Diagram showing the death-rates from small-pox per 10,000 of population, during the year 1922-23, the average rate of mortality from small-pox per 10,000 of population
for the five years ending 1921-22, and the proportion of successful vaccinations during the year 1922-23, and the preceding six years

in each district of the North-West Frontier Province.

[NLS note: a graphic appears here - see image of page]