The Variation of Animals and Plants under DomesticationNote 72 — Chapter XVII · ON THE GOOD EFFECTS OF CROSSING, AND ON THE EVIL EFFECTS OF CLOSE INTERBREEDING.Reading edition‘Bastarderzeugung,’ s. 64, 357.◇Copy noteReturn to CHAPTER XVII. ON THE GOOD EFFECTS OF CROSSING, AND ON THE EVIL EFFECTS OF CLOSE INTERBREEDING.