Sloths and anteaters are the living members of the order Pilosa, whose name refers to the animals' hairiness. Three families exist today, encompassing five genera and nine species. Six families, primarily ground sloths, are extinct. The order Pilosa is further subdivided into the suborder Vermilingua, literally “worm-tongue,” which is
Region, southwestern Guinea-Bissau, West Africa, bordered by the regions of Tombali on the south and east, Bafatá on the northeast, Oio on the north, and Biombo on the northwest. Quinará fronts the Atlantic Ocean and the region of Bolama to the southwest. It has an area of 1,139 sq mi (2,920 sq km). The Rio Grande de Buba flows east–west through the centre of the region and empties into the
French explorer in North America, who led an expedition down the Illinois and Mississippi rivers and claimed all the region watered by the Mississippi and its tributaries for Louis XIV of France, naming the region “Louisiana.” A few years later, in a luckless expedition seeking the mouth of the Mississippi, he
Also spelled Oud, stringed musical instrument prominent in medieval and modern Islamic music. It was the parent of the European lute. The 'ud has a deep, pear-shaped body; a fretless fingerboard; and a relatively shorter neck and somewhat less acutely bent-back pegbox than the European lute. The tuning pegs are set in the sides of the pegbox. The gut strings, plucked with a plectrum, are fastened
Genus of enigmatic fossil vertebrates that were very fishlike in appearance but of uncertain relationships. Palaeospondylus, from the Middle Devonian epoch (387 to 374 million years ago), has been found in the Old Red Sandstone rocks in the region of Achannaras, Scot. Hundreds of specimens are known, yet the position of this genus in relation to other fishlike vertebrates
Bárány graduated in medicine from the University of Vienna in 1900. After study at German clinics he became assistant at the ear clinic of the University of Vienna
Awoonor studied at the University College of Ghana (B.A., 1960), University College, London (M.A., 1970), and the State University of New York at Stony Brook (Ph.D., 1972). He lectured in English and African literature at the University of Ghana, directed the Ghana Film Corporation,
The first containers specifically designed for aquatic specimens were the strictly functional open-air tanks used by the Romans to preserve and fatten fish for market. It was not until the 18th century that the importation of goldfish into France from the Orient for aesthetic enjoyment created the demand for small aquariums; ceramic bowls, occasionally fitted
Any of the descendants of the pre-Arab inhabitants of North Africa. The Berbers are scattered in tribes across Morocco, Algeria, Tunisia, Libya, and Egypt and tend to be concentrated in the mountain and desert regions of those countries. Smaller numbers of Berbers live in the northern portions of Mauritania, Mali, and Niger. They speak various languages belonging to
Also spelled Mogul , Arabic Mongol Muslim dynasty that ruled most of northern India from the early 16th to the mid-18th century. The Mughal dynasty was notable for about two centuries of effective rule over much of India, for the ability of its rulers, who through seven generations maintained a record of unusual talent, and for its administrative organization. A further distinction was the attempt of the
Also called wear-resistant ceramics ceramic materials that are resistant to friction and wear. They are employed in a variety of industrial and domestic applications, including mineral processing and metallurgy. This article surveys the principal tribological ceramic materials and their areas of application.
Method of theatrical production dominant in England and the U.S. in the 19th century, consisting of a permanent company formed by a leading actor who chose his own plays, took a leading role in them, and handled business and financial arrangements. The advantages of this system became apparent in the 18th century when successful actor-managers such as Colley Cibber and
Icelandic chieftain, priest, and historian whose Íslendingabók (Libellus Islandorum; The Book of the Icelanders) is the first history of Iceland written in the vernacular. Composed before 1133 and covering the period from the settlement of Iceland up to 1120, it includes information on the founding of the Althing (parliament) and on the settlement of Greenland and
