or **FOUL ISLAND**, one of the Shetland isles, lying between six and seven leagues west from the main land. It is about three miles long, narrow, and full of rough, steep, and bare rocks; one of which is so large, and runs up to such an height, that it may be clearly seen from Orkney. This, therefore, may be reckoned, with the greatest probability to be the Thule of Tacitus, whatever might be the Thule of the Phoenicians and Greeks. It has scarce any pasture, and but very little arable land; but that, however small in extent, is very fertile, out of the produce of which, with fowl and fish, the poor inhabitants subsist. They have nothing that can be called a port; and the only commodities they have are stock-fish, train-oil, and feathers.