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ONE:And this one he particularly wanted to see, because the name was unknown to him. In all the swindlers in London it was the first time Prout had heard of one called "Frenchy." And the particular member of the gang--absent from London on business--seemed to be the leader of them all. Once Frenchy showed himself, Prout would give the sign, and within an hour the gang would be laid by the heels.Another method by which Aristotle strove to overcome the antithesis between life as a mechanical arrangement and life as a metaphysical conception, was the newly created study of comparative anatomy. The variations in structure and function which accompany variations in the environment, though statically and not dynamically conceived, bring us very near to the truth that biological phenomena are subject to the same general laws of causation as all other phenomena; and it is this truth which, in the science of life, corresponds to the identification of terrestrial with celestial physics in the science of general mechanics. Vitality is not an individualised principle stationed in the heart and serving only to balance opposite forces against one another; but it is diffused through all the tissues, and bestows on them that extraordinary plasticity which responds to the actions of the environment by spontaneous variations capable of being summed up in any direction, and so creating entirely new organic forms without the intervention of any supernatural agency.