1. The logic of discovery and Darwin's pre-Malthusian researches

   • Scott A. Kleiner

   OriginalPaper Pages: 293 - 315

2. Evolution, explanation, and the fact/value distinction

   • Stephen W. Ball

   OriginalPaper Pages: 317 - 348

3. Survival of the fittest: Law of evolution or law of probability?

   • David B. Resnik

   Discussion Pages: 349 - 362

4. Psychology's place in the science of the mind/brain?

   • Michael C. Corballis

   Reviews Pages: 363 - 373

5. Is a unified science of the mind-brain possible?

   • John Bishop

   Reviews Pages: 375 - 391

6. Replies

   • Patricia Smith Churchland

   Replies to Reviews Pages: 393 - 402

7. Booknotes

   • M.R.

   Legacy Pages: 403 - 406