Section One The Constitution of Material Nature.- one: The Idea of Nature in General.- 1. Preliminary delineation of the concepts of nature and experience..- (Exclusion of meaning predicates).- 2. The natural-scientific attitude as a theoretical attitude.- 3. Analysis of the theoretical attitude, of the theoretical interest.- 4. Theoretical acts and "pre-giving" intentional lived experiences.- 5. Spontaneity and passivity; actuality and inactuality of consciousness.- 6. The distinction between the transition into the theoretical attitude and the transition into reflection.- 7. Objectivating and non-Objectivating acts and their correlates.- 8. The sense-objects as primal constitutive objects.- 9. Categorial and aesthetic ("sensuous") synthesis.- 10. Things, spatial phantoms, and the data of sensation.- 11. Nature as sphere of mere things.- Two: The Ontic Sense-Strata of the Thing of Intuition as Such.- 12. Material and animal nature.- 13. The significance of extension for the structure of "things" in general and of material things in particular.- 14. The significance of extension for the structure of animalia.- 15. The essence of materiality (substance).- a) Phenomenological analysis of the givenness of the thing as a way toward determining the essence, "material thing.".- b) Mobility and alterability as constituents of the material thing; the thing-schema.- c) Exhibition of the materiality of the thing by way of its dependence on circumstances.- d) The schema as real determinateness of the material thing.- e) More precise determination, redetermination, and cancellation of the thing-experience.- 16. The constitution of the properties of the thing in multiple relations of dependency.- 17. Materiality and substantiality.- Three: The Aestheta in Their Relation to the Aesthetic Body.- 18. The subjectively conditioned factors of the constitution of the thing; the constitution of the Objective material thing.- a) The intuitive qualities of the material thing in their dependencies on the experiencing subject-Body.- b) The significance of normal perceptual conditions for the constitution of the intuited thing and the significance of abnormalities.- c) The significance of psychophysical conditionality for the various levels of constitution.- d) The physicalistic thing.- e) Possibility of the constitution of an "Objective nature" on the solipsistic level.- f) Transition from solipsistic to intersubjective experience.- g) More precise characterization of the physicalistic thing.- h) The possibility of the constitution of an "Objective nature" at the level of intersubjective experience.- Section Two The Constitution of Animal Nature.- 19. Transition to the consideration of the soul as a natural Object.- 20. The sense of the ordinary talk about the "psychic".- 21. The concept of "I as man".- One: The Pure Ego.- 22. The pure Ego as Ego-pole.- 23. The possibility of grasping the pure Ego (the Ego-pole).- 24. "Mutability" of the pure Ego.- 25. Polarity of acts: Ego and Object.- 26. Alert and dull consciousness.- 27. "I as man" as part of the content of the environment of the pure Ego.- 28. The real Ego constituted as transcendent Object; the pure Ego as given in immanence.- 29. Constitution of unities within the sphere of immanence. Persistent opinions as sedimentations in the pure Ego.- Two: Psychic Reality.- 30. The real psychic subject.- 31. The formal-universal concept of reality.- 32. Fundamental differences between material and psychic reality..- 33. More precise determination of the concept of reality.- 34. Necessity of the distinction between the naturalistic and the personalistic attitudes.- Three: The Constitution of Psychic Reality Through the Body.- 35. Transition to the study of the constitution of "man as nature".- 36. Constitution of the Body as bearer of localized sensations (sensings).- 37. Differences between the visual and tactual realms.- 38. The Body as organ of the will and as seat of free movement.- 39. Significance of the Body for the constitution of higher Objectivities.- 40. More precision concerning the localization of the sensings and concerning the non-thingly properties of the Body.- 41. Constitution of the Body as material thing in contrast to other material things.- a) The Body as center of orientation.- b) Peculiarity of the manifolds of appearance of the Body.- c) The Body as integral part of the causal nexus.- 42. Character of the Body as constituted solipsistically.- Four: The Constitution of Psychic Reality in Empathy.- 43. Givenness of other animalia.- 44. Primal presence and appresence.- 45. Animalia as primally present Corporeal bodies with appresented interiority.- 46. Significance of empathy for the constitution of the reality "I as man.".- 47. Empathy and the constitution of nature.