The Senate is to be composed of eight members for each Province, which is henceforth to be called a State, of whom one-half retire triennially, directly chosen by the Houses of Parliament of the several States for a period of six years. Senators are subject to no property qualification, but must be of {220} the age of thirty years, have resided for five years within the limits of the Commonwealth, be entitled to vote for a member of the House of Representatives, and if not British subjects by birth, have been naturalised for at least five years before the time of their election. Bankrupts, criminals, and Government contractors are specially disqualified. Similar provisions and disqualifications apply to members of the House of Representatives, except that the minimum age is reduced to twenty-one years, and that the periods of residence and naturalisation are reduced from five years to three. They are to be chosen, in constituencies of thirty thousand inhabitants, by electors whose qualification shall be that prescribed by each State as the qualification for electors of its more numerous House of Parliament. The members of both Houses are to be paid at the rate of L500 a year, and are precluded from sitting in a State Parliament. The Parliament of the Commonwealth is to have authority to deal with "external affairs and treaties," to take over the powers of the Federal Council, which will cease to exist from the date of its establishment, and to have the exclusive right to legislate in regard to the affairs of the people of any race, not being Australian aboriginals or Maoris of New Zealand, with respect to whom it is deemed desirable to make laws not applicable to the general community; the seat of the Federal Government and any places required {221} for Federal purposes; and the provisional administration of any territory surrendered by any State, and accepted by the Commonwealth, or any territory in the Pacific placed by the Queen under the authority of and accepted by the Commonwealth. The framers of the Constitution doubtless had in view the Northern Territory, which, as it forms a heavy burden upon its resources, South Australia might be glad to hand over to the Federation. The Federal Parliament is also to deal exclusively with the postal and telegraphic services, military and naval defences and munitions of war, ocean beacons and lighthouses, quarantine, and, as soon as a uniform tariff has been imposed, with foreign and internal trade, bounties and duties of customs and excise. In the meanwhile, the duties are to be collected by Federal officials, but will be those that are, or may be, imposed by the Parliaments of the several States. Upon the enactment of a uniform Federal tariff, all such State laws will thereby be repealed and "trade and intercourse throughout the Commonwealth, whether by means of internal carriage or ocean navigation, shall be absolutely free." The expenditure of the