Introduction, Tom Sorell University of Birmingham Philosophia, Historia, Mathematica: Shifting Sands in the Disciplinary Geography of the Seventeenth Century, Daniel Garber Princeton University The Unity of Natural Philosophy and the End of Scientia, Stephen Gaukroger, University of Sydney Matter, Mortality and the Changing Ideal of Science, Catherine Wilson University of Aberdeen Scientia and Inductio scientifica in the Logica Hamburgensis of Joachim Jungius, Stephen Clucas Birkbeck University of London Scientia and the Sciences in Descartes, Tom Sorell University of Birmingham Scientia and Self-Knowledge in Descartes, Nicholas Jolley University of California, Irvine Spinoza's Theory of Scientia Intuitiva, Don Garrett NYU Scientia in Hobbes, Douglas Jesseph University of South Florida John Locke and the Limits of scientia, G.A.J. Rogers Keele University