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SEX IX EDUCATION.

work, and all forms of mental and physical excitement, germinate a host of ills. Some­times these causes, which pervade more or less the methods of instruction in our public and private schools, which our social customs ig­nore, and to which operatives of all sorts pay little heed, produce an excessive performance of the catamenial function ; and this is equiv­alent to a periodical hemorrhage. Sometimes they produce an insufficient performance of it; and this, by closing an avenue of elimina­tion, poisons the blood, and depraves the or­ganization. The host of ills thus induced are known to physicians and to the sufferers as amenorrhoea, menorrhagia, dysmenorrhcea, hysteria, anemia, chorea, and the like. Some of these fasten themselves on their victim for a lifetime, and some are shaken off. Now and then they lead to an abortion of the function, and consequent sterility. Fortunate is the girls school or college that does not furnish abundant examples of these sad cases. The more completely any such school or college succeeds, while adopting every detail and