472 



INDEX 



Ionian Philosophers, 42 



Ions, 364 



Irrational Numbers, 52, 101, 290 



Janssen, 354 

 Jenner, 322, 422 

 Jordanus nemorarius, 179 

 Joule, 349, 351, 357 

 Jupiter, Satellites of, 221 

 Jussieu, de, 318, 374 

 Justinian, Edict of, 152 



Kelvin (see Thomson) 



Kepler, 208, 210-217, 222, 245, 279 



Kinetic Theory of Gases, 357 



Kircher, 264, 267 



Kirchhoff, 353 



Koch, 380 



Laboratories, 360 



Lactantius, 149 



Lagrange, 251, 273, 328-330, 336 



Lamarck, 372, 386, 392 



Laplace, 330 



Lavoisier, 308, 360 



Leap-year, 30, 79, 108 



Leeuwenhoek, 264, 268 



Leibnitz, 299 



Lenses, 163, 265, 302, 313 



Leonardo da Vinci, 228, 234, 252 



Leucippus, 61, 62 



Lever, 80, 102, 123 



Leverrier, 341 



Liebig, 260, 360 



Light, 313, 327, 351, 355 



Velocity of, 216, 250, 286, 351 

 Limit, 78, 112, 253 

 Linnaeus, 318, 372, 374 

 Lister, 379 

 Lobatchewski, 338 

 Lockyer, 354 

 Locomotive, 442 

 Locus of Equation, 277 

 Logarithms, 215, 230, 242 

 Lucretius, 144 

 Ludolph von Ceulen, 245 

 Lyell, 317, 384, 394, 429 



Maclaurin, 326 



Magnetic Charts, 303 



Magnetism, 228, 313, 354 



Malpighi, 256, 268, 319 



Malthus, 390 



Manometer, 266, 268 



Maps, 25, 48, 132, 143, 192, 241, 303 



Margarita philosophica, 235 



Maxwell, 354, 356, 357 



Mayer, 349, 357 



Mayow, 260 



Mechanics, 80, 102, 123, 133, 214," 218, 



219, 230, 234, 245-252, 286-289, 



328, 330, 346 

 Medicine, 56, 63, 113, 144, 166, 226, 263, 



322 



Mensechmus, 76 

 Mendel, 396 

 Mendelejeff, 363 

 Mercator, 241 

 Metallurgy, 226 

 Meton, 39 

 Micrometer, 267 

 Microscope, 267 



compound, 319, 374, 442 

 Middle Ages, 151 

 Milky Way, 61, 63, 179, 222 

 Mineralogy, 226 

 Molecules, 361 

 Moment of Inertia, 288 

 Monge, 282, 335 

 Month, 22, 38 



Moorish Science, 156, 165, 176 

 Moro, 317 



Mortality Statistics, 303 

 Motion, Laws of, 246, 290, 293 

 Miiller, 376 

 Multiplication, 31, 182 



Napier, 242 



Natural History, 146, 227, 315, 370 



Natural Selection, 395 



Natural Theology, 369 



Navigation, 192, 193 



Nebular Hypothesis, 278, 331, 343 



Negative Numbers, 159 



Neptune, 341 



Newcomen, 312, 440 



Newton, 290-301, 420 



Nicomachus, 125 



Nitrogen, 306 



Nitro-glycerine, 439 



Non-Euclidian Geometry, 91, 337 



Number Theory, 41, 50, 72, 89, 125, 282 



Numbers, Imaginary, 340 



Oersted, 354 



Ophthalmoscope, 444 



Optics, 95, 124, 132, 163, 215, 264, 286, 



291, 302 



Organic Chemistry, 263 

 Origin of Species, 369, 394 

 Oxygen, 260, 307, 309 

 Oughtred, 245 



Pacioli, 232 

 Palaeontology, 385 

 Palissy, 228 



