A letter to the Right Honourable the Lord Colvill, rear admiral of the White Squadron, and late commander in chief, of His Majesty's Squadron in North-america, wrote by Lt. Robert Dugdale, late commander of His Majesty's arm'd schooner the Magdalen : Who was cashiered, and rendered incapable of ever serving His Majesty, his heirs or successors, by the sentence of a court martial, for receiving on board, or permitting to be received on board the said schooner, eighty-five barrels of beef and pork, and carrying the same round from Louisbourg to Halifax; proved to be of relief to His Majesty's infant colony, called Nova-Scotia; he receiving freight for the same, so adjudged by the Hon. Court Martial, held on the 17th of November, 1764, in Halifax harbour: with some anecdotes, relative to the conduct of Lord Colvill, during the time of his command as commodore in America, from the latter end of 1759 to 1762.