The Wealth of Nations by Part 1 Chapter 11 Page 215

different sorts of game, almost all wild-fowl, all birds of passage in particular, as well as many other things. When wealth and the luxury which accompanies it increase, the demand for these is likely to increase with them, and no effort of human industry may be able to increase the supply much beyond what it was before this increase of the demand. The quantity of such commodities, therefore, remaining the same, or nearly the same, while the competition to purchase them is continually increasing, their price may rise to any degree of extravagance, and seems not to be limited by any certain boundary. If woodcocks should become so fashionable as to sell for twenty guineas apiece, no effort of human industry could increase the number of those brought to market much beyond what it is at present.

The high price paid by the