Index 



Inertia, 91, 94 



,, of matter, 93 

 ,, of electricity, 95 



Internal density of earth, 121 

 ,, fluidity of earth, 140 



Inversion of spectrum lines, 173 



JANSSEN, 178, 209, 252 



KAPTEYN, 225 



Karyokinesis, imitation of, 276 



Kathode stream, 101, 103, 104 



Kaufmann, in 



Kelvin, 98, 117 



Kepler, 152 



Kepler's laws, 119 



Kirchhoff, 169, 172 



Kossel, 261 



Krypton, 30, 65 



LANDOLT, 57 



Langley, 158 



Laplace, nebular theory of, 116 



Lava, 146 



Lavoisier, 24, 33, 37, 56, 57, 63 



Leduc, Stephane, 273 



Lemery, Nicolas, 143 



Light, 96 



Linnaeus, 139 



Lithium, 82, 83 



Living and not living, 269 



Lockyer, Sir N., 178, 250 



Lodge, Sir O., 95, 105, 290 



Loeb, Jacques, 277 



Louville, 204 



MADLER, 235 

 Magnetism of earth, 123 

 Magnitude of stars, 221 

 Mallet, Sir R., 142 

 Mass, 89 

 Mass of the earth, 120 



,, electron, 104 



,, apparent, 109 

 Matter, def. of, 87 



,, inertia of, 93 

 Maximum, work, 41 

 Maxwell, 216 

 Mecanique dkste^ 117 



I Melting point of rocks, 130, 131 

 Mendeleeff, 71 



Mendeleeff's periodical classifica- 

 tion, 71, 73, 83 

 Meta-elements, 69, 70 

 Metchnikoff, 310 

 Meteorites, 250 

 Mira Ceti, 246 

 Model of the universe, 229 

 Moissan, 30 

 Mosander, 69 

 Myers, 251, 252 



NEBUL/E, 238 



Nebular hypotheses, 116, 256 

 Neon, 30, 65, 8 1, 83 

 Newton, 152 



OBJECT of chemistry, 33, 56, 302 

 Omega Centauri, 241 

 Optimum temperature, 287 

 Organic syntheses, 34, 261 

 Organisation of research, 312 

 Orion, 240 

 Osmosis, 270^" 

 Osmotic pressure, 305 

 Ostwald, 64, 80 

 Oxidases, 262 

 Ozone, 68 



PASCAL, 106 



Pasteur, 304 



Peregrina, 244 



Periodical classification, 83 



Periodicity of solar activity, 199 



Photosphere, 174 



Physical astronomy, 300 



chemistry, 55 

 Physiological chemistry, 261 

 Pickering, 248 

 Pleiades, 241 

 Poincare, 112 

 Pozzuoli, 138 



Principle of maximum work, 41 

 Progress of science, 307 

 Proper motion of the sun, 234 

 Proteans, 261 

 Proust, 24 

 Prout, 66 



317 



