Duty, Sense of, 84, 88, 95. Ego, 10, 18-19, 62-70, 74, 84, 93, 100-9, 120, 125-7. Relations between ego ideal and, 68-70, 103, 105-10. Relations between object and, 62-70, 74-6, 108-10. Ego ideal, 68-70, 74-7, 80, 100-3, 105-10, 113, 126-7. Abrogation of the, 105. Hypnotist in the place of, 77. Object as substitute for, 74-6, 80, 103, 110. Relations between ego and, 68-70, 103, 105-10. Testing reality of things, 77. The first, 113. Egoism, 57. Emotion: Ambivalent, 18, 55. Charge of, 28. Contagion of. _See_ Contagion. Intensification of, in groups, 16, 23, 27-30, 33, 46, 81. Primitive induction of, 27, 34, 46-7. Tender, 72-3, 78, 116-17. Emotional tie, 40, 43, 45, 52-3, 59-60, 64-5, 81, 88, 91, 94, 100, 117-20. Cessation of, 46-9. Empathy, relation to identification, 66, 70. Enthusiasm, in groups, 25. Envy, 87-8. Equality, demand for, 88, 89. Eros, 38-40. Esprit de corps, origin of, 87. Ethical: conduct of a group, 18. level of Christianity, 111. standards of individual, 24-5. Fairy tales, the hero in, 114. Family, 70, 95, 100, 113, 120. a group formation, 95. and Christian community, 43. and social instinct, 3. Primal, 122. Fascination, 11, 13, 21, 75. Father, 43, 92, 98-9. Equal love of, 95. God, 115. Identification with, 60-2. Object tie with, 62. Primal, 92, 94-5, 99-100, 112-13, 115, 120. Deification of, 93, 115. Killing the, 94, 112-13, 122. Surrogate, 43, 114. _Federn, P._, 50. _Felszeghy, Bela v._, 48. _Ferenczi_, 76, 98. Festivals, 105. Folk-lore, 25. Folk-song, 25. French Revolution, 26. Function: for testing reality, 20, 77. (Instanz), 15. Gemeingeist, origin of, 87. Genital organisation, 19. God, 85, 96. Father, 115. Gregariousness, 83-4, 92. Group: Artificial, 41-2, 52, 82, 89, 94, 110, 122. Different kinds of, 26, 41. Disintegration of, 49-51. Dread in, 47. Equality in, 89. feeling, 86-7, 121. Heightened affectivity in. _See under_ Emotion. ideal, 100, 102. Intellectual capacity of, 14, 18, 23, 25, 29, 31, 33, 81. Intensification of emotion in. _See under_ Emotion. Leaders of. _See under_ Leader. Libidinal structure of, 37, 40, 44-5, 47, 51, 53-4, 70, 79-80, 102-3. marriages, 120. Mental change of the individual in, 6-14, 33-4, 45, 56, 81, 102. mind, 3, 5-27, 40, 49, 82. Organisation in, 26, 30-1, 33, 41-2, 80, 82, 90. Primitive, 31, 33, 41, 80. psychological character of, 6-32. psychology, 1-4, 6, 25-6, 33-4, 37, 45, 53, 59, 92-4, 101, 112, 114. Revolutionary, 26. Sexual instincts and, 120. spirit, 37. Stable, 26, 41, 84, 101. Suggestibility of, 11, 13, 35, 84-5. Transient, 25, 41, 84, 101. Guilt, Sense of, 20, 63, 65, 84, 106. Gynaecocracy, 113. Hatred, 53, 56. _Hebbel_, 49. Herd, 83-5, 89. instinct, 3, 83-6, 105, 121. Hero, 17, 113-15. Homosexuality, 57, 66-7, 94, 123. Horde Primal, 89-95, 99, 113-14, 120. Father of the. _See under_ Father.