The Variation of Animals and Plants under DomesticationNote 16 — Chapter XXIV · LAWS OF VARIATION—USE AND DISUSE, ETC.Reading editionIbid., vol. ii. p. 269. Sachs, ‘Text-book of Botany,’ 1875, p. 734.◇Copy noteReturn to CHAPTER XXIV. LAWS OF VARIATION—USE AND DISUSE, ETC.