Tezcuco
or TEZCOCO, a lake of Mexico, about 2/2 miles E. of the city of Mexico, 15 miles long and 9 miles in its greatest width. It was formerly much more extensive and contained numerous islands, on which the old city of Mexico was built. Its waters are strongly impregnated with salt. Also a town on the above lake, 16 miles E. N. E. of Mexico, anciently of considerable importance, of which only the ruins of its palaces and temples remain. It contains numerous handsome modern edifices. Pop. about 6,000. District 60,000.
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Thaarup
THOMAS, a Danish poet; born in Copenhagen, Denmark, in 1749. Some of his dramatic compositions, among them "The Birthday" and "Peter's Wedding," are regarded as equal to the best in Danish literature. His "Song of Love and Fatherland" ranks as a lyrical classic. He died in 1821.
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Thacher
JOHN BOYD, an American reformer; born in Ballston, N. Y., Sept. 11, 1847; was graduated at Williams College in 1869; member of the New York Senate in 1884-1885, when he introduced the measures which resulted in the tenement house reforms; mayor of Albany, N. Y., in 1886-1887, 1896-1897; and chairman of the Bureau of Awards at the World's Columbian Exposition in Chicago in 1893. He was the author of several books, including: "The Continent of America, Its Discovery and Its Baptism"; "The Cabotian Discovery"; etc. He died Feb. 25, 1909.
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Thaer
WILHELM ALBRECHT, a German agriculturist; born in Lüdersdorf, near Wriezen, on the Oder, Aug. 6, 1828. He was appointed professor in the University of Giessen, 1871. He is author of a "System of Agriculture" (1877); "Ancient Egyptian Husbandry" (1881); "Weeds in Rural Economy" (1881); "Researches in Tenant-Farming" (1890). He died Dec. 14, 1906.
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Thalamephorus
or THALA- MEPHOROS, in Egyptian antiquities, a kneeling figure supporting a shrine or inscribed tablet. These statues probably represent priests and initiated women who carried about in processions the statues of the gods. It was usual for such processions to stand still from time to time, when the priests, kneeling probably, presented to the people the images of the deities, either to be worshipped or kissed.
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Thalamiflore
a class of exogenous or dicotyledonous plants in which the petals are distinct and inserted with the stamens on the thalamus or receptacle.
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Thalassicollida
in zoölogy, a family of Radiolaria. The animals consist of structureless cysts containing cellular elements and protoplasm, surrounded by a layer of protoplasm giving off pseudopodia, which commonly stand out like rays, but sometimes run into another, and so form networks. The best known genera are Thalassicolla, Sphærozoüm, and Collosphæra. They are all marine, being found floating passively on the surface of most seas, and vary in size from an inch in diameter downward.
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Thalassicollina
an approximate synonym of THALASSICOLLIDA (q. v.). THALASSINIDÆ, in zoölogy, a widely distributed family of macrurous Decapoda. Abdomen long, not very solid, carapace small and compressed; first pair THALASSINIDÆ of legs large; sternal plate long and narrow.
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Thalassiophyllum
in botany, a genus of algals, akin to Laminaria, but having the frond spirally wound around the stem. Found on the N. W. shores of Arctic America.
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Thalassochelys
in zoölogy, the loggerhead turtle; a genus of Chelonidæ , equivalent to the genus Caouana of older authors, with two or three species from tropical seas. Plates of the carapace not imbricated; 15 plates on the disk; jaws slightly curved toward each other at their extremity.
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Thalassophryne
in ichthyology, a genus of Batrachide, with two species, from the Atlantic and Pacific coasts of Central America. The spinous dorsal is formed by two spines only, each of which is hollow, like the opercular spine, and conveys the contents of a poison bag situated at the base. The poison bags have no external muscular layer, and are situated immediately below the thick, loose skin which envelops the spines; the ejection of the poison can therefore only be effected by the pressure to which the poison bag is subjected the moment the spine enters another body.
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Thalberg
SIGISMOND, a Swiss pianist; born in Geneva in 1812, where he received his early education under the supervision of his mother, the Bar oness Wetzlar. At the of 10 he removed to Vienna, where he continued his studies under the best masters, in preparation for a diplomatic career. Thalberg's first appearance as a pianist was at the age of 14, when he played at an evening party at Prince Metternich's. This success was followed up by numerous appearances in Paris , till, overcoming his father's scruples, he was allowed to abandon diplomacy for music. He made tours in 1839 through Belgium, Holland, England, and Russia, and afterward through Spain, Brazil, and North America, finally settling down at Naples in 1858. Thalberg married Madame Boucher, daughter of the celebrated Lablache. His musical compositions comprise more than 90 numbers, principally fantasies and variations. His operas "Cristina" and "Florinda" the latter played before the London in 1851-were absolute failures. As a pianist, in graceful and brilliant execution and in manual dexterity, he had scarcely a rival. He died in Naples April 27, 1871.
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Thaler
a silver coin formerly in use in Germany, of the value of about 75 cents.
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Thalictrum
in botany, meadowrue; a genus of Ranunculaceæ , tribe Anemoneæ. Known species 50, from the temperate and colder parts of the Northern Hemisphere. Three familiar species are T. alpinum, the Alpine; T. minus, the lesser; and T. flavum, the common meadow-rue. The most common is T. minus. It has three or four pinnate toothed, and diffuse leaves, with roundish or wedge-shaped leaflets, trifid and t panicles of generally drooping flowers. It is found in stony pastures, especially in limestone or chalky districts . There are four sub-species. The root of T. foliolosum, from the temperate parts of the Himalayas, is given in India as a tonic and aperient in convalescence after fever, in chronic dyspepsia, etc.
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Thalite
in mineralogy, a variety of saponite occurring in amygdaloidal rocks on the N. shore of Lake Superior.
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Thalium
in mineralogy, a name given to a supposed new element which apparently has no existence.
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Thalleiochin
in chemistry, dalleiochin; a green substance produced by the action of chlorine and then ammonia on a solution of quinine. In dilute solutions it remains dissolved as a bright emerald green color, and forms a highly delicate test for the presence of small quantities of quinine. a solid hydrocarbon
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