Note 11 — Chapter XVII · ON THE GOOD EFFECTS OF CROSSING, AND ON THE EVIL EFFECTS OF CLOSE INTERBREEDING.
Reading edition
For the case of the Messrs. Brown, see ‘Gardener’s Chronicle,’ 1855, p. 26. For the Foscote flock, ‘Gardener’s Chronicle,’ 1860, p. 416. For the Naz flock, ‘Bull. de la Soc. d’Acclimat.,’ 1860, p. 477.