574 



INFLUENCE OF FOOD PRESERVATIVES ON HEALTH. 



TABLE X. Urine determinations Ratio of preformed sulphates to ethereal sulphates and 

 neutral sulphur Series VI Continued. 



neutral sulph 



[Averages are per man per day.] 

 Summary for niiae men. 



MICROSCOPICAL EXAMINATION OF THE URINE. 



In giving the results of the microscopical examination of the urine 

 (Table XI) the numerals are used to express approximately the fre- 

 quency with which the various bodies named occur and have the fol- 

 lowing significance: None, 0; very few, 1; few, 2; fairly numerous, 3; 

 numerous, 4; extremely numerous, 5. 



The dates given in the table represent the days on which the exami- 

 nations were made, only one sample having been taken for each indi- 



