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The particular consideration, first, of those parts of the

produce of land which always afford some rent; secondly, of those

which sometimes may and sometimes may not afford rent; and,

thirdly, of the variations which, in the different periods of

improvement, naturally take place in the relative value of those

two different sorts of rude produce, when compared both with one

another and with manufactured commodities, will divide this

chapter into three parts.

PART I.-Of the Produce of Land which always affords Rent.