vanadium: …(1830) by the Swedish chemist Nils Gabriel Sefström, who named it after Vanadis, the Scandinavian goddess of beauty and youth, a name suggested by the beautiful colours of vanadium’s compounds in solution. The English chemist Henry Enfield Roscoe first isolated the metal in 1867 by hydrogen reduction of vanadium dichloride,…

Sefton, metropolitan borough, metropolitan county of Merseyside, historic county of Lancashire, northwestern England. Extending along the Irish Sea coast from the Ribble estuary in the north to the Mersey estuary in the south, Sefton lies immediately north of Liverpool and includes industrial,

Earle Meadows: …American pole-vaulter who, tied with Bill Sefton, set the world record in 1937 of 4.54 m (14 feet 11 inches). Meadows and Sefton were nicknamed “the Heavenly Twins.”

Mauritius: The arts and cultural institutions: Mauritius is known for the séga, a popular folk dance consisting of suggestive movements of the hips and arms to a rhythmic beat. The dance can be traced back to the 18th century, when it was performed by slaves.

Sega Corporation, software and hardware company created in the United States—but now based in Japan—that developed computers and electronic game technology. Sega originated in 1940 as Standard Games, a coin-operated game company in Hawaii. While providing games for military bases, the company was

Sega Corporation, software and hardware company created in the United States—but now based in Japan—that developed computers and electronic game technology. Sega originated in 1940 as Standard Games, a coin-operated game company in Hawaii. While providing games for military bases, the company was

Sega Corporation: …Master System (1986) and the Sega Genesis (1988)—beginning a serious competition with its main rival, the Nintendo console, for control of the video game market.

George Segal was an American sculptor of monochromatic cast plaster figures often situated in environments of mundane furnishings and objects. Segal was educated at the Cooper Union, Pratt Institute, New York University (B.S., 1950), and Rutgers University (M.F.A., 1963) and began his artistic

The Bridge at Remagen: Phil Hartman (George Segal) is ordered to seize it. Kreuger has had the bridge mined, but the resulting explosion fails to destroy it. He is later arrested by his superiors and shot for disobeying orders. Although U.S. troops seize the bridge, it collapses shortly thereafter.

biblical literature: The modern period: Mosheh Zevi Hirsh Segal (died 1968) dealt with a wide area of biblical and related literature, maintaining the essential Mosaic authorship of the Pentateuch (supplemented by later editors who worked in Moses’ spirit). The most ambitious enterprise in this field is the “Bible Project” of…

Segamat, town, south-central Peninsular (West) Malaysia (Malaya). It lies along the Segamat River and the Kuala Lumpur–Singapore railway. Surrounded by oil-palm and rubber estates, the town is on the central Johor plains and has a small airfield. Granite and limestone quarries are nearby. Pop.

Giovanni Segantini was an Italian painter known for his Alpine landscapes and allegorical pictures, which blended Symbolist content with the technique of Neo-Impressionism. Raised by peasants in the Italian Alps as a herdsman, Segantini spent long hours of solitude in drawing. His work was noticed

Sevagram, town, eastern Maharashtra state, western India. It is situated on a level plain just east of Wardha. The town was originally called Segaon. It was given its present name by Mohandas K. Gandhi, the Indian nationalist leader. In 1936 he left his ashram (hermitage) on the Sabarmati River,

Elzie Segar was an American cartoonist and creator of “Popeye,” a comic strip in which the main character, a roughhewn sailor who gained immense strength from eating spinach, became an international folk hero. As a young man Segar worked as a house painter, sign painter, and motion-picture

Apostolic: …founded at Parma, Italy, by Gerard Segarelli, an uncultured workman, to restore what he considered the apostolic way of life. His emphasis on repentance and poverty reflected ideas propagated by Joachim of Fiore, a 12th-century mystic. In 1286 Pope Honorius IV ordered the eccentric sect to conform to an approved…

India: The government of Lord Hastings: The resulting Treaty of Segauli (1816) gave the British the tract of hill country where Shimla (Simla), the site of the future summer capital of British India, was situated, and it settled relations between Nepal and British India for the rest of the British period. Nepal remained…

Sweden: Earliest settlements: …9000 bce, were found at Segebro outside Malmö in the extreme southern reaches of Sweden, but earlier settlement could have been facilitated by land bridges between present-day Denmark and southern Sweden that existed from about 13,100–12,700 and 12,100–10,300 years ago. Finds from the peat at Ageröd in Skåne dated to…

Freaks and Geeks: Cast and characters: …drummer Nick Andopolis, played by Jason Segel; Daniel’s on-again, off-again girlfriend, hot-tempered Kim Kelly, played by Busy Philipps; and angry, sarcastic Ken Miller, played by Seth Rogen.

