Purveyors of bad milk decline to clean up their dairies until the outbreak of some disease which they have been distributing by the can brings down the authorities upon them. Could the general public but know how often minor accesses of scarlet fever, diphtheria, and typhoid follow the lines of a specific milk route, there would be a tremendous and universal impetus to the needed work of milk inspection. In this respect the country is the enemy of the city: the country, which, with its own overwhelming natural advantages, distributes and radiates what disease it does foster among its urban neighbors, by sheer ignorance or sheer obstinate resistance to the "new-fangled notions of science." Such men as the late Colonel Waring of New York, Dr. Fulton of Baltimore, and Dr. Wende of Buffalo have repeatedly pointed out the debt of death and suffering which the city, often well organized against infections, owes to the unorganized and uncaring rural districts. Reciprocity in health matters can be represented, numerically, by the figure zero. It occasionally happens that the conflict between private and public interests assumes an obviously amusing phase. The present admirable Food and Drug Department of the Indiana board was not established without considerable opposition. One of the chief objectors was a member of the legislature, who made loud lamentation regarding the expense. Up rose another legislator, all primed for the fight, and asked if the objector would answer a few questions. The objector consented. "Do you know the W---- baking-powder?" "Yes." "Do you know that it would naturally come to the food laboratory for analysis, were such a laboratory established?" "I suppose it might." "Do you know that the W---- baking-powder is 20 per cent. clay?" "No." "Would it surprise you to learn that it contained a high percentage of clay?" No answer. "Are you counsel for the W---- Baking Powder Co.?" "Yes." "That's all." It was enough. The bill passed. Everybody's health is nobody's business. There, as I see it, is the bane of the whole situation at present. To be sure, epidemics occasionally wake us up. And, really, an epidemic is a fine thing for a city to have. It is the only scourge that drives us busy Americans to progress. It took an epidemic of typhoid, a shameful and dreadful one, to teach Ithaca that it must not drink filth. Only after Scranton faced a thousand cases of the fever did it assert itself and demand protection for its water supply. New Orleans would probably be having (and concealing) yellow fever yet, but for the paralysis of fright which the onset of three years ago caused. Boston's fine system of medical inspection in the schools is the outcome of a diphtheria scare. Smallpox is a splendid stimulator of vaccination; so much so that some of the country's leading sanitarians now advocate the abolition of pest-houses for this avoidable ailment, and dependence upon the vaccine virus alone.