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Originally appearing in Volume V03, Page 213 of the 1911 Encyclopedia Britannica.
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BAHREIN ISLANDS, a group of islands situated about 20 M. east of the coast of El Hasa, in the Persian Gulf, a little to the south of the port of El Katif, which, if rightly identified with the ancient Gerrha, has been celebrated throughout history as the mart of Indian trade, the starting-point 'of caravans across Arabia. The largest of the group is called Bahrein. It is about 27 M. long from north to south and about to wide—a low flat space of sandy waste with cultivated oases and palm groves of great luxuriance and beauty. The rocky hill of Jebel Dukhan (the " mountain of the mist ") rises in the midst of it to a height of 400 ft. The rest of the group are of coral formation. The next island in size to Bahrein is Moharek, curved in shape, and about 5 M. long by i m. in breadth. It lies 1 m. to the north of Bahrein. Sitrah (4 M. long) Nebbi, Saleh, Sayeh, Khasifeh and Arad (4 m. long) complete the group. Of these minor islands Arad alone retains its classical name. The climate is mild, but humid, and rather unhealthy. The soil is for the most part fertile, and produces rice, pot herbs and fruits, of which the citrons are especially good. Water is abundant. Fish of all kinds abound off the coast, and are very cheap in the markets. The inhabitants are a mixed race of Arab, Omanite and Persian blood, slender and small in their physical appearance; they possess great activity and intelligence, and are known in all the ports of the Persian Gulf for their commercial and industrial ability. The sea around the Bahrein islands is shallow, so shallow as to admit only of the approach of native craft, and the harbour is closely shut in by reefs. There is very little doubt that it wasfrom these islands that the Puni, or Phoenicians, emigrated north-wards to the Mediterranean. Bahrein has always been the centre of the pearl fishing industry of the Persian Gulf. There are about 400 boats now employed in the pearl fisheries, each of them paying a tax to the Sheik. The pearl export from Linja is valued at about £30,000 to £35,000 per annum. The capital town of Bahrein is Manameh, a long, straggling, narrow town of about 8000 inhabitants, chiefly of the Wahabi sect. Manameh is adjacent to the most northern point of the island, and looks across the narrow strait to Moharek. Fish and sea-weed form the staple food of the islanders. The water-supply of Moharek is probably unique. It is derived from springs which burst through the beds below sea-level with such force as to retain their freshness in the midst of the surrounding salt water. Scattered through the islands are some fifty villages, each possessing its own date groves and. cultivation, forming features in the landscape of great fertility and beauty. Most of these villages are walled in for protection The Portuguese obtained possession of the islands in 1507, but were driven from their settlements in that quarter by Shah Abbas in 1622. The islands afterwards became an object of contention between the Persians and Arabs, and at last the Arabian tribe of the Athubis made themselves masters of them in 1784. The present Sheik of Bahrein (who lives chiefly at Moharek) is of the family of El Kalifa. This ruling race was driven from the mainland,(where they held great possessions) by the Turks about 1850. In the year 1867 the Persians threatened Bahrein, and in 1875 the Turks laid their hands on it. British interference in both cases was successful in maintaining the integrity of Arab rule, and the Bahrein islands are now under British protection. To the south-west of the picturesque belts of palm trees which stretch inland from the northern coast of Bahrein, is a wide space of open sandy plain filled with gigantic tumuli or earth mounds, of which the outer layers of gravel and clay have been hardened by the weather action of centuries to the consistency of con-glomerate. Within these mounds are two-chambered sepulchres, built of huge slabs of limestone, several of which have been opened and examined by Durand, Bent and others, and found to contain relics of undoubted Phoenician design. Scattered here and there throughout the islands are isolated mounds, or smaller groups, all of which are of the same appearance, and probably of similar origin. (T. H. H.