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THE POPULAR SCIENCE MONTHLY.
a practical recognition of these things that leads to chivalry; and even those artificial courtesies which wear the mark of chivalry are of value, as showing what may be termed a conventional acquiescence in the truth that underlies them. This truth is, that the highest type of manhood can only then be reached when the heart and mind have been so far purified from the dross of a brutal ancestry as genuinely to appreciate, to admire, and to reverence the greatness, the beauty, and the strength which have been made perfect in the weakness of womanhood.
I will now pass on to consider the causes which have probably operated in producing all these mental differences between men and women. We have already seen that differences of the same kind occur throughout the whole mammalian series, and therefore we must begin by looking below the conditions of merely human life for the original causes of these differences in their most general form. Nor have we far to seek. The Darwinian principles of selection both natural and sexual—if ever they have operated in any department of organic nature, must certainly have operated here. Thus, to quote Darwin himself:
Similarly, Mr. Francis Galton writes: