OF BENZOL UPON YEAST AND BACTERIA. 
75 
equimolecular solutions of phenols and left to stand for 70 hours. 
Afterward traces of the different liquids were inoculated in ste¬ 
rilised peptone solution with the following results :— 
Phenol 
>4 % 
Pyrocatechin 
,468 
Resorcin 
,468 
Hydrochinon 
-L 
er» 
GO 
Pyrogallol 
»536 
Phloroglucin 
.536 
no development. 
a 
development, 
no development, 
development. 
> 1 
We observe here, therefore, an exception to the rule, the 
higher hydroxylated benzols are in the case of the lower fungi 
less poisonous than phenol itself. Further experiments must be 
made to bring out a scientific explanation of this exceptional 
behavior. 
