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Rh document printed or historical statement made by him can henceforward be accepted without careful verification and examination. These discoveries have a painful interest and importance, since down to the latter part of the 19th century Swiss historical writers had largely based their works on his investigations and manuscripts.

Subjoined is a list of other prominent members of the family. (1596–1654) was abbot of Muri and wrote a painstaking work, Origo et genealogia gloriosissimorum comitum de Habsburg (1651). , a Benedictine monk at Einsiedeln, wrote a useful history of his abbey (1823). The family, which became divided in religious matters at the Reformation, also includes several Protestant ministers: (1670–1729), who wrote Beschreibung des Lands Glarus (1714);  (1714–1788), who left behind him several elaborate MSS. on the local history of Glarus; and (1722–1784), who compiled an elaborate family history from 900 to 1500, and an account of other Glarus families. (d. 1784), who settled in Metz and contributed to the Encyclopédie, and (1820–1886), the author of Das Thierleben der Alpenwelt (1853), were distinguished naturalists. Among the soldiers may be mentioned (1571–1629), a knight of Malta and an excellent linguist, who served in the French and Spanish armies; while the brothers  (1700–1779) and  (1703–1770) were in the Neapolitan service. (1499–1555), the cousin of Giles, was, like the latter, a pupil of Zwingli, whom he afterwards succeeded as pastor of Glarus, and by his moderation gained so much influence that during the thirty years of his ministry his services were attended alike by Romanists and Protestants. The best-known member of the family in the 19th century was (1816–1887), author of an excellent guide-book to Switzerland, which appeared first (1855) under the name of Schweizerführer, but is best known under de title (given in 1872 to an entirely recast edition) of Der Tourist in der Schweiz.

TSĒNG KUO-FAN (1811–1872), Chinese statesman and general, was born in 1811 in the province of Hunan, where he took in succession the three degrees of Chinese scholarship. In 1843 he was appointed chief literary examiner in the province of Szechuen, and six years later was made junior vice-president of the board of rites. When holding the office of military examiner (1851) he was compelled by the death of his mother to retire to his native district for the regulation mourning. At this time the Taiping rebels were overrunning Hunan in their conquering career, and had possessed themselves of the cities and strongholds on both shores of the Yangtse-kiang. By a special decree Tsēng was ordered to assist the governor of the province in raising a volunteer force, and on his own initiative he built a fleet of war junks, with which he attacked the rebels. In his first engagement he was defeated, but, happily for him, his lieutenants were more successful. They recovered the capital, Chang-sha, and destroyed the rebel fleet. Following up these victories of his subordinates, Tsēng recaptured Wuchang and Hanyang, near Hankow, and was rewarded for his success

by being appointed vice-president of the board of war. In 1853 other triumphs led to his being made a baturu (a Manchu order for rewarding military prowess), and to his being decorated with a yellow riding-jacket. Meanwhile, in his absence, the rebels retook Wuchang and burnt the protecting fleet. The tide quickly turned, however, and Tsēng succeeded in clearing the country round the Poyang lake, and subsequently in ridding the province of Kiangsu of the enemy. His father died in 1857, and after a brief mourning he was ordered to take supreme command in Cheh-kiang, and to co-operate with the governor of Fukien in the defence of that province. Subsequently the rebels were driven westwards, and Tsēng would have started in pursuit had he not been called on to clear the province of Ngan-hui of rebel bands. In 1860 he was appointed Viceroy of the two Kiang provinces and Imperial war commissioner. At this time, and for some time previously, he had been fortunate in having the active support of Tso Tsung-t'ang, who at a later period recovered Kashgar for the emperor, and of Li Hung-Chang. Like all true leaders of men, he knew how to reward good service, and when occasion offered he appointed the former to the governorship of Cheh-kiang and the latter to that of Kiangsu. In 1862 he was appointed assistant grand secretary of state. At this time the Imperial forces, assisted by the “Ever-victorious Army,” had checked the progress of the rebellion, and Tsēng was able to carry out a scheme which he had long formulated of besieging Nanking, the rebel headquarters. While Gordon, with the help of Li Hung-Chang, was clearing the cities on the lower waters of the Yangtse-kiang, Tsēng drew closer his besieging lines around the doomed city. In July 1864 the city fell into his hands, and he was rewarded with the rank and title of marquis and the right to wear the double-eyed peacock's feather. After the suppression of the Taipings the Nienfei rebellion, closely related to the former movement, broke out in Shantung, and Tsēng was sent to quell it. Success did not, however, always attend him on this campaign, and by Imperial order he was relieved of his command by Li Hung-Chang, who in the same way succeeded him in the vice royalty of Chihli, where, after the massacre of Tientsin (1870), Tsēng failed to carry out the wishes of his Imperial master. After this rebuff he retired to his vice royalty at Nanking, where he died in 1872.

TSETSE-FLY (Tsetse, an English rendering of the Bantu nsi-nsi, a fly), a name applied indiscriminately to any one of the eight species of Glossina, a genus of African blood-sucking Diptera (two-winged flies, see ), of the family Mussidae. Tsetse-flies are of great economic and pathological importance as the disseminators of tsetse-fly disease (nagana) and sleeping sickness. These maladies are caused by minute unicellular animal parasites (haematozoa) of the genus Trypanosoma (see ); and recent investigations have shown that, under normal conditions, the particular species of Trypanosoma concerned (T. brucei, in the case of nagana, and T . gambiense in that of sleeping sickness) are introduced into the blood of susceptible animals or man only by the bite of one or other of the species of tsetse. (See ). The names of the recognized species of tsetse-flies are as follows: Glossina palpalis (see fig.); G. pallicera; G. morsitans; G. tachinoides; G. pallidipes; G. longipalpis; G. fusca; and G. longipennis. A ninth so-called species, described in 1905 from specimens from Angola, is not really distinct from G. palpalis but appears to be identical with the sub-species G. palpalis wellmani.