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 man, had developed out of lower forms, and advanced thinkers had been reaching the conclusion that the universe, as we find it, is the result of a continuous process, unbroken by supernatural interference, and explicable by uniform natural laws. But while the reign of law in the world of non-living matter seemed to be established, the world of life could be considered a field in which the theory of divine intervention is perfectly valid, so long as science failed to assign satisfactory causes for the origination of the various kinds of animals and plants. The publication of Darwin's Origin of Species in 1859 is, therefore, a landmark not only in science but in the war between science and theology. When this book appeared, Bishop Wilberforce truly said that "the principle of natural selection is incompatible with the word of God," and theologians in Germany and France as well as in England cried aloud against the threatened dethronement of the Deity. The appearance of the Descent of Man (1871), in which the evidence for the pedigree of the human race from lower animals was marshalled with masterly force, renewed the outcry. The Bible said that God created man in his own image, Darwin said that man descended from an ape. The feelings of the orthodox world may be