[587] 'Ueber Shorthorn Rindvieh,' 1857, s. 51.
[588] 'The Veterinary,' vol. xiii. p. 720. For the Glamorganshire cattle, see Youatt on Cattle, p. 51.
[589] J. M. Eaton, 'A Treatise on Fancy Pigeons,' p. 82; Ferguson, on 'Rare and Prize Poultry,' p. 162; Mr. Brent, in 'Cottage Gardener,' Oct. 1860. p. 13.
[590] 'Die Racen des Schweines,' 1860, s. 48.
[591] See some good remarks on this head by M. de Quatrefages, 'Unité de l'Espèce Humaine,' 1861, p. 119.
[592] Verlot, 'Des Variétés,' 1865, p. 94.
[593] Mr. Patrick Sheriff, in 'Gard. Chronicle,' 1858, p. 771.
[594] 'Pomologie Physiolog.,' 1830, p. 106.
[595] Youatt on Sheep, p. 521.
[596] 'A Treatise on the Almond Tumbler,' p. i.