Abu-Bekr, or Father of the Virgin, born 570 died 634, the father-in-law and first successor of Mahomet. His right to the succession was unsuccessfully contested by Ali, Mahomet's son-in-law, and a schism took place, which divided the Mahommedans into the two great sects of Sunnites and Shiites, the former maintaining the validity of Abu-Bekr's and the latter that of Ali's claim.

Abukir′. See Aboukir.

Abu Klea, a group of wells, surrounded by steep, black mountains, about 120 miles from Khartoum, in the Sudan, where, on the 17th Jan., 1885, Sir Herbert Stewart, with 1500 men, defeated the Mahdi's troops numbering 10,000.

Abulfara′gius, Gregory, a distinguished scholar, a Jew by birth (hence the name of Barhebræus, often given him), author of numerous works in Arabic and Syriac, was born in Armenia in 1226, died in 1286. About 1264 he was consecrated Bishop of Gubas; he was afterwards translated to Aleppo and was appointed primate of the Jacobite Christians. His principal work is a History of the World from the Creation to his own day, written in Syriac, with an abridged version in Arabic, entitled The Abridged History of the Dynasties.

Abul′feda, Arab writer, Prince of Hamah, in Syria, of the same family as Saladin, famous as an historian and geographer, was born at Damascus 1273, died 1331. Amid the cares of government he devoted himself with zeal to study, drew the learned around him, and rendered his power and wealth subservient to the cause of science. His most important works are his History of the Human Race (the portion from the birth of Mahomet to his own time being valuable), and his geography called The True Situation of Countries.

Abunda, a Bantu race of Angola, living on the coastlands and on the terraces rising towards the interior, and divided into 'highlanders' and 'lowlanders'. They speak Portuguese and Umbunda, a trade language.

Abushehr (ä-bö-shār′). See Bushire.

Abu-Simbel. See Ibsambul.

Abu′tilon, a genus of plants, order Malvaceæ, sometimes called Indian mallows, found in the East Indies, Australia, Brazil, Siberia, &c. Several of them yield a valuable hemp-like fibre, as A. indicum and A. Avicennæ. The latter, now a troublesome weed in the Middle United States, has been recommended for cultivation, and is sometimes called American jute.

Abut′ment, the part of a bridge which receives and resists the lateral outward thrust of an arch; the masonry, rock, or other solid materials from which an arch springs.