and physical stamina are broken, and the good workman, fresh from the soil, becomes in the first city generation a poor workman; and by the second city generation, devoid of push and go and initiative, and actually unable physically to perform the labor his father did, he is well on the way to the shambles at the bottom of the Abyss.
If nothing else, the air he breathes, and from which he never escapes, is sufficient to weaken him mentally and physically, so that he becomes unable to compete with the fresh virile life from the country hastening on to London Town to destroy and be destroyed.
Leaving out the disease germs that fill the air of the East End, consider but the one item of smoke. Sir William Thistleton-Dyer, curator of Kew Gardens, has been studying smoke deposits on vegetation, and, according to his calculations, no less than six tons of solid matter, consisting of soot and tarry hydrocarbons, are deposited every week on every quarter of a square mile in and about London. This is equivalent to twenty-four tons per week to the square mile, or 1248 tons per year to the square mile. From the cornice below the dome of St. Paul's Cathedral was recently taken a solid deposit of crystallized sulphate of lime. This deposit had been formed by the action of the sulphuric acid in the atmosphere upon the carbonate of lime in the
