they might otherwise have been that their importation should not exceed what was necessary for the supply of the home market. The home market was at all times likely to be more scantily supplied; the commodities were at all times likely to be somewhat dearer there than they would have been had the exportation been rendered as free as the importation.

By the above-mentioned statute, gum senega, or gum arabic, being among the enumerated dyeing drugs, might be imported duty free.

They were subjected, indeed, to a small poundage duty, amounting only to threepence in the hundredweight upon their re-exportation. France enjoyed, at that time, an exclusive trade to the country most productive of those drugs, that which lies in the neighbourhood of the Senegal; and the British market could not