e and detailed work,
which represents an immense amount of research among both printed and
manuscript sources. Clark's own accounts of his expeditions, and other
interesting documents, are given in the appendix to this work.

CLARK, WILLIAM (1770-1838), the well-known explorer, was the youngest
brother of the foregoing. He was born in Caroline county, Virginia, on
the 1st of August 1770. At the age of fourteen he removed with his
parents to Kentucky, settling at the falls of the Ohio (Louisville). He
entered the United States army as a lieutenant of infantry in March
1792, and served under General Anthony Wayne against the Indians in
1794. In July 1796 he resigned his commission on account of ill-health.
In 1803-1806, with Meriwether Lewis (q.v.), he commanded the famous
exploring expedition across the continent to the mouth of the Columbia
river, and was commissioned second lieutenant in March 1804 and first
lieutenant in January 1806. In February he again resigned from the army.
He then served for a few years as brigadier-general of the Louisiana
territorial militia, as Indian agent for "Upper Louisiana," as
territorial governor of Missouri in 1813-1820, and as superintendent of
Indian affairs at St Louis from 1822 until his death there on the 1st of
September 1838.

CLARK, SIR JAMES (1788-1870), English physician, was born at Cullen,
Banffshire, and was educated at the grammar school of Fordyce and at the
universities of Aberdeen and Edinburgh. He served for six years as a
surgeon in the army; then spent some time in travelling on the
continent, in order to investigate the mineral waters and the climate of
various health resorts; and for seven years he lived in Rome. In 1826 he
began to practise in London. In 1835 he was appointed physician to the
duchess of Kent, becoming physician in ordinary to Queen Victoria in
1837. In 1838 he was created a baronet. He published _The Influence of
Climate in Chronic Diseases_, containing valuable meteorological tables
(1829), and a _Treatise on Pulmonary Consumption_ (1835).

CLARK, JOHN BATES (1847- ), American economist, was born at Providence,
Rhode Island, on the 26th of January 1847. Educated at Brown University,
Amherst College, Heidelberg and Zurich, he was appointed professor of
political economy at Carleton College, Minnesota, in 1877. In 1881 he
became professor of history and political science in Smith College,
Massachusetts; in 1892 professor o