Abstract
The above experiment concerns the milk from only one lactant with a healthy growing infant. The experiment should be extented to more lactants, I admit, but it is very difficult to repeat such a systemmatic experiment with more lactants. From my experiment the following can be stated:_??_
1. A sample of fresh human milk with such an intensity as _??_*1', _??_** 1'or _??_ *** 2'of Arakawa's reaction will keep the same or almost the same intensity as long as 8 hours, even if left to itself in summer time. Samples of human milk with weaker Arakawa's reactions will begin to show a change of the intensity of reaction from the 5th hour on.
2. If a sample of fresh human milk is kept in an ice box, it will show the same intensity of Arakawa's reaction, even if tested as late as 8 hours after obtaining.
