SIDIS 419 SIDNEY (1891); "Practical Ethics" (1898), etc. He died in 1900. SIDIS, BORIS, an American psycho- pathologist, born in Russia, in 1867. He came to America in 1887 and received from Harvard the degrees of A.B. in 1894; A.M. in 1895; Ph.D. in 1897; and M.D. in 1908. From 1896 to 1901 he served as associate psychologist and psy- chopathologist of the Pathological Insti- tute of the New York State hospitals. Practicing his profession in Boston, he was also medical director of a psychother- apeutic institute bearing his name, at Portsmouth, N. H., and at various times an associate editor of the "Archives of Neurology and Psychopathology," and of the "Journal of Abnormal Psychology." His numerous publications include "Multi- ple Personality" (with Goodhart, 1905) "Experimental Study of Sleep" (1909) "Studies in Psychopathology" (1909) "The Psychology of Laughter" (1913) "The Foundations of Normal and Abnor mal Psychology" (1914) ; "The Causation and Treatment of Psychopathic Diseases" (1916) ; "The Source and Aim of Human Progress" (1919), etc. SIDMOTJTH, a watering-place on the S. coast of Devonshire, England; 14 miles by road, E. S. E. of Exeter. It lies in a narrow valley at the mouth of the little Sid between the red sandstone cliffs of High Peak (513 feet) on the W. and Sal- combe Hill (497) on the E. Its esplanade is protected by a sea wall (1838), 1,700 feet long; and its parish church (1259; almost rebuilt 1860) has a stained W. window inserted by Queen Victoria in memory of her father, the Duke of Kent, who died here in 1820. The climate is mild and the rainfall the least in Devon. Pop. about 6,000. SIDNEY, a city of Ohio, the county- seat of Shelby co. It is on the Great Miami river, the Miami and Erie Canal, and on the Cincinnati, Hamilton, and Day- ton, the Western Ohio, and the Cleveland, Cincinnati, Chicago, and St. Louis rail- roads. It has important industries, in- cluding the manufacture of whips, hollow ware, horse collars, churns, wheels, iron and wood workers' tools, aluminum ware, flour, etc. Its notable buildings include a public library and a court house. Pop. (1910) 6,607; (1920) 8,590. SIDNEY SUSSEX COLLEGE, a col- lege at Cambridge, England. It began as the Franciscan or Grey Friar's House, established in 1240, and after the Refor- mation was endowed as a school by the will of Lady Frances Sidney, Countess Dowager of Sussex. Its early career is marked by Puritanism and Irish and Scotch students were first conspicuous in this college at Cambridge. It has a mas- ter and ten fellows, twenty-four scholars, and about seventy undergraduates. It has eight livings in its gift. Oliver Cromwell, Thomas Fuller, and Bramhall were among the members. SIDNEY, or SYDNEY, ALGERNON, an English military officer; born in Pens- hurst, Kent, in 1622. He accompanied his father, the 2d Earl of Leicester, in his embassies to Denmark and France. He was also early trained to a military life, and served with some distinction in Ire- land, where his father was lord lieuten- ant. In 1643 he returned to England and joined the Parliamentary forces. In 1644 ALGERNON SIDNEY he was lieutenant-colonel of a regiment of horse in Manchester's army, and was se- verely wounded at Marston Moor. In 1645 he was given the command of a cav- alry regiment in Cromwell's division of Fairfax's army, and was returned to Par- liament for Cardiff. He was nominated one of the commissioners to try Charles I., but took no part in the trial, though he approved of the sentence. He refused all concurrence in the government of Crom- well, retiring to Penshurst, but when the return of the Long Parliament in May, 1659, gave expectations of the establish- ment of a republic, he again took his seat and was nominated one of the council of state. He was soon after appointed a commissioner to mediate a peace between Denmark and Sweden, and while he was engaged in this embassy the Restoration took place. Conscious of the offence he
