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probably other diseases, is held by the highest authorities
to result from sewer gas, the means of prevention of
the development of the latter becomes a question of
the gravest importance, the practical solution of which
has always appeared to your Medical Officers of Health
to be presented by the use of an abundant and continuous
flow of water. Source of Supply.—Looking to the
great amount of organic impurity contained in Thames
water, which no amount of filtration can completely
remove, the desirability of obtaining a supply from the
chalk strata by means of Artesian wells, prominently
presents itself for acceptance.
Meteorology.—The climate of the past year was
mostly very temperate. In table 7 (Appendix), which
is extracted from the Registrar-General's" Annual
Summary "for London, it is seen that the mean temperature
of the air was 49.70 degrees, or 1.1 degree
higher than the average. The amount of rainfall was
25.16 inches or 0.07 above the average. The excess of
rain occurred in the second and fourth quarters, but
principally in the latter when it amounted to 2.25 inches.
Eor further details and subjects of local interest the
reader is referred to the following Summaries of the
several Sub-districts.