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44
Diarrhœa.
The deaths in the Administrative County of London attributed to diarrhœa and dysentery in the
year 1897 numbered 4,098, compared with 3,199 in 1896.
The death rates per 1,000 living in 1897 and preceding periods were as follows—
1851-60 1.03
1861-70 1.04
1871-80 0.95
1881-90 0.75
1891 0.571
1892 0.601
1893 0.801
1894 0.411
1895 0.821
1896 0.711
1897 0.921
The diarrhœa death rate in each year since 1840 in relation to the mean death rate of the period
1841-97, is shown in diagram XVIII. The mean temperature of the summer quarter of each year in
relation to the mean of the period 1841-97 is also shown. The intimate relation between the
temperature of the summer quarter and the amount of diarrhoea mortality will be seen.

It will be seen from the following table that the London death rate from diarrhœa was lower
than that of any of the undermentioned towns, except Bristol, both in the period 1887-96 and in
the year 1897.

In the whole year the eastern group of districts had the highest death rate, the northern the
lowest. Of the districts St. George, Southwark, suffered most, and St. Martin-in-the-Fields was least
affected. During the first quarter of the year the southern group had the highest death rate, the
death rate being above the average of London as a whole; during the second quarter the eastern group
had the highest death rate, and the death rates of this and the western group were above the London
average; during the third quarter there was a rise in the mortality, and the eastern had again the
highest death rate; during the fourth quarter the central had the highest death rate, and the northern
the lowest

1 See footnote (1), page 7.
2 See footnote (2), page 7.