Kaufmann Kohler: …reflected in his doctoral dissertation, Der Segen Jacobs (1867; “Jacob’s Blessing”), on the story of Jacob found in chapter 49 of the Book of Genesis. The radicalism of this thesis, one of the earliest examples of the higher criticism of the Bible (analyzing Scripture in light of modern knowledge), excluded…

Bob Seger is an American singer, songwriter, and guitarist who achieved great popularity in the 1970s and ’80s with an earthy sound and lyrical themes rooted in the American Midwest. One of the Midwest’s most successful rock performers, Seger was musically influenced by soul and rhythm and blues

Bob Seger is an American singer, songwriter, and guitarist who achieved great popularity in the 1970s and ’80s with an earthy sound and lyrical themes rooted in the American Midwest. One of the Midwest’s most successful rock performers, Seger was musically influenced by soul and rhythm and blues

Hercules Seghers was a Dutch painter and etcher of stark, fantastic landscapes. Seghers studied with Gillis van Coninxloo in Amsterdam and was influenced by the work of Adam Elsheimer. Seghers’s style contrasts strongly with the main aspects of the Dutch output of that period; most of his works

Segesta, ancient city of Sicily, located on Monte Barbaro about 2 miles (3 km) northwest of modern Calatafimi. It was the chief city of the Elymi, a people for whom Thucydides claimed a Trojan origin; they are archaeologically indistinguishable in the Early Iron Age (c. 1000–c. 500 bc) from their

Sighișoara, town, Mureș județ (county), central Romania. Situated in the historic region of Transylvania, it is 40 miles (65 km) northeast of Sibiu city and 110 miles (175 km) northwest of Bucharest. The town circles a hill, on the summit of which stands a citadel with a ring of walls, nine extant

Dorry Segev is an Israeli-born transplant surgeon who helped advance efforts to ensure the equitable and optimal use of donor organs and who developed innovative approaches to organ transplantation, particularly for patients infected with human immunodeficiency virus (HIV). He was especially well

German literature: Other works of German Modernism: Anna Seghers’s novel Das siebte Kreuz (1942; The Seventh Cross) depicts the escape of seven prisoners, only one of whom survives, from a concentration camp. Other important exile writers were Bertolt Brecht, Joseph Roth, Franz Werfel, Arnold Zweig, and Stefan Zweig. Among the communist writers…

Charles Jean Seghers was a Roman Catholic missionary whose work in northwestern North America earned him the title Apostle of Alaska. Seghers prepared for his missions at the American College of Louvain (Leuven), Belg., was ordained in 1863, and soon embarked for the diocese of Vancouver Island,

Hercules Seghers was a Dutch painter and etcher of stark, fantastic landscapes. Seghers studied with Gillis van Coninxloo in Amsterdam and was influenced by the work of Adam Elsheimer. Seghers’s style contrasts strongly with the main aspects of the Dutch output of that period; most of his works

Hercules Seghers was a Dutch painter and etcher of stark, fantastic landscapes. Seghers studied with Gillis van Coninxloo in Amsterdam and was influenced by the work of Adam Elsheimer. Seghers’s style contrasts strongly with the main aspects of the Dutch output of that period; most of his works

Hercules Seghers was a Dutch painter and etcher of stark, fantastic landscapes. Seghers studied with Gillis van Coninxloo in Amsterdam and was influenced by the work of Adam Elsheimer. Seghers’s style contrasts strongly with the main aspects of the Dutch output of that period; most of his works

computer science: Operating systems: …(pages) or variable-size blocks (segments) of the job are read into main memory as needed. Questions such as how much main memory space to allocate to users and which pages or segments should be returned to disk (“swapped out”) to make room for incoming pages or segments must be…

culture: Social organization: Segment is defined as one of an indefinite number of groupings all of which are alike in structure and function: families, lineages, clans, and so on. On more advanced levels of development there are occupational classes, such as farmers, pastoralists, artisans, metalworkers, and scribes, and…

linguistics: Phonology: …referred to so far are segmental; they are realized by consonantal or vocalic (vowel) segments of words, and they can be said to occur in a certain order relative to one another. For example, in the phonemic representation of the word “bit,” the phoneme /b/ precedes /i/, which precedes /t/.…

arch: …the late Middle Ages the segmental arch was introduced. This form and the elliptical arch had great value in bridge engineering because they permitted mutual support by a row of arches, carrying the lateral thrust to the abutments at either end of a bridge.

