[197] 'Internat. Hort. and Bot. Congress of London,' 1866.
[198] 'Bastarderzeugung,' s. 307. Kölreuter ('Dritte Fortsetszung,' s. 34, 39), however, obtained intermediate tints from similar crosses in the genus Verbascum. With respect to the turnips, see Herbert's 'Amaryllidaceæ,' 1837, p. 370.
[199] 'Nouvelles Archives du Muséum,' tom. i. p. 100.
[200] Richardson, 'Pigs,' 1847, pp. 37, 42; S. Sidney's edition of 'Youatt on the Pig,' 1860, p. 3.
[201] See Mr. W. C. Spooner's excellent paper on Cross-Breeding, 'Journal Royal Agricult. Soc.,' vol. xx., part ii.: see also an equally good article by Mr. Ch. Howard, in 'Gardener's Chronicle,' 1860, p. 320.
[202] 'Gardener's Chronicle,' 1857, pp. 649, 652.
[203] 'Bulletin de la Soc. d'Acclimat.,' 1862, tom. ix. p. 463. See also, for other cases, MM. Moll and Gayot, 'Du Bœuf,' 1860, p. xxxii.
[204] 'Poultry Chronicle,' vol. ii., 1854, p. 36.
[205] 'The Poultry Book,' by W. B. Tegetmeier, 1866, p. 58.
[206] 'Gardener's Chronicle,' 1852, p. 765.