OF POLITICAL ECONOMY. PART THE THIRD: OF THE CAUSES WHICH RETARD INCREASE IN THE NUMBERS OF MANKIND. PART THE FOURTH: OF THE CAUSES WHICH RETARD IMPROVEMENT IN THE POLITICAL CONDITION OF MAN. BY H. C. CAREY, AUTHOR OF AN ESSAY ON THE RATE OF WAGES. "All discord harmony not understood."-POPE. "God hath made man upright, but they have sought out many inventions."- PHILADELPHIA: LEA & BLANCHARD. LONDON: JOHN MILLER, HENRIETTA STREET-COVENT GARDEN. 1840. ECCLESIASTES. II. Movement of the Population of France, the Nether- lands, England, and the United States, III. Of the Duration of Life-France, the Netherlands, the Netherlands, England, and the United States, 34 II. Of the Influence of Wealth on the Political Condi- tion of the People of Greece and Rome, III. Of the Influence of Wealth on the Political Condi- tion of the People of Italy, Spain, and France, 126 IV. Of the Influence of Wealth on the Political Condi- |