01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 



_§0 



Fig. 202. Mortality rates for various diseases 



In the early part of the period the fluctuations are irregular; in the latter part the 

 infectious diseases show a steady decline. There is a steady decrease in the general 

 death rate, and a steady increase in the death rate from cancer. The figures on the left 

 indicate the number of deaths per io,ooo of population in New York City ; the figures 

 at the bottom are for the years. The general death rate is on a scale showing the 

 deaths per looo for each year. The high point for pneumonias in 19 iS represents 



the influenza epidemic 



