20. Modem Extensions of Communication: the Telephone, the Telegraph, Radio, the Motion Picture, Popular Music.

21. An Explanation of Secondary Society in Terms of Secondary Devices of Communication.

22. Graham Wallas' Conception of the Problem of Social Heritages in Secondary Society.

QUESTIONS FOR DISCUSSION

1. What do you understand Gumplowicz to mean by a "natural process"?

2. Do you think that the idea of a "natural process" is applicable to society?

3. Is Gumplowicz' principle of the interaction of social elements valid?

4. What do you understand Simmel to mean by society? by socialization?

5. Do you agree with Simmel when he says, "In and of themselves, these materials with which life is filled, these motivations which impel it, are not social in their nature"?

6. In what ways, according to Simmel, does interaction maintain the mechanism of the group in time?