The Variation of Animals and Plants under DomesticationNote 72 — Chapter XVIII · ON THE ADVANTAGES AND DISADVANTAGES OF CHANGED CONDITIONS OF LIFE: STERILITY FROM VARIOUS CAUSES.Reading editionJ. Mills, ‘Treatise on Cattle,’ 1776, p. 72.◇Copy noteReturn to CHAPTER XVIII. ON THE ADVANTAGES AND DISADVANTAGES OF CHANGED CONDITIONS OF LIFE: STERILITY FROM VARIOUS CAUSES.