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LEFT SEDGWICK 325 SEED 1818 was appointed Woodwardian Pro- fessor of Geology in the latter; this chair he held till within a short time of his death. His chief services to geology con- sisted in the determination of the geologi- cal relations of the palaeozoic strata of Devon and Cornwall, and of those strata afterward called Permian in the N. E. and N. W. of England, in the explanation of the geological character of north Wales, and not less in the enlargement of the geological museum at Cambridge. The only considerable work of Professor Sedgwick's is a "Discourse on the Studies of the University of Cambridge," which had a wide circulation. He died in Trin- ity College, Cambridge, Jan. 27, 1873. SEDGWICK, ANNE DOUGLAS (Mrs. Basil de Selincourt), an American nov- elist, born in Englewood, N. J., in 1873. While still a child, she was taken abroad by her parents, where she remained for the greater part of her life. For several years she was a student of painting, and her pictures were shown at several exhi- bitions. Her novels include "The Dull Miss Archinard" (1898) ; "The Rescue" (1902) ; "Franklin Winslow Kane" (1910) ; "Tante" (1911) ; "The Encoun- ter" (1914). She contributed many short stories to magazines. SEDGWICK, ELLERY, an American Editor, born in New York in 1872. He graduated from Harvard in 1894, and for a time taught at Groton School. From 1896 to 1900 he was assistant editor of "The Youth's Companion," and subse- quently became editor of "Leslie's Maga- zine," and the "American Magazine." He purchased and became the editor of the "Atlantic Monthly." He was a member of the American Academy of Arts and Letters, and of several historical societies. SEDGWICK, HENRY DWIGHT, an American author, born at Stockbridge, Mass., in 1861. He studied law and was admitted to the bar in 1884 and until 1898 practiced in New York. He wrote "Life of Father Hecker" (1897) ; "Life of Samuel Champ lain" (1901) ; "Essays on Great Writers" (1902) ; "Life of Francis Parkman" (1904) ; "Italy in the Thir- teenth Century" (1912) ; "Dante" (1919). He was a member of the National Insti- tute of Arts and Letters. SEDITION, a factious rising or com- motion in a state, not amounting to in- surrection; the stirring up or fomenting of such a commotion; the stirring up or fomenting of discontent against govern- ment, and disturbance of public tranquil- lity, as, by inflammatory speeches or writ- ings; acts or language inciting to a breach of the public peace; excitement of resistance to lawful authority. Sedition comprises sueh offenses of this class as do not amount to treason, being withoul the overt acts which are essential to the latter. SEDLEY, SIR CHARLES, an English dramatist; born in Aylesford, Kent, Eng- land, in 1639. He is author of the fa- vorite song "Phyllis." He wrote four comedies, among them "The Mulberry Garden" (1686) and two tragedies. He died Aug. 20, 1701. SEE, a diocese; the seat of episcopal authority; the jurisdiction; as, an episco- pal see; the province or jurisdiction of an archbishop; as, an archiepiscopal see; the seat place, or office of the Pope or Roman pontiff; as, the Papal See; the authority of the Po^e or court of Rome; as, he was delegated by the See of Rome. SEE, THOMAS JEFFERSON JACK- SON, an American astronomer ; born near Montgomery City, Mo., Feb. 19, 1866; was graduated at the University of Missouri in 1889, and at the University of Berlin in 1892 ; was in charge of the observatory of the University of Missouri in 1887- 1889; had charge of and aided in the or- ganization of the Yerkes Observatory of the University of Chicago in 1893-1896; was astronomer of the Lowell Observa- tory during the survey of the Southern heavens in 1896-1898; became Professor of Mathematics in the United States Na- val Academy in 1899; and in December of that year took charge of the 26-inch equatorial telescope of the United States Naval Observatory, Naval Academy 1899- 1902. From 1903 he was in charge of the Naval Observatory, Mare Island, Cal. He completed about 45 orbits of double stars; was a Fellow of the Royal Astro- nomical Society; member of the Ameri- can Philosophical Society; the American Mathematical Society, the Astronomische Gesellschaft, etc.; and was the author of numerous astronomical papers and books, including "Researches on the Evolution of the Stellar Systems," and "The Evo- lution of the Double-star Systems." SEED, consists essentially of the young plant or embryo, inclosed in integ- uments, of which there are usually two. It varies much in form. The outer integ- ument, or seed coat, is termed the testa or episperm. It is usually of a brown or somewhat similar hue, but it frequently assumes other colors. The inner integu- ment is called the tegmen, or endos- pleura; it is generally of a soft and deli- cate nature. A third integument, more or less complete, is occasionally found on the surface of the others. The inner por- tion of the seed, called the nucleus, or kernel, may either consist of the embryo