PART I
How Many Children are Unfit.
—The necessity for further study of this seemingly hackneyed topic is clear from the statement of Emerson1 that his extended studies have shown that at least one-third of the children in this country are sufficiently underweight for their height to require treatment for malnutrition. In another place, also in 1919, he re-affirmed that from 20 to 40 per cent, of those graduating from elementary schools are physically unfit. By way of definition of the unfit, he urged that "all children habitually 7 per cent, or more underweight for their height are not only undernourished but malnourished, retarded in both weight and height from one to four years."L. B. Gloyne (1920) has reported similar disquieting findings in school children.It occurred to us to compare the weights (and also the height and chest-girth) of a series of private school boys with the