Solutions of Saponin, Peptone, and Alb 



umm. 



565 



usual way. It was then noticed that many of the stationary 

 values were the same for different solutions. Moreover, the 



Fisr. 2. 



consecutive stationary values appeared to be about 50 units 

 apart. This suggested the idea that these values might all 

 be multiples of some unit value. The stationary values 

 occurring twice were roughly 



750 (B and C) 

 700 (A and C) 

 610 (A and C) 

 420 (A and D). 