consociationalism: The theory of elite cooperation: …as a second element of segmental autonomy, such as federal arrangements that allow for autonomy in policy fields (i.e., education policy for which responsibility lays with the German Länder, or states). Third, proportionality must prevail in the electoral system but also with regard to civil service appointments and the allocation…

dystonia: , spastic dysphonia); segmental, involving two adjacent muscle groups, such as the neck muscles (e.g., spastic torticollis); or general, affecting the entire body.

computer science: Operating systems: …(pages) or variable-size blocks (segments) of the job are read into main memory as needed. Questions such as how much main memory space to allocate to users and which pages or segments should be returned to disk (“swapped out”) to make room for incoming pages or segments must be…

morphology, in linguistics, study of the internal construction of words. Languages vary widely in the degree to which words can be analyzed into word elements, or morphemes (q.v.). In English there are numerous examples, such as “replacement,” which is composed of re-, “place,” and -ment, and

segmentation, in zoology, the condition of being constructed of a linear series of repeating parts, each being a metamere (body segment, or somite) and each being formed in sequence in the embryo, from anterior to posterior. All members of three large animal phyla are metameric: Annelida,

culture: Social organization: Segment is defined as one of an indefinite number of groupings all of which are alike in structure and function: families, lineages, clans, and so on. On more advanced levels of development there are occupational classes, such as farmers, pastoralists, artisans, metalworkers, and scribes, and…

spider: Annotated classification: Suborder Mesothelae (segmented spiders) About 100 species in 1 family, Liphistiidae, found from Japan to Southeast Asia. Inhabit trapdoor tubes in ground; remnants of abdominal segmentation clearly visible dorsally from 7th segment (pedicel) to 18th; 8 spinnerets at middle of abdomen; male pedipalps relatively complicated; epigynum…

annelid, any member of a phylum of invertebrate animals that are characterized by the possession of a body cavity (or coelom), movable bristles (or setae), and a body divided into segments by transverse rings, or annulations, from which they take their name. The coelom is reduced in leeches, and

Duccio: Last years: …followers is known, his nephew Segna di Buonaventura.

Il Sodoma: …Pope Julius II in the Stanza della Segnatura in the Vatican. Although Raphael worked on the same ceiling in 1509, he left some of Sodoma’s ceiling decoration, including mythological figures and Roman military scenes, intact. About 1510 Sodoma again utilized mythological figures for ceiling decoration in Via del Casato, a…

Johann Andreas von Segner was a Hungarian-born physicist and mathematician who in 1751 introduced the concept of the surface tension of liquids, likening it to a stretched membrane. His view that minute and imperceptible attractive forces maintain surface tension laid the foundation for the

Johann Andreas von Segner was a Hungarian-born physicist and mathematician who in 1751 introduced the concept of the surface tension of liquids, likening it to a stretched membrane. His view that minute and imperceptible attractive forces maintain surface tension laid the foundation for the

Antonio Segni was an Italian statesman, twice premier (1955–57, 1959–60), and the fourth president (1962–64) of Italy. A lawyer with a degree in agricultural and commercial law, Segni joined the Christian Democratic Party in 1919 (then called Italian Popular Party) and worked as an organizer in the

therizinosaur, group of theropod dinosaurs that lived during the Late Cretaceous (roughly 100 million to 66 million years ago) in Asia and North America and were characterized by their relatively small skulls, leaf-shaped teeth, and extended fingers with extremely long and robust claws.

