By the social form of friendship we mean that which arises from intimacy and has nothing to do with kinship ; for instance, that of Pylades for Orestes. The friendship of hospitality is that which is extended . to strangers owing.to an introduction or letters of recommendation. Thus friendship is either natural or social or hospitable. Some add a fourth species, that of love. There are five forms of civil government : one form is democratic, another aristocratic, a third oligarchic, a fourth monarchic, a fifth that of a tyrant. The democratic form is that in which the people has control and chooses at its own pleasure both magistrates and laws. The aristocratic form is that in which the rulers are neither the rich nor the poor nor the nobles, but the state is under the guidance of the best. Oligarchy is that form in which there is a property-qualification for the holding of office ; for the rich are fewer than the poor. Monarchy is either regulated by law or hereditary. At Carthage the kingship is regulated by law, the office being put up for sale. But the monarchy in Lacedaemon and in Macedonia is hereditary, for they select the king from a certain family. A tyranny is that form in which the citizens are ruled either through fraud or force by an individual. Thus civil government is either democratic, aristocratic, oligarchic, or a monarchy or a tyranny. There are three species of justice. One is con-