Note 32 — Chapter XXIV · LAWS OF VARIATION—USE AND DISUSE, ETC.
Reading edition
For the foregoing statements, see Hunter’s ‘Essays and Observations,’ 1861, vol. ii. p. 329; Dr. Edmondston, as quoted in Macgillivray’s ‘British Birds,’ vol. v. p. 550: Menetries, as quoted in Bronn’s ‘Geschichte der Natur,’ B. ii. s. 110.