[6] For the Norfolk sheep, see Marshall’s ‘Rural Economy of Norfolk,’ vol. ii. p. 136. See Rev. L. Landt’s ‘Description of Faroe,’ p. 66. For the ancon sheep, see ‘Phil. Transact.,’ 1813, p. 90.

[7] White’s ‘Nat. Hist. of Selbourne,’ edited by Bennett, p. 39. With respect to the origin of the dark-coloured deer, see ‘Some Account of English Deer Parks,’ by E. P. Shirley, Esq.

[8] ‘The Dovecote,’ by the Rev. E. S. Dixon, p. 155; Bechstein, ‘Naturgesch. Deutschlands,’ b. iv., 1795, s. 17.

[9] ‘Cattle,’ p. 202.

[10] Mr. J. Wilkinson, in ‘Remarks addressed to Sir J. Sebright,’ 1820, p. 38.

[11] ‘Bastarderzeugung,’ s. 87, 169. See also the Table at the end of volume.

[12] ‘Bastarderzeugung,’ s. 87, 577.

[13] ‘Bot. Zeitung,’ 1868, p. 327.

[14] Mr. Shirreff formerly thought (‘Gard. Chron.,’ 1858, p. 771) that the offspring from a cross between certain varieties of wheat became sterile in the fourth generation; but he now admits (‘Improvement of the Cereals,’ 1873) that this was an error.

[15] ‘Kenntniss der Befruchtung,’ s. 137; ‘Bastarderzeugung,’ s. 92, 181. On raising the two varieties from seed, see s. 307.