INTRODUCTORY.

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more than half her terrestrial life, and which, in their ebb and flow, sway every fibre and thrill every nerve of her body a dozen times a year, and the occasional pregnancies which test her material resources, and cradle the race, are, or are evidently intended to be, fountains of power, not hinderances, to her. They are not infrequently spoken of by women themselves with lialf-smothered anathemas; often endured only as a necessary evil and sign of inferiority; and commonly ignored, till some steadily-advancing malady whips the recalcitrant sufferer into acknowl­edgment of their power, and respect for their function. All this is a sad mistake. It is a foolish and criminal delicacy that has persuaded woman to be so ashamed of the temple God built for her as to neglect one of its most important services. On account of this neglect, each succeeding generation, obedient to the law of hereditary transmis­sion, has become feebler than its predecessor. Our great-grandmothers are pointed at as types of female physical excellence; their