1. Royal Commission on the Operation of Acts relating to Trawling for Herrings on the Coast of Scotland, 1862. 2. Royal Commission to inquire into the Sea Fisheries of the United Kingdom, 1864-65. 3. Commission on the Royal College of Science for Ireland, 1866. 4. Commission on Science and Art Instruction in Ireland, 1868. 5. Royal Commission upon the Administration and Operation of the Contagious Diseases Acts, 1870-71. 6. Royal Commission on Scientific Instruction and the Advancement of Science, 1870-75. 7. Royal Commission on the Practice of subjecting Live Animals to Experiments for Scientific Purposes, 1876. 8. Royal Commission to inquire into the Universities of Scotland, 1876-78. 9. Royal Commission on the Medical Acts, 1881-82. 10. Royal Commission on Trawl, Net, and Beam Trawl Fishing, 1884. *** INDEX. A priori reasoning. Abbott, Dr. E.A., on "Illusions". --correspondence in "Times". Aberdeen University, Huxley rejected for chair at. --Lord Rector of. --Rectorial Address at. --translated into German. --perils of writing. Aberdour. Adamson, Professor. Addresses delivered under difficulties. "Administrative Nihilism". Admiralty, parsimony of, in 1846. --their dealings with Huxley. Advice to would-be writer on scientific subjects. Agassiz, Alexander, at x Club. --visit to. Agassiz, Louis, and creation. --on glaciers. Agnosticism, formulated in 1860. --controversy on. --restated. Airy, Sir G.B., P.R.S. Albert, Prince, at British Association. Alcohol, use of. Alford, Dean, and Metaphysical Society. Allis, E. Phelps, jun., supports Huxley's unpublished cranial researches. Allman, Dr. George J., on Huxley's leading discovery. --President British Association, 1879. America, visit to. --sight of New York. --at Yale. --friends. --at Niagara. --visits his sister. --at Baltimore. --lectures at New York. American Civil War. --suggests article "Emancipation, Black and White". Amroth. Anglesey, Marquis of, at Wellington's funeral. Angus, Dr., on School Board. Animal motion, lecture on. Animals and plants. "Animals as Automata". --delivered without notes. Anthropological Institute founded. Anthropological Society amalgamated with Ethnological. Anthropologie, Societe d', of Paris. Anthropomorphism. Ape question, at Oxford. --papers and lectures on. --"Punch" squib. --at Edinburgh. --leads to ethnological work. --conclusion of. "Apologetic Irenicon". Appletons, and copyright. --visit to. Arbitration Alliance, letter to, on the reduction of armaments and the real causes of war. "Archetype" reviewed by H. Spencer. Argyll, Duke of, in Metaphysical Society. --on "Law". --reply to. --on coral reef theories. --further controversy with. Aristotle compared with Darwin. --certain errors attributed to. --estimate of the manuscripts of. Armstrong, Sir Alexander, at Haslar. Armstrong, Lord, visits to. --and a Newcastle society.