Leibnitz, 245 Lejeune Dirichlet, 271 Lenz, 284 Lesage, 219 Lessing, 222 Leverrier, 251 Libri, 27 Light an electric phenomenon, 344; polarized, 316 Lightning conductor, The Divisch, 111; kite, 121; rods, 101, 104, 114; storm, 116 Life, Future, 331; happiness, 355 Lines of magnetic force, 313 Linnæus, 238 Livius Sanutus, 49 Livres dou Tresor, 9 Lockwood, Thomas D., 275 Lodestone, 2 Lodge, Sir Oliver, 71, 246 Lombroso, 246 Lor, M. de, 122 Lucretius, 2, 167 Ludwig I., 278 Lucan, 235 M Mackenzie, Colin, 358 Machines, Simple, 192, 199 Magaud, 187 Magiae Naturalis, 35 Magic, Natural, 215 Magnes, Loadstone challenge, 34 Magnetic declination, 47; dip, 29; fields, 42, 313; figures, 3; inclination, 31; meridian, 45; motor, 16 Magnet and Chinese, 7; flesh, 5; gold, 6; polarity of, 4; white, 6 Magnetism, 70, 202; into electricity, 315 Magnetismus, 40 Magnetization, Permanent, 206 Magnetometer, 44 Mahomet's sarcophagus, 65 Makers of Modern Medicine, 13 Malebranche, 248 Man proposes, 289 Manzolini, Madame, 154 Marcet, Mrs., 301 Maria Theresa, 110 Mariotte, 245 Marriage, Faraday's, 329 Marshall, Chas., 218 Martinique, 191 Martius, 298 Mass and weight, 56; of the earth, 58 Mathematics, Without a taste for, 262 Matter and force, 320; ultimate structure of, 282; al tripos, 364 Maxwell, 313, 388; the man, 359 Memberships, Honorary, 332 Memory, Wonderful, 236 Menon, Abbé, 77 Mental powers and morals, 331 Message, Inaugural, 376 Metaphysics, 247, 222 Meteorological machine, 112 Mind, Concentration of, 169 Mirror, Galvanometer, 375 Mitchell, John, 84, 189 Mojon, 207 Molecular torrent, 86 Molecules, 353 Money-making, Faraday on, 309 Monge, 224 Montucla, 244 Morality, Absolute, 247 Morrison, Charles, 218 Motion, Perpetual, 18 Moscow, 265 Mottelay, P. Fleury, 66 Mullaly, John, 377 Müller, Johann, 338 Mullock, Bishop, 373 Muscle-twitchings, 175 Musschenbroek, 86, 211 Myopia, 239 N Napoleon, 179, 202, 247 Near-sightedness, 239 Negative, 126 Neptune, 251 Newe Attractive, 33 Newman, Cardinal, 353 Newton, 74, 139, 197, 244, 333, 389; Principia, 62, 208 Nollet, Abbé, 77, 95, 101, 170 Norman, 29, 59 Novum Organum, 13 O Oersted, 208, 232, 249; discusses evolution, 227 Ohm, Martin, 262, 270 Ohm's law, 189, 251, 258; of acoustics, 282; goodness of heart, 296 Ohm's personal appearance, 293; preface, 274 Olbers, 224 Opus Majus, 10 Opus Tertiam, 12 Orb of virtue, 33 Orchestrion, 115 Origin of Species, 227 Ostwald, 361 Oval curves, 337 Ozanam, 253 P Paine, 127 Palladius, 5 Paralysis, 148 Paris, Dr., 304 Parkinson, 365 Pascal, 256 Pasteur, 185, 282, 310 Pavia, University of, 173 Pellagra, 184 Pellico, Sylvio, 187 Peregrinus, 3, 8, 11 Perry, Prof. John, 369 Pfaff, 276 Philosopher of Copenhagen, 210 Philosophia Magnetica, 3 Philosophical Society, 307 Philosophy, Small draughts of, 160 Physics text-book, 291