-MACKAY, CHARLES, an English author, b. in Perth in 1812; educated in London and Brussels. From the age of 22 to 32 he was engaged on the London Morning Chron icle; then for three years editor of the Glasgow Argus. He lectured in the United States in 1858; established the London Rerkw in 1860; was correspondent of the London Times from the United States during the great rebellion. He has subsequently resided in London. Mr. Mackay's prose style is remarkably- terse and clear, abounding in poetical forins of expression. He published volumes of poems in 1834 and 1840; Memoirs of Pop ular Delusions, 3 vols., 1841; the Salamandrine, a poem, 1842; Legends of the Islands and Other Poems, 1845; The Scenery and Poetry of the English, La/ea, and Voices from Me , Crowd, 1846; Voices from lite Mountains, 1847; Town Lyri'cs and The Battle, poems, 1848; and a considerable number in volumes published since. Lost Beauties and Per ishing Graces of the English Language, 1874, is one of his latest works.
McKAY, DONALD, b, Shelburne, Nova Scotia 1809; learned the trade of ship-builder in New York; went into the business in Newburyport, Mass.; and in 1845 established a shipyard at East Boston that became famous for the splendid improvements introduced in ',lie models of clipper ships of great size, built for the California ancl Australia trade. In 1853 he produced the ship Great Republic of 4,500 tons burden, which, for a time, was the largest in the world.
McKEAN, n.w. co. of Pennsylvania, on the border of New York, traversed by the Philadelphia and Erie, and Buffalo, Bradford and Pittsburg railroads; 1000 sq.m.; pop. '70, 8,825. It is a mountainous region, containing coal and iron, and heavily timbered. The inhabitants are occupied in lumbering and dairying. Co. scat, Smeth port.