an extensive sandbank in the North Sea, lying between the coasts of England and Holland. Its western extremity extends nearly to Scarborough in Yorkshire, and its eastern to within 20 leagues of the coast of Jutland. It is the seat of important fisheries, and in 1781 was the scene of an obstinate naval engagement between the English and Dutch.

DOGTERS, in the English alum works, a name given to a sort of stone found in the mines with the true alum-rock. They contain some alum, and in some places in such quantity that they are wrought to advantage.