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37
Diarrhœa caused 92 deaths, equivalent to an
annual rate of 0.81 per 1,000 inhabitants. 80 occurred
in St. Mary's and 12 in St. John's Sub-district. 71 of
the deaths were of infants under one year of age, and
80 of children under 5 years.
In London the rate was 0.95.
Water.
The average daily quantity of water delivered by
the London Companies during the year 1886 was
161,259,794 gallons, of which about 132,233,031
gallons were probably used for domestic purposes.
The average quantity used daily for domestic purposes
in each house was 185 gallons, corresponding to 23.8
gallons by each person. Of the total quantity,
81,760,432 gallons were taken from the Thames and
79,499,362 from the Lea and other sources.
Notwithstanding the exceedingly variable nature
of the weather during the past year, which occasioned
far greater fluctuations in the quality of the water in
the rivers Thames and Lea than during the two previous
years, it is especially noteworthy that every
sample of water collected from the mains in the
Metropolis was found on examination to be clear,
bright, and free from turbidity. The general
improvement observable for some years in the
quality of that portion of the Metropolitan water-