Complex sentence: In November 1822 Daubeny succeeded Kidd as professor of chemistry at Oxford, and retained this post until 1855; and in 1834 he was appointed to the chair of botany, to which was subsequently attached that of rural economy.
Split into simpler sentences: In November 1822 Daubeny succeeded Kidd as professor of chemistry at Oxford, and retained this post until 1855. In 1834 he was appointed to the chair of botany, to which was subsequently attached that of rural economy.