MILK AND ITS HYGIENIC RELATIONS 

 Weeks 



Grammes (254.5678 9 10 II 12 &14I5I6I7I8 8202! 22232425262728 

 10000 



9000 



(After Czerny-Keller) 



DIAGRAM 3. The numerals I and II placed against the curves correspond 

 respectively to those below. These latter show the grammes of milk 

 taken each day by each of the two children. 



