The philosophy of biology should move to the center of the philosophy of science - a place it has not been accorded since the time of Mach. Physics was the paradigm of science, and its shadow falls across con- temporary philosophy of biology as well, in a variety of contexts: reduction, organization and system, biochemical mechanism, and the models of law and explanation which derive from the Duhem-Popper- Hempel tradition. This volume, we think, offers ample evidence of how good contempo- rary work in the philosophical understanding of biology has become. Marjorie Grene and Everett...