INDEX 



561 



Ectoderm, production of the, by 



differentiation, 32 

 Egg-cells, reproduction of, 13, 19, 25 

 Elephant, fecundity of, 5 

 EltLniQation of useless members of 



the species, 261 

 Emerson, on the search for beauty, 



522 

 Emery, Professor, on excessive 



variation, 55 

 Endoderm, production of the, by 



differentiation, 32 

 Epigenesis and the doctrine of germ- 

 plasm, 42 

 Epilepsy, 71 



transmission of, 70 

 Equilibria, realised by mechanical 

 means in the organic world, 

 219 

 mechanical, not possible in the 



super-organic world, 221 

 must be re-estabhshed in the 

 super - organic world by 

 society, 228-232, 239, 243-4 

 Ernst, Alfred, on the Wagnerian 



drama, 536 

 Ethical system, cannot be estab- 

 lished on a natural basis, 484 

 Eudorina, 12, 13 

 Eugenic progress of the race, 309 

 welfare of society, modern 

 neglect of, 286, 287 

 European conflicts, note on, 409- 



414 

 Evolution, factors of, 1 



spatial , as distinct from 



temporal, 129 

 traditional, must not exceed 



biological evolution, 439 

 the aim of, is adaptation, 541 

 Expansion, necessary to the race, 

 315, 316, 317, 318 

 the incapability of artificial 



vitality to produce, 344 

 the fundamental law of life, 

 350, 860, 361, 363, 370, 374, 

 379, 470 

 increased by social life, 361, 



362 

 the outcome of social and indi- 

 vidual activity, 364 

 depends on social evolution, 

 366, 368 



Expansion of inferior races unable 



to compete with Western 



civilisation, 367, 

 realises itself through conflict, 



369, 370, 376, 468, 477, 478, 



486, 504 

 greatest possible, the real 



perfection of life, 424 

 co-operation of science and 



religion essential to, 521 

 of the emotional nature, 524 

 Expenditure, necessary to organic 



Ufe, 259 

 on alcohol, 416, 417 



Factory Acts, their effect on the 

 welfare of the labouring classes, 

 443, 444 

 Family, as a factor of social cohe- 

 sion, 245, 247 

 Fecundity, excessive, a factor of the 

 Darwinian theory of evolution, 4 

 F&r6, Charles, on consanguinity, 

 118 

 on teratological heredity, 166, 

 167 

 Ferri, Professor, and the theory of 

 adaptation, 66, 171 

 on criminology, 381 

 PertiUty, comparative, of social 

 classes, 325, 326, 327 

 rate of, affected by present 



economic system, 329 

 relation of age to the degree of, 



331 

 and comparative mortality, 334, 

 335 

 Fertihsation, part played by, in 



reproduction, 14, 18 

 Fichte, his conception of the State, 



451 

 Fischer, experiments of, 141 

 Fishes, luminous organs of deep-sea, 



148 

 Fittest, definition of, in society, 314 

 Forces inherent in social organism, 



184 

 FouiMe, A., on the reality of ideas, 

 369, 409 

 on the limits to human know- 

 ledge, 499 

 Fournier, A., statistics on the results 

 of syphilis, 289, 290, 298 



36 



