DENNEWITZ 324 DENTEX 8, 1920, an amendment to the Danish constitution, incorporating North Schles- vfig into Denmark was ratified in a general referendum, 613,471 voting "yes," against 19,490 voting "no." The constitution required that an amend- ment must be ratified by at least 45% of the total number of persons entitled to vote. The islands comprising the Danish West Indies were sold to the United States for $25,000,000. A treaty pro- viding for the transfer was ratified by Denmark on Dec, 22, 1916, and by the United States on Jan. 16, 1917. See Virgin Island. DENNEWITZ (denVvits), a small Prussian village in the circle of Potsdam, province of Brandenburg, famous for the battle between the French and Prussians, Sept. 6, 1813, in which the latter, aided toward the end by Russian and Swedish armies, were victorious. DENNET, JOSEPH VILLIEBS, an American educator, born at Aurora, 111., in 1862. He graduated from the Uni- versity of Michigan in 1885 and studied law in the law department of the same institution. After carrying on post-grad- uate studies in Germany and France he engaged in journalism for two years. He was then engaged in teaching in the high schools until 1891, when he was appointed assistant professor of rhetoric at the Ohio State University. He became successively professor of rhetoric and English literature, and dean of the Col- lege of Arts, Philosophy, and Science at that institution. He was a member of several learned societies and was the editor of many well-known works in English language and literature. DENNISON, a village of Ohio, in Tuscarawas co. It is on the Pittsburgh, Cincinnati, Chicago, and St. Louis Rail- road and on the Panhandle Ohio Canal. The notable buildings include a hospital and a public library, and its industries include railway workshops and sewer- pipe works. Pop. (1910) 4,008; (1920) 5,524. DENNY, COLLINS, an American Methodist Episcopal bishop and educator, bom in Winchester, Va., in 1854. He graduated from Princeton University in 1876 and after studying law began prac- ticing in Baltimore in 1877. In 1880 he entered the ministry of the Methodist Episcopal Church of the South and was engaged in missions with that denomi- nation for several years, and from 1891 to 1910 he was professor of mental and moral philosophy at the Vanderbilt Uni- versity. In the latter year he was ap- pointed bishop of the Methodist Epis- copal Church of the South. From 1910 he was secretary of the College of Bish- ops. He was a member of the Virginia Council of National Defense in 1917. He was also a member of the Virginia War History Commission. He was a frequent contributor to denominational magazines. DENNY, GEOBGE HUTCHESON, an American educator, born in Hanover county, Va., in 1870. He graduated from Hampden-Sidney College in 1891 and afterward took post-graduate studies in several universities, becoming a tutor in Hampton-Sidney College. From 1896 to 1899 he was professor of Latin, acting president, and president of Washington and Lee University, and in 1912 was elected president of the University of Alabama. He was a member of many educational societies and in 1912 was president of the Alabama State Board of Arbitration. He was the author of sev- eral books on educational subjects. DENSITY, that quality of a body which depends upon the denseness or close cohesion of its constituent particles. It is estimated by the proportion which the bulk bears to the weight. Thus, if there be two bodies of equal bulk, but of different weights, then the body of greater weight is of greater density. Thus the density is seen to be directly proportional to the quantity of matter, and indirectly proportional to the bulk. DENTALITIM, a genus of gaster- opodous mollusks, the shell of which con- sists of a tubular arcuated cone open at both ends, and resembling the tusk of an elephant in miniature. There are many species known by the common name of tooth-shells. DENTABIA, coral-root, a genus of plants, natural order Cruciferse. There are about 20 species, natives of temper- ate countries. They are ornamental herbs, with creeping singularly toothed root-stocks, from which they receive the names of coral-root and toothwort. The stem-leaves are opposite or in whorls of three, and the flowers are large and pur- ple. D. bulbifera, the only British spe- cies, is a rare plant in the S. E. of Eng- land. D. diphylla, or pepperwort, a North American species, has roots that are used as mustard. DENTEX, a genus of acanthoptery- gious fishes, belonging to the family sparidas. In each jaw there is a row of strong, conic teeth. The dorsal fin is slightly emarginate. D. vulgaris, also called the four -toothed sparus, is a large fish. It is a native of the mouths of the rivers in Dalmatia and the Levant.
