We have several times referred to the growing importance of the economic aspects of milk production and distribution. The cost of milk to the consumer is so intimately bound up with public health interests. that it has long been impossible to separate sharply economic and sanitary issues. Under the pressure of war conditions, this relation is becoming closer than ever.
New York investigators have found that in October of this year a definite decrease in milk consumption in that city could be noted. In 2,200 families visited, the daily amount of milk produced had fallen to 3,193 quarts, as compared with 4,797 quarts in the previous year. Coincident with the decrease in amount of milk purchased, there was a shifting from the better grades of milk to the cheaper, 266 families abandoning Grade A milk for Grade B, and sixty-seven changing from Grade B to Grade C. Dipped milk also