- 199 — 



Ot this quantity Q.6 represent albunioses nitrogen and 8.7 

 represent peptones and amino -acids nitrogen. 



Simon ') has foiind that, after 72 hours autolysis of calf 

 brain at 38" - 40^, 18.86 per cent of the total nitrogen of the 

 brain are solubihzed. 



F e r m e n t s s p 1 i 1 1 i n g up t li e p h o s p li a t i d e s . 



The analysis of the phosphorus content show an increase of 

 phosphorus in the filtrate of the main research. I shall give in 

 table V the data obtained in each experiment regarding the phos- 

 phorus content both in filtrate A and C. 



TABLE V. 



') loc. cit. 



