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 to the Teutonic Knights. Tsar Alexis of Russia plundered and burnt it in 1655. Here the Russians defeated the Poles on the 26th of June 1831.

 KOVROV, a town of Russia, in the government of Vladimir, 40 m. N.E. of the city of Vladimir by the railway from Moscow to Nizhniy-Novgorod, and on the Klyazma River. It has railway-carriage works, cotton mills, steam flour mills, tallow works and quarries of limestone, and carries on an active trade in the export of wooden wares and in the import of grain, salt and fish, brought from the Volga governments. Pop. (1890), 6600; (1900), 16,806.

KOWTOW, or, the Chinese ceremonial act of prostration as a sign of homage, submission, or worship. The word is formed from ko, knock, and tou, head. To the emperor, the “kowtow” is performed by kneeling three times, each act accompanied by touching the ground with the forehead.

KOZLOV, a town of Russia, in the government of Tambov, on the Lyesnoi Voronezh River, 45 m. W.N.W. of the city of Tambov by rail. Pop. (1900), 41,555. Kozlov had its origin in a small monastery, founded in the forest in 1627; nine years later, an earthwork was raised close by, for the protection of the Russian frontier against the Tatars. Situated in a very fertile country, on the highway to Astrakhan and at the head of water communication with the Don, the town soon became a centre of trade; as the junction of the railways leading to the Sea of Azov, to Tsaritsyn on the lower Volga, to Saratov and to Orel, its importance has recently been still further increased. Its export of cattle, grain, meat, eggs (22,000,000), tallow, hides, &c., is steadily growing, and it possesses factories, flour mills, tallow works, distilleries, tanneries and glue works.

 KRAAL, also spelt craal, kraul, &c. (South African Dutch, derived possibly from a native African word, but probably from the Spanish corral, Portuguese curral, an enclosure for horses, cattle and the like), in South and Central Africa, a native village surrounded by a palisade, mud wall or other fencing roughly circular in form; by transference, the community living within the enclosure. Folds for animals and enclosures made specially for defensive purposes are also called kraals.

 KRAFFT (or ), ADAM (c. 1455–1507), German sculptor, of the Nuremberg school, was born, probably at Nuremberg, about the middle of the 15th century, and died, some say in the hospital, at Schwabach, about 1507. He seems to have emerged as sculptor about 1490, the date of the seven reliefs of scenes from the life of Christ, which, like almost every other specimen of his work, are at Nuremberg. The date of his last work, an Entombment, with fifteen life-size figures, in the Holzschuher chapel of the St John’s cemetery, is 1507. Besides these, Krafft’s chief works are several monumental reliefs in the various churches of Nuremberg; he produced the great Schreyer monument (1492) for St Sebald’s at Nuremberg, a skilful though mannered piece of sculpture opposite the Rathaus, with realistic figures in the costume of the time, carved in a way more suited to wood than stone, and too pictorial in effect; Christ bearing the Cross, above the altar of the same church; and various works made for public and private buildings, as the relief over the door of the Wagehaus, a St George and the Dragon, several Madonnas, and some purely decorative pieces, as coats of arms. His masterpiece is perhaps the magnificent tabernacle, 62 ft. high, in the church of St Laurence (1493–1500). He also made the great tabernacle for the Host, 80 ft. high, covered with statuettes, in Ulm Cathedral, and the very spirited “Stations of the Cross” on the road to the Nuremberg cemetery.

See Adam Krafft und seine Schule, by Friedrich Wanderer (1869); Adam Krafft und die Künstler seiner Zeit, by Berthold Daun (1897); Albert Gümbel in Repertorium für Kunstwissenschaft, Bd. xxv. Heft 5, 1902.

KRAGUYEVATS (also written and ), the capital of the Kraguyevats department of Servia; situated 59 m. S.S.W. of Belgrade, in a valley of the Shumadia, or “forest-land,” and on the Lepenitsa, a small stream flowing north-east to join the Morava. On the opposite bank stands the picturesque hamlet of Obilichevo, with a large powder factory. Kraguyevats itself is the main arsenal of Servia, and possesses an iron-foundry and a steam flour-mill. It is the seat of the district prefecture, of a tribunal, of a fine library, and of a large garrison. It boasts the finest college building and the finest modern cathedral (in Byzantine style) in Servia. In the first years of Servia’s autonomy under Prince Milosh, it was the residence of the prince and the seat of government (1818–1839). Even later, between 1868 and 1880, the national assembly (Narodna Skupshtina) usually met there. In 1885 it was connected by a branch line (Kraguyevats-Lapovo) with the principal railway (Belgrade-Nish), and thenceforward the prosperity of the town steadily increased. Pop. (1900), 14,160.

KRAKATOA, a small volcanic island in Sunda Strait, between the islands of Java and Sumatra, celebrated for its eruption in 1883, one of the most stupendous ever recorded. At some early period a large volcano rose in the centre of the tract where the Sunda Strait now runs. Long before any European had visited these waters an explosion took place by which the mountain was so completely blown away that only the outer portions of its base were left as a broken ring of islands. Subsequent eruptions gradually built up a new series of small cones within the great crater ring. Of these the most important rose to a height of 2623 ft. above the sea and formed the peak of the volcanic island of Krakatoa. But compared with the great neighbouring volcanoes of Java and Sumatra, the islets of the Sunda Strait were comparatively unknown. Krakatoa was uninhabited, and no satisfactory map or chart of it had been made. In 1680 it appears to have been in eruption, when great earthquakes took place and large quantities of pumice were ejected. But the effects of this disturbance had been so concealed by the subsequent spread of tropical vegetation that the very occurrence of the eruption had sometimes been called in question. At last, about 1877, earthquakes began to occur frequently in the Sunda Strait and continued for the next few years. In 1883 the manifestations of subterranean commotion became more decided, for in May Krakatoa broke out in eruption. For some time the efforts of the volcano appear to have consisted mainly in the discharge of pumice and dust, with the usual accompaniment of detonations and earthquakes. But on the 26th of August a succession of paroxysmal explosions began which lasted till the morning of the 28th. The four most violent took place on the morning of the 27th. The whole of the northern and lower portion of the island of Krakatoa, lying within the original crater ring of prehistoric times, was blown away; the northern part of the cone of Rakata almost entirely disappeared, leaving a vertical cliff which laid bare the inner structure of that volcano. Instead of the volcanic island which had previously existed, and rose from 300 to 1400 ft. above the sea, there was now left a submarine cavity, the bottom of which was here and there more than 1000 ft. below the sea-level. This prodigious evisceration was the result of successive violent explosions of the superheated vapour absorbed in the molten magma within the crust of the earth. The vigour and repetition of these explosions, it has been suggested, may have been caused by sudden inrushes of the water of the ocean as the throat of the volcano was cleared and the crater ring was lowered and ruptured. The access of large bodies of cold water to the top of the column of molten lava would probably give rise at once to some minor explosions, and then to a chilling of the surface of the lava and a consequent temporary diminution or even cessation of the volcanic eructations. But until the pent-up water-vapour in the lava below had found relief it would only gather strength until it was able to burst through the chilled crust and overlying water, and to hurl a vast mass of cooled lava, pumice and dust into the air.

The amount of material discharged during the two days of paroxysmal energy was enormous, though there are no satisfactory data for even approximately estimating it. A large cavity was formed where the island had previously stood, and the sea-bottom around this crater was covered with a wide and thick sheet of fragmentary materials. Some of the surrounding islands received such a thick accumulation of ejected stones and