See my "Teleological Explanations in Evolutionary
Biology," Philosophy of Science 37 (1970), pp. 1-15;
and "The Distinctness of Biology," in Friedel Weinert
(ed.), Laws of Nature. Essays on the Philosophical, Scientific,
and Historical Dimensions (Walter de Gruyter, Berlin and New
York, 1995), pp. 268-285.
To return to the previous topic,
click on your browser's 'Back' button.