Note 28 — Chapter XXIV · LAWS OF VARIATION—USE AND DISUSE, ETC.
Reading edition
Livingstone, quoted by Youatt on Sheep, p. 142. Hodgson in ‘Journal of Asiatic Soc. of Bengal,’ vol. xvi. 1847, p. 1006, etc. etc. On the other hand, Dr. Wilckens argues strongly against the belief that the drooping of the ears is the result of disuse: ‘Jahrbuch der deutschen Viehzucht,’ 1866.