34 



TUBERCULOSIS, HEREDITY 



data, 19-20 years ; and in the case of the German, 

 4-5 years. 



The number of actual and expected deaths for each 

 year of experience were ascertained and summed, and 

 the general conclusions are given in the accompanying 

 table : 



TABLE XIII. DEATHS AFTER TREATMENT. 



PHTHISICAL CASES. 



Elderton. 



* Not exactly comparable with each other or with sanatoria data, but suffi- 

 cient to show that there is no great improvement due to change of treatment. 



