45 
TESTING GERMICIDES— 
Saturate silk threads, 
paper slips, 
glass slips, etc., with 
subtilis spores, 
anthrax spores, 
typhoid bacillus, 
diphtheria bacillus, 
pus cocci, etc. 
Expose to the solutions of germicide in varying dilutions and for varying times at 
constant temperature, and at the same dilution at varying temperatures. 
Wash or neutralize the germicide. 
Plant in bouillon. 
Incubate. 
Report growth upon similar table to antiseptics. 
Test the following upon the above plan — 
A. Bichloride of mercury. 
A. Carbolic acid and cresols. 
C. Lime. 
D. Copper and iron sulphates. 
E. Formalin. 
