DUNSTABURGH-CASTLE, (Northumberland) on the sea-side, bet. the Coquet and Fern-Islands, or bet. Aylmouth and Bamburgh- Castle, bel. formerly to the Es. of Lancaster; of whom Thomas, in the R. of Edw. II. was, for rebellion, beheaded on a plain without the T. where a beautiful Ch. was afterwards erected to his memory. The castle, which came afterwards to John of Gaunt, E. of Richmond, and D. of Lancaster, continued in that family, till Edw. IV. besieged, battered and mined it. This place is noted for a sort of stones, like those of St. Vincent's-Rock near Bristol. The soil here is so fruitful, that Dr. Gibson, late Bp. of London, in his additions to Camden, reports, that 240 bushels of corn, besides several cart loads of hay, were produced not long ago, within the circumference of this castle.