INDEX 



Accumulations, 23 



Acquired characters, 10, 24, 29, 

 42, 288 

 inheritance of, 10, 306 

 in human evolution, 306 



Advance, social rather than 

 organic, 321 



Agglutinative languages, 65 



Agriculture, effect of, 228 



Alcoholism, 241 



Alter ego, 112, 116 



Altruism, 78, 120, 253, 256, 261, 

 329 

 alone produces advance, 257 

 makes strong nations, 253 

 vs. egoism, 254, 330 



Amphictyon, 170 



Anarchism, 186, 192 

 has no religion, 277 



Animal instincts, 247 



Animal language, 44 



Animal societies, 145 



Ants and bees, 145, 284 



Aryan race, 139, 165, 167, 196, 

 234, 291 

 certralization within, 170 

 chieftain not a religious 



head, 169 

 growth of nations, 171 

 migrations of, 167 



Australia, 238 



Barbarians, classification of, 



151 

 Bees, 283 



Beethoven, 318, 320 

 Bird societies, 145 

 Birth rate, 217 

 Bushman, 100, 149, 336 



Callicax family, 295 

 Centralization, a source 

 weakness, 175 



and individual value, 196 



force of, 174, 193 



origin of, 153 



tendency toward, 178 

 Chieftain, 208 

 Child language, 47, 51, 61 



of 



345 



Children, influence of, 134, 136 

 China, 161, 236 

 City, influence of, 290 

 Civilization an artiflcial prod- 

 uct, 281, 286 



and intelligence, 319, 321 



based on acquired charac- 

 ters, 288 



dependent on altruism, 261 



develops intelligence, 322 



ethical in its aim, 260 



founded on instinct, 217 

 Clans, 84, 149 

 Codes of morals, evolution of, 



82 

 Colorado canon, 7 

 Communal system, 162 



based on ability, 162 



lack of centralizing force in, 

 164 



makes men, 166 



weakness of, 164 

 Comparative philology, 55 

 Concepts, 4, 54 

 Congenital characters, 29 

 Conscience, 4, 5, 94, 98, 106, 

 108, 117 



authority of, 122 



origin of, 110 

 Contrast of animal and social 

 man, 17, 20 



of organic and social he- 

 redity, 335 

 Crusades, 209, 255 

 Customs, 22 



Darwin, 9, 75 



Differences between man and 

 animals, 4 



Diseases, venereal, 14 



Disintegration, tendency to- 

 ward, 179, 264, 265 



Divine right of kings, 165, 275 



Duties, 82, 84, 109, 141 



Duty, sense of, 103 



Educated conscience, 298 

 Education, 289, 290 



