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in other respects received a different water supply. A
careful investigation of the distribution of Cholera in South
London in this year, conducted mainly by Dr. Snow, but
with the assistance of the Registrar-General, gave the
following result:—
Population in Cholera deaths Cholera deaths
1851. in 14 Weeks. per 10,000
Houses supplied by Southwark Company 266,516 4,093 153
,, „ Lambeth Company 173,748 461 26
The facts were even more remarkable when examined in
detail, inasmuch as in streets and localities which both
Companies supplied the disease singled out the houses
furnished by the Southwark Company.
During the same epidemic a remarkable outbreak
occurred within a limited area in the neighbourhood of
Golden Square, London, the facts of which were also
examined into by Dr. Snow. There had been a few cases
in the neighbourhood during the month of August, including
altogether up to the 30th nine deaths. On the 30th at least
eight cases, which ultimately proved fatal, occurred; on
the 31st, fifty-six; on September 1st, one hundred and
forty-three; on the 2nd, one hundred and sixteen; on the
3rd, fifty-four; and then daily until the 9th, forty-six,
thirty-six, twenty, twenty-eight, twelve, eleven ; after which
the disease rapidly disappeared. No less than six hundred
and sixteen persons were ascertained to have been attacked
fatally with Cholera within this area between August 19th
and September 30th, of whom at least four hundred and
fifteen contracted the disease between August 31st and
September 4th inclusive. Now Dr. Snow's investigations
proved beyond the shadow of a doubt that this sudden and
evanescent outbreak was distinctly due to the use of the