In the land of Lorne: early memories, 1819-1833 -- In Edinburgh: the enigma of the universe, 1833-1842 -- An ecclesiastical digression, 1842-1846 -- Return to philosophy: 'North British review,' 1846-1856 -- In the chair of Hamilton, 1856-1891 -- The University of Edinburgh, 1859-1889 -- Academical vacations, 1856-1890 -- In tenebris lux, 1891-1904