INDEX 



563 



Individual life is fostered at the 

 expense of the race, 850 

 dependent on the integration of 



society, 532 

 value of, depends on expan- 

 sion, 533 

 Individual variations affecting the 



adaptability of the species, 322 

 Individualism, contradiction be- 

 tween economic power and 

 the doctrine of, 240, 454 

 destructive to social life, 243, 



252 

 nevertheless an essential factor 



in human evolution, 408 

 excessive, the outcome of 

 eighteenth-century phUoso- 

 phy, 427, 428 

 the root of Liberalism, 452, 



453 

 cannot be reconciled with 



idealism, 519, 531, 533 

 affords insufficient satisfaction 

 to the desire for expansion, 

 526 

 Individuation, antagonism between 



Genesis and, 422 

 Industrial forces, not equal to reli- 

 gious forces as factors of social 

 integration, 480 

 Industrialism, affecting the social 

 structure, 330 

 effect of, on individual life, 553 

 Inequality, natural, requires the 



sacrifice of life, 491 

 Infant mortality, affected by 



syphilis, 298 

 Inferior races, expansion of, 365 

 Infusorians, the reproductive power 



of, 16 

 Insanity, as a social factor, 257 

 increase of, 257, 261, 266, 415 

 affected by alcoholism and 



syphilis, 264 

 statistics on, 267-272 

 maximum rate reached in June, 



280 

 affected by periodic economic 

 activity, 285 

 InsatiabUity, a source of suffering, 

 227 

 restrained by moral force, 232 

 effect on the individual, 241 



Insatiability checked by social 

 organs, 250 

 the complement of expansion, 

 370, 371, 875, 376, 379, 498, 

 499 

 requires an aim which trans- 

 cends individualism, 428 

 Insects, development of, cannot be 



explained by Lamarokism, 82 

 Instinct, as inherited habit, 72 



explanation of, through natural 



selection sufficient, 74 

 volitional origin of certain 



instincts, 74 

 of insects, 75 

 sometimes a possible result of 



tradition, 76 

 inherited by the hound, 83 

 the result of adaptation, 88 

 a succession of reflex combina- 

 tions, 88 

 self - preservation the most 

 widely and perfectly deve- 

 loped of all, 89 

 monophagous instincts, 89, 90 

 correlation of, with colour, a 



result of selection, 90 

 with morphological peculiari- 

 ties of certain fishes, 94 

 consciousness as a factor in 



the origin of, 91, 92 

 volitional origin of certain in- 

 stincts, 92 

 limited development of certain 

 instincts, 93, 94 

 Integration of society, the aim of 

 social polity, 427 

 necessity of, 431 

 Intercrossing. See Hybridism 

 Intragerminal nutrition, limitation 



of quantity of, 57 

 Inverse selection, as favoured by 



private property, 824 

 Ischikawa, Professor, and conjuga- 

 tion of Protozoa, 19 



Japan, evolution of, 438 



religious idealism of, 506 



Kant, definition of Liberalism, 460, 

 451, 455 

 socialistic tendencies of, 465 

 and free thought, 510 



36—2 



