number of interesting tables, diagrams, and charts, the French departments are grouped according to their configuration (mountains, hills, and plains), the geological character of their soil (granitic and other primary formations—jurassic, cretaceous, alluvial, etc.), according to the racial origin of their inhabitants (Ligurian, Iberian, Cymric, Ruthenian, Gaelic, Belgic, etc.), and for each group the predominant political tendency and the index of genius are determined. In this way also he deduces an analogy bordering on identity between republicanism and genius.