578 



INFLUENCE OF FOOD PEESEEVATIVES ON HEALTH. 



not possible therefore on the basis of the data submitted to infer more 

 than that there is apparently a tendency on the part of the preserva- 

 tive to increase the number of these microscopic bodies appearing in 

 the urine, about in the proportion indicated by the general summary, 

 which shows a relative abundance of 68.3 for the fore period, 78.3 for 

 the preservative period, and 79.4 for the after period. 



TABLE XI. Microscopical examination of the urine, Series VI. 



[None, 0; very few, 1; few, 2; fairly numerous, 3; numerous, 4; extremely numerous, 5.] 



URIC-ACID CRYSTALS. 



URATES. 



CALCIUM OXALATE CRYSTALS. 



