NON-PROTEIN NITROGEN 



315 



(a) Organs and tissues. Hatai ('17) has determined the total 

 nitrogen as well as the non-protein nitrogen in several organs of the 

 adult albino table 171. 



TABLE 169 



Inorganic constituents in new born rats from normal mothers. Averaje of two 



rats (Toverud '23) 



TABLE 170 

 Giving the distribution of phosphorus in the albino rat (Heymann, '04) 



* Apparently erroneous since the sum of the figures for nuclein, lecithin and 

 phosphate phosphorus is 2.0381 per cent. 



TABLE 171 



Showing the total nitrogen as well as non-protein nitrogen in several organs of the 



adult albino rat 



Calcium in the blood has been determined on three normal 

 adult rats, Toverud ('23), table 172. 



Composition of milk. By carefully collecting the stomach 

 contents immediately after ingestion from albino rats 1-14 days 



