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.”— - CAREY, LEA & BLANCHARD.-CHESTNUT STREET. 1837. 女 Icon 413.4.26 1843, Feb. 21. Gift of Entered according to the Act of Congress, in the year 1837, by CAREY, LEA & BLANCHARD, in the Clerk's Office of the District Court of the United States in and for the Eastern District of Pennsylvania. ERRATA. Page 21. The extract from Col. Torrens, in the note to this page, should have been as follows: "Wealth, considered as the object of economical science, consists of those material articles which are useful or desirable to man, and which it requires some portion of voluntary exertion to procure or preserve.”—p. 1. 41, line 2, for "they were," read “it was.” 66 "113, line 7 from foot, for "houses," read "horses." " 172, 66 2, for "doubled," read "almost doubled." "200, note, line 7 from foot, for "the demand," read "increase of the de |