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total deaths, or 32.6 per cent., are to be credited to it. Diphtheria always, increases in October, shortly after the opening of the schools, and falls to minimum when they close. It is to be remarked that three old people died with diphtheria in 1903. was 60 years old, one was 68 and one 78.

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DIPHTHERIA AND CROUP.

Comparison of 1903 with average of the last four years.

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CHART No. 4.

Average deaths per month for four years, 1900-1903.

Deaths per month for the year 1903.

Nine months show less than average.

Three months show an increase over average.

The above chart gives the monthly incidence of diphtheria and also compares 1903 with the average for the last four years.

Chart No. 5 shows diphtheria deaths by ages.

Diagram Showing Deaths from Diphtheria and Croup, by Ages, Year

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One hundred and sixty-four deaths, rate 6.5. It is a strange coincidence that this exact condition prevailed in the preceding year, the same number of deaths being reported. The highest number occurred in December (34), and the next highest in January (22).

Chart No. 6 shows the monthly incidence of scarlet fever deaths, and also compares 1903 with the average of the last four years. By this comparison there is an increase to be recorded of 5.8 per

cent.

Comparison of 1903 with average of the last four years.

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Average deaths per month for four years, 1900-1903.

Deaths per month for the year 1903.

Five months show less than average.

Seven months show an increase over average.

Of the scarlet fever deaths 47, or 48.7 per cent., were under five years old, and 55, or 33.5 per cent., were between the ages of 5 and 10. There was one scarlet fever death between 30 and 35, one 43 years old and one 82 years old.

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Chart No. 7 shows the incidence of age to scarlet fever deaths.

Diagram Showing Deaths from Scarlet Fever, by Ages, Year Ending December, 1903.

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The group to which this term is applied includes dysentery, all varieties, No. 14 International classification, and diarrhoea and enteritis, No. 105.

Dysentery. Two hundred and eleven deaths, rate 8.3 per 100,000; in the preceding year 277, rate 11, July, August, September and October, the critical months, reporting 36, 59, 49 and 22, respectively; total 166, or 78.6 per cent. of the yearly total. Dysentery prevails mostly among old people, the line beginning to rise at 50 years. Between 50 and 90 there were 167 deaths, or 79

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per cent. of the total. There was only one death recorded under one year and only one between 3 and 4.

Diarrhoea and Enteritis Under Five Years.-Fourteen hundred and forty-nine deaths: July 323, August 475, September 275, October 140, total 1,213, or 83 per cent. of grand total. These are, therefore, the critical months. Chart No. 8 shows the incidence of deaths and months and also compares 1903 with the average for the last four years.

Jan.

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Average deaths per month for four years, 1900-1903.

Deaths per month for the year 1903.

Nine months show less than average.

Three months show an increase over average.

Diarrhoea and Enteritis Over Five Years.-Two hundred and fifty-one deaths, rate 9.9 per 100,000; in the preceding year 237 deaths, rate 9.4. In this age period the critical months are May to October, inclusive, 73.3 per cent. occurring then. As with dysentery, the age period 50 to 90 shows more deaths than 5 to 50.

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