rocket and missile system: Antitank and guided assault: The SS-11 was adopted by the United States as an interim helicopter-fired antitank missile pending the development of the TOW (for tube-launched, optically tracked, wire-guided) missile. Because it was designed for greater range and hitting power, TOW was mounted primarily on vehicles and, particularly, on attack…

mariposa lily: Major species: …in cultivation, among them the sego lily (Calochortus nuttallii), native to dry soil from South Dakota to Washington and south to Oregon and California. Its white flowers are variously marked with yellow, purple, and lilac. The edible corm of the sego lily was used for food by the early Mormon…

segoni-kun, mask derived from the antelope form, worn by a member of the Tyiwara society of the Bambara tribe in West Africa. Believed to have great power over agricultural fertility, the spirit of the tyi-wara (work animal) was thought to be embodied in the stylized segoni-kun masks, which were

western Africa: The jihad of ʾUmar Tal: …more powerful Bambara kingdom of Segu. The Macina Fulani were opposed to the idea of a Tijānī power advancing into their own Qādirī zone in the Niger valley and even gave some aid to Segu. After ʿUmar’s forces had conquered Segu in 1861, they continued eastward, and, finding that Ahmadu’s…

Maryse Condé: …the best-selling novel Ségou (1984; Segu) and its sequel, Ségou II (1985; The Children of Segu). Set in historical Segou (now part of Mali), the books examine the violent impact of the slave trade, Islam, Christianity, and white colonization on a royal family during the period from 1797 to 1860.…

Ségou, town, south-central Mali, western Africa. It extends for more than 4 miles (6 km) along the right bank of the Niger River. A historic town, it was the first capital of the Bambara kingdom, which flourished in the 17th and 18th centuries. In 1861 the kingdom collapsed when the leader of the

Maryse Condé: …its sequel, Ségou II (1985; The Children of Segu). Set in historical Segou (now part of Mali), the books examine the violent impact of the slave trade, Islam, Christianity, and white colonization on a royal family during the period from 1797 to 1860. Moi, Tituba, sorcière—: noire de Salem (1986;…

Segovia, provincia (province) in the comunidad autónoma (autonomous community) of Castile-León, north-central Spain. It is bounded by the provinces of Burgos and Soria to the north and northeast, respectively, Guadalajara and Madrid to the southeast, Ávila to the southwest, and Valladolid to the

Segovia, city, capital of Segovia provincia (province), in the comunidad autónoma (autonomous community) of Castile-León, Spain, northwest of Madrid. The site of the expansive medieval Alcázar palace and the famous Segovia aqueduct, the city was added to UNESCO’s World Heritage List in 1985. An

Segovia aqueduct, water-conveyance structure built under the Roman emperor Trajan (reigned 98–117 ce) and still in use; it carries water 16 km (10 miles) from the Frío River to the city of Segovia, Spain. One of the best-preserved Roman engineering works, the aqueduct was designated part of the

Juan Gil de Hontañón: …mayor (official architect) of the Segovia cathedral and who designed in a late medieval style.

Coco River, river in southern Honduras and northern Nicaragua, rising west of the town of San Marcos de Colón, in southern Honduras, near the Honduras-Nicaragua border. The Coco flows generally eastward into Nicaragua, then turns northward near Mount Kilambé. For much of its middle and lower course

Andrés Segovia was a Spanish musician acclaimed as the foremost guitarist of his time. He was the most important force in reestablishing the guitar as a concert instrument in the 20th century, chiefly through demonstrating its expressive and technical potential. He continued giving concert

Sir Henry Segrave was an American-born English automobile and motorboat racer who set three world land speed records. Educated at Eton and Sandhurst, Segrave served with the Royal Air Force in World War I. During the war he became interested in automobile racing by a visit to the Sheepshead Bay,

Emilio Segrè was an Italian-born American physicist who was co-winner, with Owen Chamberlain of the United States, of the Nobel Prize for Physics in 1959 for the discovery of the antiproton, an antiparticle having the same mass as a proton but opposite in electrical charge. Segrè initially began

Emilio Segrè was an Italian-born American physicist who was co-winner, with Owen Chamberlain of the United States, of the Nobel Prize for Physics in 1959 for the discovery of the antiproton, an antiparticle having the same mass as a proton but opposite in electrical charge. Segrè initially began

permafrost: Types of ground ice: Segregated, or Taber, ice includes ice films, seams, lenses, pods, or layers generally 0.15 to 13 cm (0.06 to 5 inches) thick that grow in the ground by drawing in water as the ground freezes. Small ice segregations are the least spectacular but one of the most extensive…

postal system: Segregating machines: Mail collected from branch post offices and street mailboxes, although for the most part made up of ordinary letters and cards, also contains small parcels, newspapers, magazines, and large envelopes. These items, because of their size or shape, cannot be handled on machinery…

