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Page:Popular Science Monthly Volume 54.djvu/714

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THE POPULAR SCIENCE MONTHLY.

indefatigable courage. But there are also thicker and heavier stones, without beauty or apparent grace, which are designed to be hidden at the base of an immense edifice, like the massive columns with which the architects of the middle ages decorated the crypts of their Gothic cathedrals. It is truth in the rough. He does not impose his condition, but communicates it and proves it. If it is certain, he affirms it; when he supposes, he says so; when he doubts, he acknowledges it." She then passes to the exposition of Darwinism as responding to one of the noblest aspirations of the mind, the preliminary step to the accounting for the world of organized beings, as astronomy, physics, and geology have explained the origin of inanimate substances. In effect, the illustrious Englishman, connecting the domain of botany and zoölogy with the action of second causes, sought first to comprehend the genesis, and then the evolution, in the same way that astronomers and geologists teach us concerning the origin of our globe and the successive phases through which its surface has passed.

Not only did Madame Clémence Royer initiate us into transformism. In her masterly introduction she went still further. Carrying the exposition to its final consequences, she provoked a useful revolution in the ideas then current. She dared to say what many men of science would only have left to be inferred. Her translation, revealing the name of Darwin to the French public, who hardly knew of it at that period, gave the occasion for a very active conflict between the partisans of "creationism" and the Nantese philosophy. The success of this work was so great as to induce her to complete her preface by publishing a few years afterward a work wholly her own, Origine de l'Homme et des Sociétés (Origin of Man and Societies, 1870), which, being her best production, deserves a special analysis. With the assistance of documents collected by the most famous anthropologists, Madame Royer reconstitutes the history of the primitive ages of mankind, and after studying its origins and development she seeks for the bonds that connect the great human family with the rest of living Nature; and finally forecasts its future from its past.

In the first part she takes up the question of the origin of life and of its transformations upon the earth. The living species are grouped around man, who is the topmost shoot of the gigantic "tree of life." Two laws regulate the transmission of life—the law of heredity and the law of variability. The former assures the continuation of the type, and the latter variety in its modifications. The organic kingdom as a whole oscillates between these two contrary rules which fix limits each upon the other and which suffice to explain the successive appearance through the ages of different forms of life. The organic individual is thus the solution of a problem in algebra