- Section Three The Constitution of the Spiritual World.- 48. Introduction.- One: Opposition Between the Naturalistic and Personalistic Worlds.- 49. The personalistic attitude versus the naturalistic.- a) Introjection of the soul as presupposition even for the naturalistic attitude.- b) Localization of the psychic.- c) Temporalization of the psychic. (Immanent time and space-time).- d) Reflection on method.- e) The naturalistic attitude and the natural attitude.- 50. The person as center of a surrounding world.- 51. The person in personal associations.- 52. Subjective manifolds of appearance and Objective things.- 53. The relationship between the consideration of nature and the consideration of the spirit.- Two: Motivation as the Fundamental Law of the Spiritual World.- 54. The Ego in the inspectio sui.- 55. The spiritual Ego in its comportment toward the surrounding world.- 56. Motivation as the fundamental lawfulness of spiritual life.- a) Motivation of reason.- b) Association as motivation.- c) Association and experiential motivation.- d) Motivation in its noetic and noematic aspects.- e) Empathy toward other persons as an understanding of their motivations.- f) Natural causality and motivation.- g) Relations between subjects and things from the viewpoint of causality and of motivation.- h) Body and spirit as comprehensive unity: "spiritualized" Objects.- 57. Pure Ego and personal Ego as Object of reflexive self-apperception.- 58. The constitution of the personal Ego prior to reflection.- 59. The Ego as subject of faculties.- 60. The person as subject of acts of reason, as "free Ego".- a) The "I can" as practical possibility, as neutrality modification of practical acts, and as original consciousness of abilities.- b) The "I can" motivated in the person's knowledge of himself Self-apperception and self-understanding.- c) The influence of others and the freedom of the person.- d) General type and individual type in understanding persons.- 61. The spiritual Ego and its underlying basis.- Three: The Onto logical Priority of the Spiritual World over the Naturalistic.- 62. The interlocking of the personalistic attitude and the naturalistic attitude.- 63. Psychophysical parallelism and interaction.- 64. Relativity of nature, absoluteness of spirit.- Supplements.- Supplement I: Attempt at a step-wise description of constitution.- Supplement II: The Ego as pole and the Ego of habitualities.- Supplement III: The localization of the ear noises in the ear.- Supplement IV: Sketch of an introduction to "The constitution of the spiritual world.".- Supplement V: The pregivennesses of the spirit in spiritual life.- Supplement VI: Inspectio sui ("I do" and "I have").- Supplement VII: The Ego and its "over-and-against.".- Supplement VIII: On the unity of "Body" and "spirit".- Supplement IX: Spiritual products.- Supplement X: Personal Ego and surrounding world (333)-The levels of the constitution of Objective reality (336)- Pure Ego and personal Ego (337).- Supplement XI: The human being apprehended in an inductive-natural way and the free person.- Supplement XII: Supplements to Section Three.- I. The Person-The Spirit and Its Psychic Basis.- 1. The distinction between primal sensibility and intellectusAgens.- 2. Sensibility as the psychic basis of the spirit.- Excursus: impression and reproduction.- 3. Development of the Ego-Ego-action and Ego-affection.- II. Subjectivity as Soul and as Spirit in the Attitude of the Natural Sciences and in the Attitude of the Human Sciences.- 1. The reality of the soul and of the human being.- 2. Psychophysical causality and the causal nexus of things.- 3. Possibility of the insertion of the soul into nature.- 4. The human being as spiritual subject.- 5. Empathy as spiritual (not naturalistic) relation between subjects.- 6. Spiritual Ego and psychological Ego.-Constitution of the Ego as self-apperception.- 7. Subjects considered as nature and as spirit.- 8. Distinction between a psychological and a psychophysical analysis.- 9. Stream of consciousness, lived experience, and intentional correlates as nexuses of psychic life.- 10. The spiritual considered psychologically and the question of its "explanation."-Two concepts of nature.- 11. The human sciences posit subjectivity as absolute. -"Inner" and "outer" experience.- 12. Nature in the human-scientific attitude.-The human-scientific and the phenomenological attitude.- Supplement XIII: "Personal subjectivity" as theoretical theme,.- Supplement XIV: Human-scientific attitude-Natural science incorporated into the human-scientific attitude.-Mere nature as surrounding world (389)-The various types of intuitive causality (390)-Abstract-scientific investigations (391)-Natural science within human science (392)-The concept of Objectivity (398).- Epilogue.