igneous rock: Segregations: These are special types of inclusions that are intimately related to their host rocks and in general are relatively rich in one or more of the host-rock minerals. They range from small pods to extensive layers and from early-stage crystal accumulations formed by gravitational…

segregation, separation of groups of people with differing characteristics, often taken to connote a condition of inequality. Racial segregation is one of many types of segregation, which can range from deliberate and systematic persecution through more subtle types of discrimination to

metallurgy: Segregation: Different parts of a casting may have different compositions, stemming from the fact that the solid freezing out of a liquid has a different composition from the liquid with which it is in contact. (For example, when salt water is cooled until ice forms,…

heredity: Discovery and rediscovery of Mendel’s laws: …first law of Mendel, the law of segregation of unit genes. Equal numbers of gametes, ovules, or pollen grains are formed that contain the genes R and r. Now, if the gametes unite at random, then the F2 generation should contain about 14 white-flowered and 34 purple-flowered plants. The white-flowered

heredity: Discovery and rediscovery of Mendel’s laws: …first law of Mendel, the law of segregation of unit genes. Equal numbers of gametes, ovules, or pollen grains are formed that contain the genes R and r. Now, if the gametes unite at random, then the F2 generation should contain about 14 white-flowered and 34 purple-flowered plants. The white-flowered

racial segregation, the practice of restricting people to certain circumscribed areas of residence or to separate institutions (e.g., schools, churches) and facilities (parks, playgrounds, restaurants, restrooms) on the basis of race or alleged race. Racial segregation provides a means of

racial segregation, the practice of restricting people to certain circumscribed areas of residence or to separate institutions (e.g., schools, churches) and facilities (parks, playgrounds, restaurants, restrooms) on the basis of race or alleged race. Racial segregation provides a means of

Ignazio Silone: …Il segreto di Luca (1956; The Secret of Luca, 1958) show Silone’s continued concern with the needs of southern Italy and the complexities of social reform. In Uscita di sicurezza (1965; Emergency Exit, 1968), Silone describes his shifts from Socialism to Communism to Christianity. A play, L’avventura d’un povero cristiano…

Ermanno Wolf-Ferrari: …Il segreto di Susanna (1909; The Secret of Susanne), presented 18th-century styles orchestrated in the manner of the 20th century. Comic points in these operas are delicately underlined. In Sly (1927; based on the opening scenes of The Taming of the Shrew) and in his only tragic opera, I gioielli…

Maryse Condé: …the best-selling novel Ségou (1984; Segu) and its sequel, Ségou II (1985; The Children of Segu). Set in historical Segou (now part of Mali), the books examine the violent impact of the slave trade, Islam, Christianity, and white colonization on a royal family during the period from 1797 to 1860.…

seguidilla, Spanish folk dance with many regional variants; also, a verse form widely used in Spanish folk song. The dance is a courtship dance of proud demeanour, with small springing steps, light foot stamps, and varied ground patterns. The song consists of coplas—improvised verses of love or

seguidilla: …is the seguidillas sevillanas, or sevillanas. Most typically the dance is preceded by an instrumental introduction and a sung section. In the sevillanas, and in some other seguidillas, the dancers stop suddenly (bien parado) at the end of each copla, resuming dancing only after an instrumental interlude. The steps of…

Pierre Séguier was the chancellor of France under kings Louis XIII and Louis XIV, in the critical period during which monarchical power was consolidated. Séguier was born into a family that had held many legal posts, and he followed the same career. In 1612 he purchased the office of counselor in

Juan Seguín: The city of Seguín, located just outside of San Antonio, is named in his honour.

Marc Séguin, the Elder: With his brother Camille he studied the principles of the suspension bridge, at that time built with chain cables. Over the Rhône River at Tournon in 1824 the two brothers erected a bridge suspended from cables made of parallel wire strands, the first of a succession of such…

Edouard Séguin was a French-born American psychiatrist who pioneered modern educational methods for teaching the severely intellectually disabled. Born into a family of prominent physicians in Burgundy, Séguin was educated at the Collège d’Auxerre and at the Lycée St. Louis in Paris before studying

Juan Seguín was a Tejano (Texan of Hispanic descent) revolutionary and politician who helped establish the independence of Texas. After Mexico won independence from Spain in 1821, Stephen Austin—a friend of Seguín’s father—received Mexican approval to found settlements of English-speaking people in

