Notes

  1. . Donald T. Campbell, “On the Conflicts between Biological and Social Evolution nd between Psychology and Moral Tradition,” in this issue.
  2. . Charles Darwin, The Descent of Man and Selection in Relation to Sex, 2d ed. (London: Murray, 1886).
  3. . Peter J. Richerson and Robert Boyd, “A Dual Inheritance Model of the Human Evolutionary Process,” Journal of Human and Social Biology (in press).
  4. . Robert Solow, Growth Processus (Oxford: Clarendon Press, 1970).
  5. . Richerson and Boyd.
  6. . See Peter J. Richerson, “Ecology and Human Ecology: A Comparison of Theories in the Biological and Social Sciences,” American Ethnologist (in press).