Acknowledgements; Introduction; 1. Feminist Critics of Aristotle’s Biology and Metaphysics; 2. Disputes Over the Material Contribution of Semen; 3. Aristotle on Material; 4. The Feminine and the Elemental in Greek Myth, Medicine and Early Philosophy; 5. Semen, Menses, Blood: Material in Generation; 6. Sex Differentiation, Inheritance and the Meaning of Form in Generation; 7. Craft and Other Metaphors; Conclusion: On Material in Aristotle’s Biology; Bibliography; Index Locurum; Index.