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ON AGRICUL TUR Ey. s

perience of every reader will eafily fatisfy him, that fo far are we from having at- tained the accuracy of knowledge‘ requir- ed above, with regard to a// the domeftic animals, that we hardly as yet know the exact comparative value of any two plants with refpeét to any fingle animal; not even the favourite horfe himfelf, who has long obtained fuch a particular fhare of attention. It is, indeed, in general, known, that certain plants may on fome occafions be employed with profit for fattening fome particular animals; but the exact propor- tional value of each has never, in any cafe that Ihave heard of, beerr afcertained by

proper experiments, with that degree of

precifion which would be neceffary in this cafe.

The only thing that approaches to this, is the attempt that the Swedith Naturalifts have made in the Pan Suecicus(-Amoenit. Acad. Vol. U1.) in which they have, by a numerous fet 6f experiments, endeavour- ed to difcover what plants are eaten or re- jected by the five moft common and moft’ valuable kinds of domeftic animals: oxen,

B 2 fheep,

ve,