1. Editorial announcement

   • M. R.

   Announcement Pages: 1 - 1

2. Modeling in the museum: On the role of remnant models in the work of Joseph Grinnell

   • James R. Griesemer

   OriginalPaper Pages: 3 - 36

3. Species of thought: A comment on evolutionary epistemology

   • David Sloan Wilson

   OriginalPaper Pages: 37 - 62

4. Can abstractions be causes?

   • David M. Johnson

   OriginalPaper Pages: 63 - 77

5. Marxism and human sociobiology: A reply to Zhang Boshu

   • Lansana Keita

   Discussion Pages: 79 - 83

6. The myth of the non-Darwinian revolution

   • Ernst Mayr

   Reviews Pages: 85 - 92

7. Booknotes

   • M. R.

   OriginalPaper Pages: 119 - 124

8. Call for papers

   Announcement Pages: 125 - 125

9. Announcement

   Announcement Pages: 126 - 126