*) BAHR-EL-GHAZAL, the chief western affluent of the river Nile, N.E. Africa, which it joines in 90 30' N., 30 25' E. The Bahr-el-Ghazal (Gazelle river) is a deep stream formed by the junction of many rivers, of which the Jur (see below) is the most important. The basin of the Ghazal is a large one, extending north-west to Darfur, and south-west to the Congo watershed. The main northern feeder of the Ghazal is a large river, whose headwaters are in the country west of 240 E. where the Nile, Congo and Shari watersheds meet. Reinforced by intermittent streams from the hills of Darfur and by considerable rivers flowing north from Dar Fertit, this river after reaching as far north as about 10° 3o' pursues a general south-easterly direction until it joins the Ghazal 87 m. above the Deleb confluence (see below). This main northern feeder passes through the country of 'the Homr Arabs and Bahr-el-Homr may be adopted as its name. On many maps it is marked as the Bahr-el-Arab, a designation also used as an alternative name for the Loll another tributary of the Ghazal, which eventually unites with the Bahr-el-Home. The Bahr-el-Homr in its lower reaches was in 1906 completely blocked by sudd (q.v.), and then brought no water into the Bahr-el-Ghazal. The Sudan government, however, sent engineering parties to remove the sudd blocks and open out a continuous waterway. This Bahr-el-Homr .is the only affluent of 1 The Lol is also called the Kir, a name given likewise to the lower course of the Bahr-el-Homr. The confusion of names' is partly attributable to the fact that each tribe has a different name for the same stream. It is also due in part,to the belief that there was a large river flowing between the Bahr-el-Homr and the Lol. This third river, geperally,called the Kir, has proved to be only the lower course of the Lei or Bahr-el-Arab. importance which has tributaries coming from north of the main stream; the rest of the very numerous affluents have their rise in the hilly country which stretches from Albert Nyanza in a general north-west direction as far as 23° E., and forms the water- shed between the Nile basin and that of the Congo. Chief The most westerly is the Lol or Bahr-el-Arab. It rises, affluents. as the Boro or Telgona, in Dar Fertit, and receives from the south and south-west the Raga, Sopo, Chel and Bongo. Dem Zobeir, formerly the chief station of Zobeir Rahama (q.v.), is near the Biri tributary of the Chel, in 7° 40' N., 26° 10 E. The Lol maintains a fairly straight course east to about 28° E., when it turns north-cast, and in about 282° E., 92° N., joins the Bahrel-Homr. The chief of the southern affluents, and that tributary of the Ghazal which contributes the largest volume of water, is the Jur, known in its upper course as the Sue, Swe or Souch. The Sue rises north of 4° N. in about 29° E., within three or four days' journey of the navigable waters of the Mbomu, a northern sub-tributary of the Congo. After flowing north for several hundred miles the Sue, now the Jur, is joined on the left bank, in about 7° 30' N., 28° E., by the Wau, a considerable river whose headwaters are west of those of the Jur. The united stream now turns east and joins the Ghazal through a lake-like expansion (see below). The town of Wau (7° 42' N., 28° 3' E.), on the Jut, is the capital of the Bahr-el-Ghazal province of the Anglo-Egyptian Sudan. Meshra-er-Rek, the chief station and trading centre of the first European visitors to the country, is on a backwater south of this lake. Between the Jur and the Nile, and following a course generally parallel with these rivers, several streams run north from the Congo-Nile watershed and join the Bahr-el-Ghazal. The Tonj, the most westerly of these rivers, joins the Jur a little above its confluence with the Ghazal. The Rohl (or Yalo), farther east, empties into a wide channel known as Khor Deleb, which joins the Ghazal some 9 M. above Lake No, and from the confluence the stream is known as the Deleb. Lake No is little more than a depression into which the waters of the Ghazal system pass near the point of junction with the Bahr-el-Jebel. The lake is about 7 m. long from west to east, and the Bahr-el-Jebel, after passing through its eastern corner, changes its name to Bahr-el-Abiad or White Nile. In their upper courses all the southern affluents of the Ghazal flow across a plateau of ferruginous laterite, their valleys having steep banks. North of 7° 20' N. (where rapids interrupt the currents) the valleys open out and the rivers wind in tortuous channels often choked by sandbanks. This alluvial region, flooded in the rainy season, gives place about g° N. to a sea of swamps, forming in fact part of the