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Dwight (TIMOTHY an American)

TIMOTHY, an American Congregational clergyman; born in Northampton, Mass., May was president of Yale College from ay 14, 1752.

He 1795 to 1817, and was a very conspicuous figure in theology and education. His "Theology Explained and Defended" consists of a course of 173 sermons which has passed through as many as 100 editions. In addition to theological works he wrote "Essay on Light"; "Observations on Language"; "Travels in New England and New York," which is still widely quoted. He also wrote verse; an epic called "The Conquest of Canaan"; "Greenfield Hill," a pastoral; "The Triumph of Infidelity," a satire. He died in New Haven, Conn., Jan. 11, 1817.

DWINA (dwe'nä), the name of two important rivers of Europe. (1) The Northern Dwina has its origin in the confluence of the Suchona and the Jug, two streams rising in the S. of the government of Vologda, and uniting in 60° 46' N. lat., 46° 20' E. lon. The Dwina flows generally N. W. through a flat country to the Gulf of Archangel, which it enters by three principal mouths, of which only the easternmost is useful for navigation. The length of the Dwina is about 450 miles (with the Suchona, 760); its basin embraces over 140,000 square miles. Its chief tributaries are, on the left, the Vaga and Emza, and on the right the Pinega and the Vytchegda, the last having a course of some 625 miles, 500 being navigable. The volume of water poured down by this main tributary increases the breadth of the Dwina from about one-third to nearly two-thirds of a mile; near Archangel it widens to over four miles. The river is free from ice from May to October, and is a valuable channel of inland trade. Its waters also are rich in fish. (2) The Western Dwina rises in the government of Tver, not far from the sources of the Volga and the Dnieper, and flows at first W. S.

DYEING W. in a course almost parallel to the latter stream. From Vitebsk it flows W.

N. W. to the Gulf of Riga, which it enters after a course of about 580 miles, navigable from the confluence of the Mezha downward, though the numerous shallows and rapids greatly impede traffic. Its basin is estimated at 32,850 square miles; its average depth of 26 feet at Riga is increased to about 40, and its breadth of 1,400-2,400 feet is extended in some places to a mile during the heavy spring floods which overflow wide tracts of the low-lying lands on either bank.

The Western Dwina is connected with the Dnieper, and so with the Black Sea by the Beresina canal, and by other canal systems with the e Caspian Sea, and with the Neva and Gulf of Finland, etc. The territory bordering on the Dwina was the scene of almost incessant fighting during the World Wor. In 1920 the Polish and Russian Soviet armies carried almost incessant fighting and Russian Soviet armies carried on operations here, and the river became a part of the boundary between Poland and the Russian republic. See POLAND.