


creases the rapidity with which the bacteria grow, even those — 









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tee ale P rie fe alles 1 ' it he 
98 STORRS AGRICULTURAL EXPERIMENT STATION. +e 
for the reduction of the numbers in fresh milk to 200 to 400, 
per cubic centimeter very decidedly increases its keeping prop- | 
erty. Moreover, the reduction to these small numbers de- 
present not reproducing as fast as those found in ordinary 
milk. Such aseptic precautions keep out of milk the Bact. — 
lactis acidt and materially decrease the rapidity of souring. i. 
7. Great variations appear, in milk which is kept under — 
identical conditions, as to the rapidity of souring, the time of 
curdling, the amount of acid that develops in the milk, and the ‘ 
number of bacteria that are present at the time of curdling. — 
These variations are at present inexplicable. 

