Alexander Campbell Fraser, a Scottish metaphysician, born at Ardchattan, Argyleshire, in September, 1819. He was educated at the university of Edinburgh, and in 1846 was appointed lecturer on mental philosophy in New college. Edinburgh. He was editor of the "North British Review" from 1850 to 1857, when he succeeded Sir William Hamilton as professor of logic and metaphysics in the university of Edinburgh, which chair he still retains (1874). He has published "Essays in Philosophy"' (1856); Rational Philosophy (1858); Collected Edition of the Works of Bishop Berkeley, with Dissertations and Annotations (Oxford, 1871); and Life and Letters of Bishop Berkeley" (Oxford, 1871). The last named work contains many of Bishop Berkeley's writings hitherto unpublished, and an account of his philosophy. Prof. Fraser has been a frequent contributor of educational, philosophical, and miscellaneous papers to the "North British Review,"Macmillan's ' Magazine," and other periodicals.