JOHN S. FIJI/TON, M. D. 



131 



causes had their origin in antenatal existence, and whose preserva- 

 n alive -if it were possible is undesirable. The ratio of pre- 

 ventabihty in this group is very small indeed, after the birthday; 

 though a rational prophylaxis applied weeks or months earlier 

 might mitigate the slaughter. 



GROUP A. THE UNFIT 



Premature birth 16 441 



Congenital debility ' 15*833 



Injuries at birth 3*110 



Malformations 6*525 



Hereditary syphilis 1*321 



Total, 



43,230 



In the accompanying chart one sees a degree of steepness which 

 is not found in any other chart. The English mortality of 1907 

 permits distinctions of age by days, showing the gross imper- 

 fection of the straight line, which, in the American chart, re- 

 presents the first year's mortality. 