huge swamp region of the Nile (q.v.). Through these swamps it is almost impossible to trace the course of the various rivers. The Bahr-el-Ghazal itself is described as a drainage channel rather than a true river. From the confluence of the Lol with the Jur, above which point none of the rivers is called Bahr-el-Ghazal, to the junction with the Nile at Lake No, is a distance of about 200 m. Just above the Lol confluence the Jur broadens out and forms a lake (Ambadi) 10 m. long and over a mile broad at low water and very much larger in flood time. This lake is the home of many sudd plants of the " swimming " variety—papyrus and ambach are absent. The Balaeniceps rex, elsewhere rare, is found here in large numbers. At first the Ghazal flows north with lagoon-like expansions having great breadth and little depth—nowhere more than 13 ft. Turning north-east the channel becomes narrower and deeper, and is characterized by occasional reaches of papyrus. Finally, the Ghazal turns east and again becomes broader until Lake No is reached. As a rule the banks in this section are marked by anthills and scrub. The anthills in one valley are so close together that they somewhat resemble a gigantic graveyard " (Sir William Garstin). The rise of the Ghazal river in flood time is barely 3 ft., a depth sufficient, however, to place an enormous area of country under water. Exploration of the River.—Rumours of the existence of the Bahr-el-Ghazal led some of the Greek geographers to imagine that the source of the Nile was westward in the direction of Lake Chad. The first map on which the course of the Ghazal-BAHYA 213 is indicated with anything like accuracy is that of the French cartographer d'Anville, published in 1772. The exploration of the river followed the ascent of the White Nile by the Egyptian expeditions of 1839–1842. For a considerable portion of the period between 1853 and 1865 John Petherick, a Welshman, originally a mining engineer, explored the Ghazal region, particularly the main stream and the Jur. In 1859 a Venetian, Giovanni Miani, penetrated the southern regions of the Ghazal basin and was the first to bring back reports of a great river (the Welle) flowing west beyond the Nile watershed. In 1862 a Frenchman named Lejean surveyed the main river, of which he published a map. In 1863 Miss Alexandrine Tinne (q.v.) with a large party of friends and scientists ascended the Ghazal with the intention of seeing how far west the basin of the Nile extended. The chief scientists of the party were the Germans, Theodor von Heuglin and Hermann Steudner. Considerable additions to the knowledge of the region were made by this expedition, five out of the nine white members of which died from blackwater fever.' Georg Schweinfurth (q.v.) between 1869 and 1871 traversed the whole of the southern district, and crossing the watershed discovered the Welle. The efforts to destroy the slave trade in the Ghazal province led (1879–1881) to the further exploration of the river and its tributaries by Gessi Pasha, the Italian governor under General C. G. Gordon. Wilhelm Junker (q.v.) about the same period also explored the southern tributaries of the Ghazal. These were carefully surveyed, and the Jur (Sue) followed throughout its course by Lieutenant A. H. Dye and other members of the French mission under Colonel (then Captain) J. B. Marchand, which crossing from the Congo (Oct. 1897) reached Fashoda on the White Nile in July 1898. Like the Bahr-el-Jebel the Bahr-el-Ghazal is liable to be choked by sudd. Gessi Pasha was imprisoned in it for some six weeks. The river became almost blocked by the accumulation of this obstruction during the rule of the Mandists. In Igor and following years the sudd was removed by British officers from the Bahr-el-Ghazal, the Jur and other rivers. Uninterrupted steamboat communication was thus established during the flood season between Khartum and Wau, a distance of some 930 M. In 1905–1907 R. C. Bayldon, a British naval officer, Capt. C. Percival and Lieut. D. Comyn partly explored the northern and western affluents of the Ghazal, and threw some light on the puzzling hydrography and nomenclature of those tributaries. See NILE and the authorities there quoted, especially Sir William Garstin's Report upon the Basin of the Upper Nile, Egypt, No. 2 (1904), and Capt. H. G. Lyons's The Physiography of the River Nile and its Basin (Cairo, 19061; also The Geographical Journal, vol. xxx. (1907). (W. E. G.; F. R. C.)
BAHUT (a French word of unknown origin)

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