Pate BP A Ce: xiii

different varieties of them, fo as to make any one kind

}

of food, on all occafions, produce the greateft poffible

effect. And,

3d, The knowledge of foils; the way of manuring and cultivating thefe, fo as beft to fit them for rearing

fuch valuable plants as may be moft beneficial to the

a J

farmer. For,

Unlefs a man is acquainted with ai/ the plants that can be reared in his foil or climate, and with a// the diftinguifhing qualities, and peculiar properties* of

each, fo as to know with certainty in what circum-

* This paflage has fomewhat the appearance of a tauto- logy, or unmeaning amplification, that the Author knew not how to avoid. By diftinguifbing qualities, he would wifh to denote thofe peculiarities that are often remarked in the manner of growth, time of vegetating,&c. of plants; and by peculiar properties, he would be underftood to mean the yuedical qualities, if he may ufe that expreffion, or thofe qualities by which they are fitted to affect the animal eco- nomy, when confumed by any living creature. The mean- ing of this diftinétion will be more obvious from many paf-

ages in the follawing Difquifitions.

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