now in the Tate Gallery.

See Robert Chignell, _The Life and Paintings of Vicat Cole, R.A._
(London, 1899).

COLEBROOKE, HENRY THOMAS (1765-1837), English Orientalist, the third son
of Sir George Colebrooke, 2nd baronet, was born in London on the 15th of
June 1765. He was educated at home; and when only fifteen he had made
considerable attainments in classics and mathematics. From the age of
twelve to sixteen he resided in France, and in 1782 was appointed to a
writership in India. About a year after his arrival there he was placed
in the board of accounts in Calcutta; and three years later he was
removed to a situation in the revenue department at Tirhut. In 1789 he
was removed to Purneah, where he investigated the resources of that part
of the country, and published his _Remarks on the Husbandry and Commerce
of Bengal_, privately printed in 1795, in which he advocated free trade
between Great Britain and India. After eleven years' residence in India,
Colebrooke began the study of Sanskrit; and to him was confided the
translation of the great _Digest of Hindu Laws_, which had been left
unfinished by Sir William Jones. He translated the two treatises
_Mitacshara_ and _Dayabhaga_ under the title _Law of Inheritance_. He
was sent to Nagpur in 1799 on a special mission, and on his return was
made a judge of the new court of appeal, over which he afterwards
presided. In 1805 Lord Wellesley appointed him professor of Hindu Law
and Sanskrit at the college of Fort William. During his residence at
Calcutta he wrote his _Sanskrit Grammar_ (1805), some papers on the
religious ceremonies of the Hindus, and his _Essay on the Vedas_ (1805),
for a long time the standard work on the subject. He became member of
council in 1807 and returned to England seven years later. He died on
the 18th of March 1837. He was a director of the Asiatic Society, and
many of the most valuable papers in the society's _Transactions_ were
communicated by him.

His life was written by his son, Sir T. E. Colebrooke, in 1873.

COLEMANITE, a hydrous calcium borate, Ca2B6O11 + 5H2O, found in
California as brilliant monoclinic crystals. It contains 50.9% of boron
trioxide, and is an important source of commercial borates and boracic
acid. Beautifully developed crystals, up to 2 or 3 in. in length,
encrust cavities in compact, white colemanite; they are colourless and
transparent, and the brilliant lustre of their faces is vitreous to
adaman