The Variation of Animals and Plants under DomesticationNote 92 — Chapter XVIII · ON THE ADVANTAGES AND DISADVANTAGES OF CHANGED CONDITIONS OF LIFE: STERILITY FROM VARIOUS CAUSES.Reading editionVerlot, ‘Des Variétés,’ 1865, p. 80.◇Copy noteReturn to CHAPTER XVIII. ON THE ADVANTAGES AND DISADVANTAGES OF CHANGED CONDITIONS OF LIFE: STERILITY FROM VARIOUS CAUSES.