— 107 — 

 TABLE III. 



3 



4 



5 



6 



7 



8 



9 



10 



11 



12 



13 



.£ , c. c. "io HCl neu- 



■a "5 o tralizing NH^j resul- 



■c = ^ ting from 20 e. e. of 



e-.E <^ 



Hours 



Average 



96 



3.9 



3.8 



4 



3.8 



3.85 



3.5 



3.3 



3.7 



3.95 



3.3 



3.4 



3.9 



3.7 



3.7 



2.6 



2.55 



2.7 



2.7 



2.5 



2.25 



2.2 



2.5 



2.8 



2.15 



2.15 



2.5 



2.55 



Excess of 



e. e. n/jo 



HCl 

 employed 

 for 20 e. e. 



I of 

 I A 



2.5 



1.3 



1.25 



1.7 



1.1 



1.35 



1.25 



1.1 



1.2 



1.15 



1.15 



1.25 



1.4 



1.15 



grms. N, corre- J p „„^^ ^c 

 ^ ,■ 1,1 j hxcess or 



sponding to 1 kg 

 brain, in filtrate 



1.2 



2.73 

 2.66 

 2.80 

 2.66 

 2.69 

 2.45 

 2.31 

 2.59 

 2.76 

 2.31 

 2.38 

 2.73 

 2.59 



2.59 



1.82 

 1.78 

 1.89 

 ■1.89 

 1.75 

 1.57 

 1.50 

 1.75 

 1.96 

 1.50 

 1 50 

 1.75 

 1.78 



N 

 in filtrate 



A- 



.72 



0.91 

 0.88 

 0.91 

 0.77 

 0.94 

 0.88 

 0.81 

 0.84 

 0.80 

 0.81 

 0.88 

 0.98 

 0.81 



0.86 



How much of the total nitrogen of the brain is soluble in 

 the control research and how much has beconie soluble in the 

 main research through the action of the ferrrients ? 



In table IV are summarized the data obtained in expcriments 

 1-5, regarding the nitrogen content both in the fresh brain and 

 in the filtrates A and C. 



