The science of the sexes; or, How parents may control the sex of their offspring and stock-raisers control the sex of stock . the meteorological influences acting uponBoston, phthisis is a frequent disease; but those influences in theSouth produce, in the same class of organizations, intermittentfever, enlarged spleens, dropsy, and death. Hence, intermittentfever is just as hereditary in the South, as phthisis is in theNorth. The truth is, it is hereditary in no place; but a mereattendant upon certain forms of organization under prescribedcircumstances. That such an organization is frequently
The science of the sexes; or, How parents may control the sex of their offspring and stock-raisers control the sex of stock . the meteorological influences acting uponBoston, phthisis is a frequent disease; but those influences in theSouth produce, in the same class of organizations, intermittentfever, enlarged spleens, dropsy, and death. Hence, intermittentfever is just as hereditary in the South, as phthisis is in theNorth. The truth is, it is hereditary in no place; but a mereattendant upon certain forms of organization under prescribedcircumstances. That such an organization is frequently hered-itary—an heirloom in some families—I admit; but not moreso than that which is liable to acute rheumatism, chronic rheuma-tism, and a host of other forms of disease. One thing is certain,phthisis occurs about twice as frequently without a consumptiveparentage as with it; and in all such cases, I have no doubt,through violations of the procreative or marriage laws. If theseviews be sound, as I verily believe they are, the preventivesare obvious—obedience to the laws of marriage and propereducational 130 THE SCIENCE OF THE SEXES. CHAPTER IX. MARRIAGE AXD LONGEVITY. IT is generally conceded, by thinkers of bothsexes, that married people live longer—as wellas enjoy life more—than the unmarried. This set-tled conviction is the result of observation, unaidedby the positive figures of statistics. But the latterhas been supplied at Jast by the observations andcomparisons, during a period of nine years, of thenumber of living population of Scotland with thenumber of deaths—made by Dr. James Stark, ofEdinburgh, Corresponding Secretary and PrincipalDirector of the General Register Office in thatcountry. The relative proportion between the death-ratesof the married and of the unmarried is not abso-lutely uniform in different countries, but it is fairlyrepresented by the following table, which exhibitsthe mortality per thousand of married and unmar-ried men in S
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Keywords: ., boo, bookcentury1800, bookdecade1870, booksubjectsex, bookyear1879
