particular sort of animal food is dearest must naturally be that which immediately precedes the general practice of cultivating land for the sake of raising it.

For some time before this practice becomes general, the scarcity must necessarily raise the price. After it has become general, new methods of feeding are commonly fallen upon, which enable the farmer to raise upon the same quantity of ground a much greater quantity of that particular sort of animal food. The plenty not only obliges him to sell cheaper, but in consequence of these improvements he can afford to sell cheaper; for if he could not afford it, the plenty would not be of long continuance. It has been probably in this manner that the introduction of clover, turnips, carrots, cabbage, etc., has contributed to sink the common price of butcher’s meat