142 



VaccinatiuH atid Smullpox 



TABLE XVI 

 Second Groupiiiij. 



/•= -0216 ±-0500. 



Th;it is to say there is a positive bat practically insensible corrclation between 

 Status and power to resist the disease. 



I now included the iiietal worker.s in the liifrlitT statns and fuund with the 

 former groiipings : 



TABLE XVII. 



Thinl firuiijjiiiij. 



/•= 1086 ±-0490. 



TABLE XVIIL 

 Fourtk Grouping. 



r = -1052 ±-0478. 



Thus the con-elation between better statns and recovery is slightly increased. 

 Leaving the inetal workers as before out of consideratiou, I find : 



TABLE XIX. 

 First Grouping without Metal Workm'S. 



