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 136 THE AMERICAN JOURNAL OF SOCIOLOGY

(a) General tasks of biological research.

(b) Morphological analysis.

(c) Researches in physiological chemistry

(d) Researches in physiological physics.

(e) Physiological and pathological analysis.

2. The general laws of vital phenomena. (a) Biological tendencies.

(^) Teleological principles of biology, (c) Causal principles of biology.

3. Fundamental biological ideas, and hypotheses about the gen- eral coherence of vital phenomena.

(a) The organic individual and the elementary organism, (i) The systematic ideas of biology.

(c) The causes of life.

(d) The concept "disease."

SECOND VOLUME. FOURTH DIVISION. THE LOGIC OF THE PSYCHICAL

SCIENCES.

Chap. I. The General Foundations of the Psychical Sciences.

1. Development and articulation of the psychical sciences. (a) Development of the psychical sciences.

(*) The system of psychical sciences.

(c) Relation of psychical sciences to philosophy.

2. Principles of discovery in Wis psychical sciences.

(a) The principle of subjective judgment.

(b) The principle of dependence upon psychical environment

(c) The principle of natural determination of psychical occur- rences.

{d) Causal and teleological conceptions within the psychical sciences.

3. The general methods and auxiliaries of the psychical sciences (a) Relation to the methods of natural science.

(^) Psychological analysis and abstraction.

(c) The comparative method.

(d) Interpretation.

(e) Criticism.

(/) The idea of law in the psychical sciences. Chap. II. The Logic of Psychology.

1. The general types {Richtungen) of psychology.

(a) Materialistic psychology.

(b) Intellectualistic psychology.

(c) Voluntaristic psychology.

2. Individual psychology.

{a) The tasks of individual psychology.