8 4 THE A B C OF TAXATION pays, and must pay, for the use of his land, and no constitution or statute, army or navy, can relieve him f rom this natural tax. He now pays this ground rent, and all other taxes besides. Our desire is to turn Ephraim from his petrified idols of taxation until he pays no tax except his ground rent, which he must pay in any event. The inequality in the division of wealth effected through special privilege is caused by the failure to put a natural tax in the right place, and the subsequent aggravation of this unequal division is caused by the error of putting artificial taxes in the wrong place. The single tax is not a new device with a set of newly devised principles peculiar to itseT; it must stand, if it stands at all, upon demonstrable scientific principles of political economy. These we are seeking to deter mine and apply, believing that the operation of such principles must bear the fruits by which they may be known and justified. Other sciences — mathematics, chemistry, physics, astronomy — have long been showering the world with blessings. Is it not time that economics, the science par excellence of the fair distribution of all these blessings, should assume its high privilege and preroga tive as quartermaster, commissary, and purveyor, to govern the issue of all these Aladdin stores? In considering the possible ease with which the burden of taxation may be made finally to weigh, let the fact never be lost sight of that the selling value of land will, with the new purchaser, subsequently to the imposition of a new tax, slip out from under the burden like a globule of mercury from under the thumb. We find that the only place where the tax yoke will stay