316 WHAT IS LIFE 



Life, the Gaskell theory of, and the cause of the difference between organic 



and inorganic substances 176-178 



and the cause of the diflSculty of research on 



living matter 274-276 



and the difference between living and non- 

 living matter 173, 175, 176 



and the germ-cells 183-185 



and the mind 165, 169 



and the organism 152, 168, 169 



and the origin of life 153, 178-180, 242 



and the origin of psychic prop- 

 erties 153, 164, 165, 169 



and the origin of species 153, 182, 183, 233-243 



and the soul 163, 164, 271 



Light 97 



velocity of 303 



-quanta, Einstein's theory of 298 



and the Compton effect 287, 300 



Lillie, Frank R 226 



Ralph S 258 



Linder 70 



Living matter 54 



and non-living matter, difference between 173, 175, 176 



cause of difficulty of research on 274-276 



chemical substances of 55 



chemistry of 55 



difficulties of research on 273-276 



Gaskell's law of the structure of 154, 162, 163 



state, the 153 



Loeb, Jacques. . . .33, 34, 49, 51, 55, 58, 59, 62, 66, 101, 147, 167, 171, 180, 181, 

 185, 207, 211, 216ff., 223ff., 227, 228. 230, 241, 250ff., 257 



Leo 148, 215, 216 



Leonard B 85 



Lohnis, Felix 15 



Longevity 166 



Lorentz, H. A 29, 290 



Loschmidt number 70 



Lucas, F. F 284 



Lull, Richard Swann 201 



Luschan, Felix von 200, 210 



Lyman, Theodore 97 



Mach, Ernst 170, 171, 256 



