154 



TIME 



gave the value of 0-103 for A. One single case for sixty: 

 ^=008; and only one case also for ten years of age: ^=0-4. 

 These values are therefore very doubtful. Fig. 27 expresses 

 these results. 



^ 



i\ 



•VI 



10 ZO 30 UO 50 60 70 80 



FIG. 27. COEFFICIENT *A' AS A FUNCTION OF THE AGE OF THE 



PATIENT 



What do these figures mean? It is extremely simple. 

 These values of constant A signify that, if a child of ten will 

 cicatrize a wound of 20 sq. cm. in twenty days (I purposely 

 take an arbitrary round number), a man of twenty wUl cicatrize 

 a wound of the same dimension in thirty-one days (20 is in the 



