42 



INFLUENCE OF FOOD PRESERVATIVES ON HEALTH. 



TABLE V. Boric acid ingested and recovered in urine during Series III. 



TABLE VI. Borax ingested and recovered in urine during Series IV. 

 [Expressed in terms of boric acid.] 



Determinations not made on account of lack of sample, but the probable amount of boric acid 

 voided has been added in order not to interrupt the continuity of the data. 



