CONTENTS:- 1. Problem of Psychology; 2. General Theories of Psychology; 3. Methods of Psychology; 4. General Survey of the Subject; I. Psychical Elements: 5. Chief forms and general attributes of psychical elements; 6. Pure Sensations; 7. Simple Feelings; II. Psychical Compounds: 8. Definition and classification of Psychical Compounds; 9. Intensive Ideas; 10. Special ideas; 11. Temporal ideas; 12. Composite feelings; 13. Emotions; 14. Volitional Processes; III. Interconnections of Psychical Compounds: 15. Consciousness and Attention; 16. Associations; 17. Apperceptive Combinations; 18. Psychical States; IV. Psychical Developments: 19. Psychical attributes of animals; 20. Psychical development of the child; 21. Development of Mental communities; V. Psychical Causality and its laws: 22. Concept of Mind; 23. Psychological Laws of relations; 24. Psychological laws of development.