444 



R. H. A. PLTMMER AND W. M. BAYLISK 



(5) 40 grs. caseinogen in 2000 c.c. water 



+ 20 c.c. * NaOH. 130 c.c. 2/ filtered 



trypsiu. 



(6) 50 grs. caseinogen suspended in 1000 c.c. 



water. 4 grs. dry trypsin added and well 



shaken. 



Total 52-6 



as shown by Hedin (9) and corresponds in its early stages to the electrical 

 conductivity curve as obtained by one of us (1) . 



is; let' 



In two Experiments, 3 and 4, the electrical conductivity was deter- 

 mined and at the same time the soluble P 2 O 6 was estimated. The 

 curves were found to be nearly parallel up to the period of 7 to 8 hours, 

 the conductivity curve then continued to rise more steeply than the 



