This volume collects David Lyons\u27 well-known essays on Mill\u27s moral theory and includes an introduction which relates the essays to prior and subsequent philosophical developments. Like the author\u27s Forms and Limits of Utilitarianism (Oxford, 1965), the essays apply analytical methods to issues in normative ethics. The first essay defends a refined version of the beneficiary theory of rights against H.L.A. Hart\u27s important criticisms. The central set of essays develops new interpretations of Mill\u27s moral theory with the aim of determining how far rights can be incorporated in a utilitarian framework. They Mill\u27s analysis of moral concepts promises to accommodate the argumentative force of rights, and also provide a signifi...