CONTENTS 



PAGE 



A BEGINNING 1 



LIGHT AND HEAT 1 



LIFE 2 



MAN 2 



INTELLIGENCE 3 



APPARENT HELPLESSNESS 4 



PROLONGED INFANCY 4 



RACE FOR LIFE 5 



MAN'S TRIUMPH 5 



DISEASE 6 



OTHER ENEMIES 7 



MAN AGAINST MAN 9 



FACT VERSUS THEORY 10 



STRUGGLE FOR EXISTENCE 12 



ALTRUISM 13 



MAN is COMPLEX 15 



EMOTION 16 



MAN'S FULL-ROUNDED NATURE . . . . ' '17 



SELFISHNESS 17 



HEALTH OF NATIONS 19 



MORAL SENTIMENTS 20 



LIFE'S CONDITIONS 21 



SO-CALLED LOWER ANIMALS 22 



PROGRESS 24 



-THE IDEA OF GOD 25 



SUPERSTITION 27 



RACE SURVIVAL 30 



MORAL IDEAS 31 



SACRIFICE 32 



VARYING MORAL IDEAS 34 



THE GENERAL GOOD 36 



SURVIVAL OF THE FITTEST 38 



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