The value of any disinfecting process can be estimated only on the basis of experiments with the known germs of a given disease. The random directions which were more or less vaguely followed before Koch's accurate work, involved not merely an enormous waste of labor and money but gave no guarantee that their object was really obtained, that is to say, that the germs were killed. Since the painstaking researches by Koch and his pupils, work continued in this country by Sternberg, Prudden, and others, we known just how to destroy the germs of a given disease in the cheapest and most efficient manner. It is, therefore, a matter for severe censure if vague and inefficient measures are used by parties whose business it is to know what has been done in this line.
The frequent references of the public press to fumigations with sulphur show that many sins are