SECOND BOSTON OBJECT LESSON 67 advantage of any one class of men over another; yet it is not difficult to conceive how, in the relief of houses and stores and factories from taxation, the real estate business would get a large share of betterment from the change. Herewith is offered a collection of facts and defini tions, coupled with \ few simple statements, calcu lations, and deductions, criticism of which is invited. These take the form of observations, purposely dis jointed in order that a connection dropped may not be a connection lost. It is hoped that in the consider ation of these points a sufficient vantage ground of agreement may appear from which to begin at once gradually to supplant the bad with the good, the crooked with that which is straight, the unattainable and indefensible with that which is practicable, simple, and near at hand. The assessed valuation of Washington Street, from Adams Square to Eliot Street, 3,495 feet, or two- thirds of a mile in length, with an area of 745,003 square feet, I7tV acres, comprising 179 estates, was in 1907: Land .... $61,135,900 $77.00 per square foot Buildings . . . 10,793,200 $13.50 per square foot This is an increase in valuation, over the year 1898, of land, $20,438,400, or 50 per cent; of buildings, |i,955,too, or 20 per cent. In 1899 the valuation of the buildings was 21J per cent that of the land; in l 9°7, only 17^ per cent. The property, land and buildings, yields to the city, in taxes at $15.90 per thousand, $1,143,672. By an increase of $2.80 in the rate, with all buildings