Huxley, birth, 2; parents, 2, 3; school, 4; apprenticed to medicine, 5; enters Charing Cross Hospital, 8; first original paper, 9; graduates at London University, 10; becomes M.R.C.S., 11; appointed to Haslar Hospital, 11; appointed to _Rattlesnake_, 12; meets his future wife at Sydney, 19; first paper to Royal Society, 33; Royal medals, 34; becomes F.R.S., 47; leaves naval service, 48; appointed to Geological Survey and School of Mines, 63; becomes Fullerian Professor, 64; marriage, 64; examiner, 65; Croonian lecturer, 66; visits America, 70; becomes Secretary and President of Geological Society, 78; accepts Darwinism, 101; receives Darwin medal, 108; becomes Hunterian Professor,129; starts laboratory courses at South Kensington, 180; becomes candidate for London School Board, 189; serves on Royal Commissions,196, 204; becomes member of Her Majesty's Privy Council, 205; marriage, 274; ill-health and retirement, 276; death, 277; personal appearance, 277 Huxley's layer in root-sheath of hairs, 10 Hydra, 50 Hypothesis as to History of Nature, 248, 249 I Ichthyopsida, 143 Idealism, 220, 224 Ideals and culture, 186 Indian speculation, 269 Individuality of animals, 49, 50, 51, 52, 55 Infallibility, 123, 236 Inspiration, 246, 247, 253, 254 Instincts, 154 Intellect, 243 Intermediate and linear types, 87 _International Scientific Series_, 173 _Invertebrata, Manual of_, 175 Ionia, 169 Israel, 245 J Jermyn Street lectures to working men, 207 Johnson, Samuel, 219 Judaism and science, 246 Justice, 265, 269, 271, 273 K Kant, 84, 242, 262 Karma, 269 Kelvin, Lord, 84 Knowledge and authority, 104, 105 Kölliker, 49, 59 Kowalevsky, 57 L Laboratory work, 177, 179, 180 Labyrinthodonts, 69 Lamarck, 90, 91, 97 Lamarckism and Darwinism, 94, 97 Languages, modern, 6, 7 Lankester, Professor E. Ray, 57, 60, 94, 180, 277, 282 Larvæ, 158 Latin, 186, 213 Law-courts and evidence, 231 Lawrence, Sir W., 144 Lectures at the School of Mines, 180 Lemurs, 163 Leutemann, 153 Leverrier, 209 Leviticus, 245 Liberal education, 228 Life, origin of, 227, 228 Limbs of Man and Gorilla, 162 Linear and intermediate types, 87 Linnæan Society of London, 33, 49, 115, 138, 145 Linnæus, 38, 234 Literary culture, 186 _Literary Gazette_, 48 Literary style, 211, 212, 213, 214, 215 Literature, the Bible as, 254 Liverpool, 169 Living bodies, nature of, 228 Locke, 224 Lockyer, Sir Norman, 211 London, medical education in, 181 London, school board of, 189 Loyola, 262 Loxomma, 69 Lucas, Mr., 113 Luther, 262 Lyell, Sir Charles, 81, 91, 98, 144, 234, 249 Lyonet, 173 M MacGillivray, John, 16, 17, 282 MacGillivray, William, 16, 100 Macmillan and Co., 171 Magna Charta, the Bible as, 245 Mammalia, classification of, 142 Man and the Apes, 155 Man, classification of, 146 Man and Gorilla, 161 Man, origin of, 144 _Man and the Apes_, 165