MacDOUGALL, Sir Patrick Leonard, British soldier, born in Scotland in 1819. He entered the British army in 1836, and was employed on special service in the Crimea, and on the quartermaster-general's staff in the Kertch expedition. He was appointed general officer commanding the imperial forces in Canada, 21 August, 1878, and acted as administrator of the Dominion government of Canada from 19 October, 1878, when Lord Dufferin departed for England, till the arrival of the new governor-general, the Marquis of Lorne. He again was administrator during the absence of the Marquis of Lorne in England, from November, 1881, till January, 1882, and also during his visit to the United States, from 18 December, 1882, till January, 1883. General MacDougall is the author of "The Theory of War " (London, 1856) ; "Campaigns of Hannibal" (1858); and " Modern Warfare as influenced by Modern Artillery" (1864).