Juan Seguín was a Tejano (Texan of Hispanic descent) revolutionary and politician who helped establish the independence of Texas. After Mexico won independence from Spain in 1821, Stephen Austin—a friend of Seguín’s father—received Mexican approval to found settlements of English-speaking people in

Marc Séguin, the Elder was a French engineer and inventor of the wire-cable suspension bridge and the tubular steam-engine boiler. A nephew of Joseph Montgolfier, the pioneer balloonist, Séguin developed an early interest in machinery, pursuing his studies informally but so successfully that by

Marc Séguin, the Elder was a French engineer and inventor of the wire-cable suspension bridge and the tubular steam-engine boiler. A nephew of Joseph Montgolfier, the pioneer balloonist, Séguin developed an early interest in machinery, pursuing his studies informally but so successfully that by

Alonso Fernández de Avellaneda: …the otherwise unknown author of Segundo tomo del ingenioso hidalgo Don Quijote de la Mancha (1614; “Second Book of the Ingenious Knight Don Quixote of La Mancha”), a fraudulent sequel to the first volume of Miguel de Cervantes’ Don Quixote (1605). In the 59th chapter of the second volume of…

Indonesia: The Malay kingdom of Srivijaya-Palembang: Shards found on nearby Seguntang Hill (Bukit Seguntang), on the other hand, span all these centuries. A piece of Romano-Indian rouletted ware, attributable to the early centuries ce, has been discovered in Palembang near the river; the same ware has been found in Java near Jakarta. Moreover, the sheer…

children’s literature: History: To it, Mme de Ségur, in her enormously popular novels, added sentimentality, class snobbery, but also some liveliness and occasional fidelity to child nature. Her “Sophie” series (1850s and 60s), frowned on by modern critics, is still loved by obstinate little French girls. Sans Famille (1878), by…

Segura River, river in southeastern Spain. It rises in the Segura Mountains in Jaén province and flows east through the driest region of the Iberian Peninsula to enter the Mediterranean Sea south of Alicante, a course of 202 miles (325 km). Much water is drawn off the Segura and its major

Dean Kamen: …American inventor who created the Segway Human Transporter (Segway HT; later called the Segway Personal Transporter [Segway PT]), a motorized device that allowed passengers to travel at up to 20 km (12.5 miles) per hour.

Dean Kamen: …American inventor who created the Segway Human Transporter (Segway HT; later called the Segway Personal Transporter [Segway PT]), a motorized device that allowed passengers to travel at up to 20 km (12.5 miles) per hour.

Dean Kamen: …American inventor who created the Segway Human Transporter (Segway HT; later called the Segway Personal Transporter [Segway PT]), a motorized device that allowed passengers to travel at up to 20 km (12.5 miles) per hour.

Dean Kamen: …American inventor who created the Segway Human Transporter (Segway HT; later called the Segway Personal Transporter [Segway PT]), a motorized device that allowed passengers to travel at up to 20 km (12.5 miles) per hour.

Justinus Andreas Christian Kerner: …Geisterwelt in die unsere (1829; The Seer of Prevorst. Disclosures About the Inner Life of Men and the Projection of a Spiritworld into Ours).

Hannibal Sehested was a statesman who achieved partial autonomy for Norway under Denmark and who laid the basis for the modernization of Denmark’s administrative system. After foreign travels in 1629–32, Sehested was attached to the court of King Christian IV of Denmark and Norway. He was given

Tino Sehgal is a British-born artist who created installations that were known as “constructed situations.” Sehgal was raised in France and Germany. He studied political economy in Berlin and pursued dance at the Folkwang University of the Arts in Essen, Germany. He joined French experimental dance

Faxian was a Buddhist monk whose pilgrimage to India in 402 initiated Sino-Indian relations and whose writings give important information about early Buddhism. After his return to China he translated into Chinese the many Sanskrit Buddhist texts he had brought back. Sehi, who later adopted the

savanna: Flora: …grass cover consisting mainly of Sehima and Dichanthium, the latter also referred to as bluestem.

rug and carpet: Materials and technique: The Persian, or asymmetrical, knot is used principally in Iran, India, China, and Egypt. This knot was formerly known as the Senneh (Sehna) knot. The Spanish knot, used mainly in Spain, differs from the other two types in looping around only one warp yarn. After the…