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118
of April, however, the cases rose to 22, then sank to 18 in the following
week, and then to 10 cases, or 3½ below the weekly average, in the 3rd
week of that month. This brought the disease as far as the 16th week
of the year. From this date forward it was always above the previous
years' average, and though it rose and fell from one week to another,
yet it always had a steady upward tendency until the 38th week (4th
week in September), when as many as 94 notifications were received at
the Public Health Department. The following table gives the weekly
rise and fall of the disease throughout the year.

* The maximum.
The mean average for the year was 34.4 notifications per week,
while, as already stated, it was only 13.5 notifications in 1891.
In this table it will be seen that only in eleven weeks was the
number of notifications below the average of the preceding year, while
in 41 instances it was above it.