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LEFT SHABON 373 SHARP sharp, and formed for cutting, often with serrated edges, but in some genera they form a solid pavement-like mass. Sharks are scaleless, and the skin is usually very rough (see Shagreen). They are most numerous in tropical seas. The larger sharks, are exclusively carnivorous, and some of them extremely dangerous to man The smaller sharks are popularly SHARP, DALLAS LORE, an Ameri- can writer and educator, born at Haley- ville, N. J., in 1870. He graduated from Brown University, in 1895, and studied theology at the Boston University. He was ordained to the Methodist Episco- pal ministry in 1895, and served as pas- tor of a church in Massachusetts until 1899, when he was appointed assistant HAMMERHEAD SHARK known as dog fishes or hounds, and do great damage to fishermen's lines and nets. The flesh of sharks is coarse, but it is sometimes eaten; the Chinese use sharks' fins for making thick gelatinous soups, and the liver yields an oil. The rough skin is employed by joiners to pol- ish fine-grained wood, and by cutlers to cover the hilts of swords to make them firmer in the grasp. Figurately, a greedy, artful fellow; one who fills his pocket by sly tricks. SHARON, a borough of Pennsylvania, in Mercer co. It is on the Shenango river, and on the Pennsylvania, the Lake Shore, and Michigan Southern, the Pitts- burgh and Lake Erie, and the Erie rail- roads. It is the center of an important steel and iron industry, and has rolling mills, furnaces, boiler shops, ordnance works, and manufactures of explosives, nails, chains, stoves, and lumber products. It has also important coal mining inter- ests. Pop. (1910) 15,270; (1920) 21,747. SHARP, a part of a stream where the current runs very rapidly ; as, sharps and eddies. In music, a sign, which, when prefixed to a note, elevates it by a semi- tone in the scale. When placed at the beginning of a piece of music, it denotes that all the notes on the line or space on which it is placed, and their octaves above and below, are to be played sharp. A double sharp X raises a note two semi- tones. To brace sharp, in nautical lan- guage to brace the yards as obliquely as possible, in order to bring a ship well up to the wind. librarian of the Boston University. In 1902 he became assistant professor of English at that institute, and full pro- fessor in 1909. His books and articles on nature subjects obtained a wide popu- larity. They include "Wild Life Near Home" (1901) ; "The Face of the Fields" (1911); "Winter" (1912); "Beyond the Pasture Bars" (1913); "The Hills of Hingham" (1916). SHARP, ELIZABETH AMELIA (Mrs. William Sharp), an English art critic, born at London in 1856. She was edu- cated privately and at University College, London, and in 1884 married the late William Sharp (Fiona Macleod). Her works include: "Women Poets"; "Sea-Mu- sic"; "Heine's Italian Travel Sketches"; "Heine's Art and Letters"; "Lyra Cel- tica, an Anthology of the Poetry of the Celt"; "A Monograph on Rembrandt"; "William Sharp, a Memoir"; "Collected Writings of Fiona Macleod" (7 vols.) ; "Selected Writings of William Sharp" (5 vols.). SHARP, ROBEBT, an American edu- cator, born at Lawrenceville, Va., in 1851. He graduated from the Randolph-Macon College, in 1876, and took post-graduate studies at the University of Leipzig. He was professor of English at the Univer- sity of Louisiana from 1880 to 1884, and from 1884 to 1913 at Tulane University of Louisiana. From that year to 1918 he was president of the latter institution, and president emeritus from October, 1918. He edited several old English texts and wrote on Anglo-Saxon literature.