Chapter 6

I. Introduction 1. The Concept of Interaction 339 2. Classification of the Materials 341

II. Materials

A. Society as Interaction 1. The Mechanistic Interpretation of Society. _Ludwig Gumplowicz_ 346 2. Social Interaction as the Definition of the Group in Time and Space. _Georg Simmel_ 348

B. The Natural Forms of Communication 1. Sociology of the Senses: Visual Interaction. _Georg Simmel_ 356 2. The Expression of the Emotions. _Charles Darwin_ 361 3. Blushing. _Charles Darwin_ 365 4. Laughing. _L. Dugas_ 370

C. Language and the Communication of Ideas 1. Intercommunication in the Lower Animals. _C. Lloyd Morgan_ 375 2. The Concept as the Medium of Human Communication. _F. Max Mueller_ 379 3. Writing as a Form of Communication. _Charles H. Judd_ 381 4. The Extension of Communication by Human Invention. _Carl Buecher_ 385

D. Imitation 1. Definition of Imitation. _Charles H. Judd_ 390 2. Attention, Interest, and Imitation. _G. F. Stout_ 391 3. The Three Levels of Sympathy. _Th. Ribot_ 394 4. Rational Sympathy. _Adam Smith_ 397 5. Art, Imitation, and Appreciation. _Yrjoe Hirn_ 401

E. Suggestion 1. A Sociological Definition of Suggestion. _W. v. Bechterew_ 408 2. The Subtler Forms of Suggestion. _Albert Moll_ 412 3. Social Suggestion and Mass or "Corporate" Action. _W. v. Bechterew_ 415

III. Investigations and Problems 1. The Process of Interaction 420 2. Communication 421 3. Imitation 423 4. Suggestion 424

_Selected Bibliography_ 425 _Topics for Written Themes_ 431 _Questions for Discussion_ 431