INDEX 315 



Lawrence, Ernest 297 



Laws, Faraday's 70 



similar, apply to life processes and the inorganic 57 



Leduc, Stephane 173 



Leeuwenhoek, Anton van 283 



Lenard, P 97, 290 



Le Verrier, IJrbain Jean Joseph 299 



Lewis, Gilbert N 92, 177 



Liesegang, Raphael Ed 64 



Life, origin of 242 



-processes and electrical phenomena 57 



and temperature 58, 236 



quantitative measurement of 34 



theories about origin of, not convincing 13 



not amenable to test 13 



Life, the Gaskell theory of 152-157, 161, 163. 197 



amenable to test 9, 16, 39, 40, 271, 272, 273 



and laboratory test 270-272 



and mathematical proof 267, 268, 269 



and the physical laboratory 267, 273, 280 



a working hypothesis 9, 180, 197 



completeness of 265, 280 



core of 270 



critical concentration of ions postulated 



by 117,121,178,235 



essential hypotheses of 270 



opposed to panspermatism 179 



prerequisites of 113 



proof of 39,280 



demanded 266, 267 



summarization of 152, 153 



test of 9,276-279 



decisive 16, 279, 280 



difficult 16,273,277 



what will constitute proof of 272, 279, 280 



Life, the Gaskell theory of, and death 153, 157, 165-168 



and experimental abiogenesis 180, 181, 272 



and heredity 185, 231-233 



and plural origins of life. . . . 179, 233, 235, 242, 243 

 and quantitative methods for psychology . . 169-173 

 and the cause of cancer. . . .154, 181, 182, 265, 266 

 and the cause of man's lengthened 



infancy 185-188, 264 



