146 



PHYSIOLOGY 



It will be seen from examination of the average results that the 

 percentage composition of rat urine differs but little from that 

 of human urine. 



TABLE 100 



Nitrogen exchange in normal albino rats. Diet of bread and milk 

 Cramer and Pringle ('10) 



TABLE 101 



The protein metabolism in normal young rats. 



and Morris ('13) 



Analyses of urine. Ordway 



TABLE 102 

 Female rat weighing 290 grams. Average of 5 days 



