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10
Even the night population of the City amounts to
about 103 persons to an acre. Whereas in the
whole of the Metropolis the number is but 41.7 to
an acre; and in the 20 chief towns of England, to
which the Registrar General refers in his weekly
reports of mortality, &c., the average density of the
population is but 33.8 persons to an acre—the range
being from 10.6 at Sheffield, to 96.8 at Liverpool.
Again, in the 198 districts and sub-districts comprising
the chief towns of this country, the number
of persons to an acre is but 3.9, and in all England
and Wales it is only 0.6, or just three persons
to five acres of ground. It is manifest, therefore,
that notwithstanding the great reduction of the
population of the city in the course of the last
twenty years, the density of it is still excessive;
and, considering the quality of a very large portion
of the population in respect of its poverty and vice,
there can be no doubt of the necessity for the same
vigilant exercise of your sanitary powers, as has
been hitherto practised.
In all former reports of the sanitary condition of
the City, the area of it has been divided into three
districts or unions—namely, the Eastern, the Western,
and the Central. These divisions, however,
were abolished in 1870, when the three unions of
the City were incorporated; but as the sub-districts