THIRD BOSTON OBJECT LESSON 83 the demands of business, the more securely the title valve is pressed down to its seat. A title to land bought and paid for five or fifty years ago is not like other wealth. Title to land is simply a warrant to take indirectly at the annual round-up a certain proportion out of the wealth which other people’s labour Ihas produced upon that land. That is, it is a warrant to take the ground rent which public expenditure creates, leaving other people to go on paying the taxes with which to meet that public expenditure. Ground Rent a Reflected Value It may help to an understanding of the subject to remember that the site value of land is so to speak a reflected value, an intangible value, not value result ing from individually directed labour. The immovable land reflects the movables that are upon it. In great centres of traffic in movables, the land value is great. Withdraw all movables from Boston, New York, or Chicago, divert them to other centres, and land value would vanish as does your image from the glass when you step away from it. How plain, then, is the unwisdom of taxing the things which a community wishes above all else to invite and to hold; how plain the wisdom of taxing nothing that can evade taxation The Natural Basis for a Natural Tax The ultimate natural basis for the assessment of a natural tax upon land is manifestly the basis upon Which the assessor makes all his calculations of land value, viz., gross ground rent, what the land is worth for use. Ground rent is something that every map