DALKEITH, a town of Scotland, in Mid-Lothian, six miles south-east of Edinburgh; W. Long. 2. 20. N. Lat. 55. 50. It is the principal residence of the Duke of Buccleugh, who has here a noble house and extensive parks. In this house, which at the time was the head-quarters of General Monk, the restoration of Charles II. was planned.—The Duke's eldest son has the title of Earl of Dalkeith. Here is a considerable market weekly on Thursdays, which supplies in part both Edinburgh and Glasgow.