Note 69 — Chapter XVIII · ON THE ADVANTAGES AND DISADVANTAGES OF CHANGED CONDITIONS OF LIFE: STERILITY FROM VARIOUS CAUSES.
Reading edition
For analogous cases with the fowl, see Réaumur, ‘L’Art de faire Eclore,’ etc., 1749, p. 243; and Col. Sykes, in ‘Proc. Zoolog. Soc.,’ 1832, etc. With respect to the fowl not breeding in northern regions, see Latham’s ‘Hist. of Birds,’ vol. viii., 1823, p. 169.