to the king. Here men and women, though enjoying customary rights of person and property as against one another, have no rights at all as against the king’s pleasure. No European monarch or seignior has ever admittedly enjoyed power of this kind, but European governments have at various times and in various directions exercised or claimed powers no less arbitrary in principle. Thus, by the side of the regular courts of law which prescribe specific penalties for defined offences proved against a man by a regular form of trial, arbitrary governments resort to various extrajudicial forms of arrest, detention, and punishment, depending on their own will and pleasure. Of such a character is punishment by “administrative” process in Russia at the present day; imprisonment by lettre de cachet in France under the ancien régime; all executions by so-called martial law in times of rebellion, and the suspension of various ordinary guarantees of immediate and fair trial in Ireland. Arbitrary government in this form was one of the first objects of attack by the English Parliament in the seventeenth century, and this first liberty of the subject was vindicated by the Petition of