This major series publishes the very best work in the philosophy of biology. Interdisciplinary in character, the series extends across the broadest range of topics: evolutionary theory, population genetics, molecular biology, ecology, human biology, systematics, and more. A special welcome is given to contributions treating significant advances in biological theory and practice, such as those that emerge from the Human Genome Project. At the same time, due emphasis is given to the historical context of the subject, and there is an important place for projects that support philosophical claims with historical case studies.