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17
In the twelfth period (45th-48th weeks; November 4 to
December 1), the death-rate further rose to 16.6, but it was
2.7 below the decennial average (19.3), 5'0 below the
Metropolitan rate (21.6), this, moreover, being 2.0 below the
decennial average (23.6). The deaths from the principal
diseases of the zymotic class were 27, or two above the
average, this being the only occasion in the year on which
the average was reached: measles and scarlet fever were
the causes of 9 and 7 deaths respectively. The nearer
approach to the end of the year was marked, as usual, by an
increasing mortality from chest diseases, the total deaths
from these causes, which had been 24, 17, and 37 in the
three previous periods, rose to 63, including bronchitis, 45 :
the mean temperature which in the previous period had
been 50°.6, fell to 43°.4, but was l°.l above the average of
ten years.
In the thirteenth and last of the four-weekly periods,
(49th-52nd weeks, December 2-29), the rate of mortality, 17.3,
was 3.2 below the average, and 4.0 below the Metropolitan
rate (21.3), which, moreover, was 4.2 below the decennial
rate (25.5). Measles and whooping cough were the causes
of 7 and 6 deaths respectively; the total deaths from the
principal diseases of the zymotic class being 21, or 9 below
the average. The deaths from chest diseases further rose to
65, including bronchitis 40, the mean temperature (40°.7)
having further declined to the extent of 2°.7, but being 2°.4
above the decennial average.
THE ZYMOTIC DISEASES.
Before entering into details with respect to population
births, deaths, &c., I propose to consider the sickness and
mortality from the principal diseases of the Zymotic class,
and subjects naturally arising out of this topic.
The "Class" of diseases called Zymotic, comprises in the
Registrar-General's classification of the "causes of death"