ve doctors' bills
to the tenants. But, if tenants should ever become so wise as to refuse
to occupy unhealthy constructed houses, and if Insurance Companies
should ever come to understand their interest so thoroughly as to pay a
Sanitary Surveyor to look after the houses where their clients live,
speculative architects would speedily be brought to their senses. As it
is, they build what pays best. And there are always people foolish
enough to take the houses they build. And if in the course of time the
families die off, as is so often the case, nobody ever thinks of blaming
any but Providence[2] for the result. Ill-informed medical men aid in
sustaining the delusion, by laying the blame on "current contagions."
Badly constructed houses do for the healthy what badly constructed
hospitals do for the sick. Once insure that the air in a house is
stagnant, and sickness is certain to follow.

[Sidenote: Pure water.]

2. Pure water is more generally introduced into houses than it used to
be, thanks to the exertions of the sanitary reformers. Within the last
few years, a large part of London was in the daily habit of using water
polluted by the drainage of its sewers and water closets. This has
happily been remedied. But, in many parts of the country, well water of
a very impure kind is used for domestic purposes. And when epidemic
disease shows itself, persons using such water are almost sure to
suffer.

[Sidenote: Drainage.]

3. It would be curious to ascertain by inspection, how many houses in
London are really well drained. Many people would say, surely all or
most of them. But many people have no idea in what good drainage
consists. They think that a sewer in the street, and a pipe leading to
it from the house is good drainage. All the while the sewer may be
nothing but a laboratory from which epidemic disease and ill health is
being distilled into the house. No house with any untrapped drain pipe
communicating immediately with a sewer, whether it be from water closet,
sink, or gully-grate, can ever be healthy. An untrapped sink may at any
time spread fever or pyaemia among the inmates of a palace.

[Sidenote: Sinks.]

The ordinary oblong sink is an abomination. That great surface of stone,
which is always left wet, is always exhaling into the air. I have known
whole houses and hospitals smell of the sink. I have met just as strong
a stream of sewer air coming up the back staircase of a grand London
house fro