01 02 03 04 05 06 07 08 «09 10 11 12 13 14 15 16 17 18 19 ^0 



Fig. 147. 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 10,000 of population in Xew York City; the 

 figures at the bottom are for the years. The general death rate is on a scale show- 

 ing the deaths per 1000 for each year. The high point for pneumonias in 19 18 rep- 

 resents the influenza epidemic 



