Potato-flour is the waste of potato after the starch and alcohol have been extracted; it has no more food value than so much wood, and as its use as a food adulterant is a penal offence in Europe, thousands of tons of it are shipped to America every year. It was amazing what quantities of food such as this were needed every day, by eleven hungry persons. A dollar sixty-five a day was simply not enough to feed them, and there was no use trying; and so each week they made an inroad upon the pitiful little bank-account that Ona had begun. Because the account was in her name, it was possible for her to keep this a secret from her husband, and to keep the heartsickness of it for her own.