[58] 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.
[59] ‘Die Racen des Schweines,’ 1860, s. 48.
[60] See some good remarks on this head by M. de Quatrefages, ‘Unité de l’Espèce Humaine,’ 1861, p. 119.
[61] Verlot, ‘Des Variétés,’ 1865, p. 94.
[62] Mr. Patrick Shirreff, in ‘Gardener’s Chronicle,’ 1858, p. 771.
[63] ‘Pomologie Physiolog.,’ 1830, p. 106.
[64] Youatt on Sheep, p. 521.
[65] See also Stonehenge, ‘British Rural Sports,’ edition of 1871, p. 384.
[66] ‘A Treatise on the Almond Tumbler,’ p. 1.
[67] M. J. de Jonghe, in ‘Gardener’s Chronicle,’ 1858, p. 173.