Month by month the "curse" hangs over one seventh of a woman's active life. If strung along In sequent days, the flow would carry on for five full years. Yet of the thirty-five years of menstrual periods, the first six or seven and the last eight or ten are times in which pregnancy is little or not all to be desired and chiefly to be apprehended. Therefore, one third of the span of the function is needless fertility, footing up to fifteen years of all but futile vexation. Even with four pregnancies and full nursings, there are still some four hundred periods in which to use ten guards each, or some four thousand nuisances. Any venture looking to mitigation of menstruation merits unbiased analysis. For protection against the four or five days of trickle or gush or stain the requirement has been a roll or pad between the thighs, in