[517] Youatt on Sheep, p. 315.
[518] 'Ueber Shorthorn Rindvieh,' 1857, s. 51.
[519] Low, 'Domesticated Animals,' 1845, p. 363.
[520] 'Quarterly Review,' 1849, p. 392.
[521] H. von Nathusius, 'Vorstudien ... Schweineschædel,' 1864, s. 140.
[522] See also Dr. Christ, in 'Rütimeyer's Pfahlbauten,' 1861, s. 226.
[523] The passage is given 'Bull. Soc. d'Acclimat.,' 1858, p. 11.
[524] 'Journal of Horticulture,' 1862, p. 394.
[525] 'Gardener's Chronicle,' 1857, p. 85.
[526] See Mr. Wildman's address to the Floricult. Soc., in 'Gardener's Chronicle,' 1843, p. 86.