Note 42 — Chapter V · CONCLUSION.
Reading edition
9º Selective influence of slavery. Ferrero’s theory: slavery has greatly furthered the survival of the industrious type of man42. Ripley, speaking of colonial slavery, remarks: “Such an institution exercises a selective choice upon the negro; for the survivors of such severe treatment will generally be a picked lot, which ought to exhibit vitality to a marked degree, all the weaklings having been removed”43. High death-rate among slaves, even in primitive culture44.