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 through town after town, and see these dismal rows without a vestige of greenery about them, only characterised by their meanness and by their deadly monotony. When such homes are overcrowded, and only have two bedrooms, it is impossible, or next to impossible, to live decently, especially when the family is grown up. Of course, too, this crowding together of people per acre and per room, has the most prejudicial effect upon the health of the community. Disease not only spreads with extraordinary rapidity, but is generated under such conditions—a fact especially noticeable in the case of tuberculosis. A house that is lacking in light and ventilation, as houses are bound to be in these narrow streets, provides just the conditions which are most favourable to the development of this terrible malady; and yet many millions of the working people are living in such houses.

Next there is the highest division of working class houses—Class 3—built perhaps twenty or twenty-five, and sometimes even