“Thus civilisation and mechanical progress advanced hand in hand, each developing and being developed by the other, the earliest accidental use of the stick having set the ball rolling, and the prospect of advantage keeping it in motion. In fact, machines are to be regarded as the mode of development by which human organism is now especially advancing, every past invention being an addition to the resources of the human body. Even community of limbs is thus rendered possible to those who have so much community of soul as to own money enough to pay a railway fare; for a train is only a seven-leagued foot that five hundred may own at once.” The one serious danger which this writer apprehended was that the machines would so equalise men’s powers, and so lessen the severity of competition, that many persons of inferior physique would escape detection and transmit their inferiority to their descendants. He feared that the removal of the present pressure might cause a degeneracy of the human race, and indeed that the whole body might become purely rudimentary, the man himself being nothing but soul and mechanism, an intelligent but passionless principle of mechanical action. “How greatly,” he wrote, “do we not now live with our external limbs? We vary our physique with the seasons, with age, with advancing or decreasing wealth. If it is wet we are furnished with an organ commonly called an umbrella, and which is designed for the purpose of protecting our clothes or our skins from the injurious effects of rain. Man has now many extra-corporeal members, which are of more importance to him than a good deal of his hair, or at any rate than his whiskers. His memory goes in his pocket-book. He becomes more and more complex as he grows older; he will then be seen with see-engines, or perhaps with artificial teeth and hair: if he be a really well-developed specimen of his race, he will be furnished with a large box upon wheels, two horses, and a coachman.” It was this writer who originated the custom of classifying men by their horse-power, and who divided them into genera, species, varieties, and subvarieties, giving them names from the hypothetical language which expressed the number of limbs which they could command at any moment. He showed that men became more highly and delicately organised the more nearly they approached the summit of opulence, and that none but millionaires possessed the full complement of limbs with which mankind could become incorporate.