private ownership against the community, or the mass, which possessed no private property. Wealthy men then began to desire to leave their fortunes to their own children and so the marriage system, with theoretical monogamy for both sexes and practical monogamy for wives, arose. Men of property then felt tolerably certain that their wealth would descend to their own sons and to the sons of no others.
We are not inclined to believe this was due to the prevalence of any so-called paternal instinct. Paternal instinct is, we suspect, a minus, rather than a plus, quantity. It seems to us that fathers more often learn to love their children through following the conduct prescribed by good form and pretending to love them, or through love of display, pride or by association, than through any "natural tendency."
The almost universality of the maternal instinct is proven by the peoples in the
