TRANSACTIONS OF SECTION I. 



719 



of normal individuals, living in their ordinary way and performing their normal 

 avocations. The subjects of the experiments were seven workers in the laboratory 

 of University College. The total nitrogen and uric acid were determined in 

 twenty-four-hour urines over a period of six days. The results are given in the 

 following table : — 



* P. 1 is incorrect, since all of the urine was not collected on that day. All the first- 

 day values are somewhat high, owing to a heavy meal being taken before the beginning 

 of the experiment. 



