Phosphorus in Urine. 



411 



for the separate periods of the day were readily made. In the series of experi- 

 ments, Nos. 73 to 76, inclusive, these determinations were carried out. The 

 results are presented in table 214. For purposes of comparison, the experi- 

 ments with food are also included. In comparing the results, it should be borne 

 in mind that experiment No. 74 immediately followed experiment No. 73, and 

 experiment No. 76 likewise followed immediately experiment No. 75. 



Table 214. 



-Periodic distribution of phosphorus 1 (as P 2 OJ in urine in metabolism 

 experiments with and without food. 



'Titration method. 



2 Not determined. 



8 Total in composite urine. 



4 For 5 days. 



3 Percentage by 

 8 For 1 day. 

 7 For 2 days. 



difference. 



