The Wealth of Nations by Part 5 Chapter 2 Page 117

In the greater part of those provinces of France which are called the Countries of Elections the taille is of this kind. The real taille, as it is imposed only upon a part of the lands of the country, is necessarily an unequal, but it is not always an arbitrary tax, though it is so upon some occasions. The personal taille, as it is intended to be proportioned to the profits of a certain class of people which can only be guessed at, is necessarily both arbitrary and unequal.

In France the personal taille at present (1775) annually imposed upon the twenty generalities called the Countries of Elections amounts to 40,107,239 livres, 16 sous. The proportion in which this sum is assessed upon those different provinces varies from year to year according to the reports which are made to the king’s council concerning