The Meta-Encyclopedia

Single-source entries: T (20)

Each of these 13 subjects appears in only one of the 6 encyclopedias on this shelf. None is long enough to carry a page by itself, so they are gathered here by letter. Anything that grows moves out to a page of its own.

Terebralia

in zoölogy, a subgenus of Potamides. Shell pyramidal, columella with a prominent fold toward its apex, and a second less distinct one on the basal fronts of the whorls. From India and North Australia. T. telescopium is so abundant near Calcutta that the shells are burned for lime.

Only in Collier's New Encyclopedia

Terebrantia

a section of hymenopterous insects, characterized by the possession of an anal instrument organized for the perforation of the bodies of animals, or the substance of plants. The borer (terebra) is peculiar to the female, and is composed of three long and slender pieces, of which two serve as a sheath for the third.

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Terebratella

in zoölogy, a genus of Terebratulidæ, with 25 species distributed among several sub-genera. Shell smooth or radiately plaited; dorsal valve longitudinally impressed; hinge-line approximately straight; beak with a flattened area on each side of the deltidium, which is incomplete, foramen large; loop attached to the septum. The genus appears first in the chalk formation. Cyc-Vol. IX

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Terebratula

in zoölogy and palæontology, the type genus of Terebratulidæ. Shell smooth, convex; beak truncated and perforated; foramen circular; deltidium of two pieces frequently blended; loop very short, simple, attached by its crura to the hingeplate. Animal attached by a pedicle; brachial disk trilobed, center lobe elongated and spirally convoluted. Terebratula proper has three recent species, from the Mediterranean, Vigo Bay, and the Falkland Islands; fossil, 120, from the Devonian onward. Subgenera: Terebratulina, Waldheimia, Meganteris, and Rensselæria, the latter from the Silurian to the Devonian.

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Terebratulide

in zoölogy, a family of Brachiopoda. Woodward enumerates five genera, to which Tate adds two others. Shell minutely punctate; usually round or oval, smooth or striated; ventral valve with a prominent beak and two curved hinge-teeth; dorsal valve with depressed umbo, a prominent cardinal process between the dental sockets, and a slender shelly loop. Animal attached by a pedicle, or by the ventral valves; oral arms united by a membrane, variously folded, sometimes spiral at their extremities. The family is numerous and widely distributed in time and space. The generic and sub-generic forms are usually classified according to the modifications of the loop or calcified support for the respiratory and alimentary organs, the simplest and highest type of this loop being found in Terebratula. The family was represented in Silurian seas, and reached its maximum about the dawn of the Tertiary epoch, since when many of its representatives have become extinct.

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Terebratulina

in zoölogy, a subgenus of Terebratula. Loop short, rendered annular in the adult by the union of the oral processes. Recent species six, from the United States, Norway, Cape, and Japan; fossil 22, from the Oxford Clay.

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Terecamphene

in chemistry, a solid crystallizable body, somewhat resembling camphor, produced by heating to 220° the solid hydro-chloride prepared from French turpentine, with potassium stearate or dry soap. It melts at 45° and boils at 160°.

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Terechrysic Acid

CH₂Os; an acid, said to be obtained, together with oxalic, terephthalic, and terebic acids, in the watery liquid obtained by oxidizing oil of turpentine with nitric acid diluted with an equal bulk of water.

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Teredina

in zoölogy, a sub-genus of Teredo. The valves have an accessory valve in front of the umbones; the aperture of the tube is sometimes shaped like an hour glass, or six-lobed.

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Teredo

in botany, any disease in plants produced by the boring of insects. In zoölogy and palæontology, a genus of Pholadidæ, worm-like mollusks, having a sucker-like foot with a foliaceous border, and long, cord-like gills; shell globular, open in front and behind, lodged at the inner extremity of a burrow, in whole or in part lined with shell; valves three-lobed, concentrically striated. Known species; recent, 21, from Great Britain, Norway, the Black Sea, and the tropics, to 119 fathoms deep. T. navalis, the the ship ship worm, is a soft, cylindrical, somewhat vermiform mollusk, two or two and a half feet long, with two small shells at its anterior extremity. It bores into timber, and is exceedingly destructive to ships. In 1731 and 1732 it created alarm in Holland by boring into the piles constituting part of the defense of the country against the inroads of the sea. Though teak is not so easily attacked as many other kinds of timber, yet it does not wholly escape. The best protection against the teredo is metal sheathing and broad-headed iron nails hammered into the wood. Fossil species 24, from the Lias onward. Used also of any individual of the genus.

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Terek

a river in Russian Caucasia, rises near Mount Kasbec, flows in an E. direction, and enters the Caspian by many branches after a course of 350 miles. It has a descent, after reaching the plain (Mosdok), of 40 centimeters to the kilometer, and is utilized for irrigation in the district to which it gives name, and which is specially noted for its warm springs and petroleum wells. The district lying between the province of Stavropol and the highlands of Daghestan, has an area of 34,637 square miles.

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Terentia

Wife of M. Cicero, the orator, to whom she bore two children, a son and a daughter. She was a woman of sound sense and great resolution; and her firmness of character was of no small service to her weak and vacillating husband in some important periods of his life. Terentius, Publius, or Terence. A native of Africa, celebrated for the comedies he wrote. He was twenty-five years old when his first play was produced on the Roman stage. Terence is admired for the purity of his language and the elegance of his diction. He is supposed to have been drowned in a storm about B. C. 159.

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Terhune

ALBERT PAYSON, an American author, born at Newark, N. J., in 1872. He was educated at Columbia and traveled on horseback through Syria and Egypt investigating leper settlements, and living among the Bedouins of the desert. He has been on the staff of the New York "World" since 1894. His works include "Syria from the Saddle"; "Columbia Stories"; " Dr. Dale-A Story Without a Moral"; " The Secret of the Blue House"; "The Shadow of the Prophet"; libretto of " Nero" (a comic opera); "Caleb Conover"; "Railroader"; "Dad"; "Dollars and Cents"; "The Locust Years"; "Bruce"; " The Pest."

MARY VIRGINIA, ("Marion Harland"), an American author; born in Amelia co., Va., Dec. 21, 1831; received an academic education, and early began to write for 1 ALBERT PAYSON TERHUNE the press. She contributed extensively to numerous magazines, was for several years the editor of "Babyhood" and "The Home Maker"; conducted departments in "Wide Awake" and "St. Nicholas"; and served on the editorial staff of the Chicago "Tribune." Her publications include: "The Story of Mary Washington"; "A Gallant Fight"; "A Story Without a Moral"; "Where Ghosts Walk" (1910); "The Long Lane" (1915).

Only in Collier's New Encyclopedia