306 



CHARLES HERRMAN 



The mortality from tuberculosis has been reduced in all large cities, and 

 the reduction began even before the isolation of the tubercle bacillus in 



Chart 6. Percentage of Deaths Which were Due to Pulmonary Tuberculosis, 

 New York City, 1804 to 1853 



I6t0 1850 1660 1870 1880 1890 1900 1910 1910 l?ii fji¥ 1916 



Chart 7. Mortality from All Forms of Tuberculosis and from Pulmonary 

 Tuberculosis, per 100,000 Population, England, 1838 to 1926 



1882 (chart 6, 7 and 8). Undoubtedly a large part of this reduction has 

 been due to preventive measures and improved hygiene, greater care in the 



