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13
DISEASES OF THE NEKVOUS SYSTEM.
Under this head 327 deaths were returned, nearly eleven per cent,
of the total deaths—a mortality rate of two-and-a-half per thousand
population. Inflammatory diseases of the brain were responsible for
71 deaths, and 107 had chronic brain afflictions; 117 deaths were
caused by convulsions—all amongst young1 children—84 of whom were
infants.
The convulsive diseases of infants, which in addition to those just
mentioned include Hydrocephalus and Dentition, caused 147 deaths,
a mortality of 27.36 calculated on the births, or seventeen per cent,
of the total infantile deaths from all causes. See Table IV.
RESPIRATORY ORGANS.
The deaths from this group of diseases, exclusive of Phthisis, wore
595, nearly eighteen per cent, of the total mortality, and corresponded
to a rate of 4.6 per thousand population. This is considerably lower
than last year, when nearly one-fourth of the total deaths from all
causes were returned under this head. Table H dissects this mortality
into quarters, and shews the age, distribution, and also the
mean temperature and rainfall, both of which conditions exert very
considerable influence upon the mortality from the class of diseases
under consideration.