EAST PRUSSIA, the detached easternmost province of the Land of Prussia, bounded north-west by the Baltic sea. north and east by Lithuania, south by Poland, west by the territory of the free city of Danzig. Area, 14,283 sq. miles. Pop. (1933) density 163 per sq. mile. It is part of the north Ger man plain diversified in the south by morainic plateaux, thickly studded with small lakes. The dune-coast is fringed by lagoons (Frisches Haff and Kurisches Haff) with eastward projecting sand spits to seawards. East Prussia has a mean annual temperature of 44° F, the January average at Konigsberg being 26.8° and at Tilsit 25°, the lowest in Germany. The rainfall is 24 in. per an num. On the cultivated lands, which comprise about half the province, chiefly in the valleys of the north, are grown oats, rye, potatoes and flax (mainly in Ermeland). Horses and cattle are bred on the pastures. The south of the province is composed largely of forest, sterile moor, sand and bog, where a few wolves and lynxes still survive. Fishing is carried on in the lakes and haffs, while in Samland amber is found in great abundance. Ex cept for linen weaving, which is practised as a domestic industry, manufactures are confined to the principal towns and the goods are borne on canals which link up the Memel, the Pregel and the principal lakes. Foreign trade (main exports, timber and grain) is conducted through Konigsberg (q.v.), the capital. The popula tion is predominantly German and Protestant except in Ermeland where Roman Catholics are in the majority and in the south where Poles have settled.