The commonest adulterations of milk are not of a hurtful character.

The most fashionable adulteration, and one even openly vaunted as economical and increasing the richness of the beverage, is with the root of the wild endive, or chicory.

It is no more an eccentricity than is proper baking in the place of baking amidst dirt and with unlimited adulteration, or the running of trains to their destinations instead of running them without notice into casually selected sidings and branch lines.