Introduction: The transcendental undertaking of the Critique of the Power of Judgment; 1. The charge of reflective judgment and the conceptual and aesthetic purposiveness of nature; 2. Organisms, teleological judgment, and the methodology of biology; 3. The antinomy of teleological judgment; 4. Discursivity and the conceptual purposiveness of nature; 5. The significance of form and the aesthetic purposiveness of nature; Conclusion: Kant's empiricism.