Note 65 — Chapter XVIII · ON THE ADVANTAGES AND DISADVANTAGES OF CHANGED CONDITIONS OF LIFE: STERILITY FROM VARIOUS CAUSES.
Reading edition
Yarrell’s ‘British Birds,’ vol. i. p. 506; Bechstein ‘Stubenvögel,’ s. 185; ‘Philosoph. Transact.,’ 1772, p. 271. Bronn (‘Geschichte der Natur,’ Band ii. s. 96) has collected a number of cases. For the case of the deer, see ‘Penny Cyclop.,’ vol. viii. p. 350.