_Profits_ of stock difficult to ascertain, 410. The quantity of labour necessary to obtain the produce of land, is the criterion by which to estimate the rate of profit, wages, and rent, 44-48. A rise in the price of corn, productive of a diminution in the money value of the farmer's profits, 117-122. A rise in the price of raw produce, if accompanied by a rise of wages, lowers the agricultural and manufacturing profits, 125-130. Proofs, that profits depend on the quantity of labour requisite to provide necessaries for labourers, on that land, or with that capital which yields no rent, 131-144. Effects of an extension of foreign trade on profits, 146, 147. Proofs, that the profits of the favoured trade will speedily subside to the general level, 148-154. And so with respect to home trade, 155-157. Further proofs that profits depend on real wages, 173-175. Tax on necessaries virtually a tax on profits, 269, 270. Effects of a taxation of profits, considered, 270-284. The profits of stock diminished by a tax on wages, 285. Effects of accumulation on profits and interest, 398-416. _Prohibition_ of importation of corn, effects of, considered, 437, 438. _Provisions_, causes of the high prices of, 203. First, a deficient supply, _ibid._--204. Secondly, a gradually increasing demand, ultimately attended with an increased cost of production, 205. Thirdly, a fall in the value of money, 209. Fourthly, a tax on necessaries, 210. R. _Rent_, nature of, 49, 50, 52, 362, _note_. Adam Smith's doctrine of rents, considered, 50, 51. The different productive qualities of land and increase of population, the cause of rents, 54-58. Rise of, the _effect_ of the increasing wealth of a country, 65, 66. Influence of the prices of corn on rent, 67-69. Effects of agricultural improvements on rent, 70-76. Observations on the rent of mines, 77-81. Tax on rent falls wholly on the landlords, 220-224. Corn-rents materially affected by tithes, 227. Examination of Dr. Adam Smith's doctrine concerning the rent of land, 458-475. And of Mr. Malthus's opinions on rent, 549-566. Increase of population is no cause of the rise of rent, 569. Neither are agricultural improvements, 570, 571. Loss of rent, the effect of low price of corn, 587, 588. _Riches_, defined, 377. Difference between value and riches, 377-386. Means of increasing the riches of a country, 386-388. Erroneous views of M. Say on this subject considered, 388-397. S.