[13] ‘Journal of Voyages and Travels from 1821 to 1829,’ vol. i. p. 300.
[14] Rev. G. Low ‘Fauna Orcadensis,’ p. 10. See also Dr. Hibbert’s account of the pig of the Shetland Islands.
[15] ‘Die Racen des Schweines’ s. 70.
[16] These woodcuts are copied from engravings given in Mr. S. Sidney’s excellent edition of ‘The Pig,’ by Youatt, 1860. See pp. 1, 16, 19.
[17] ‘Schweineschädel’ s. 74, 135.
[18] Nathusius, ‘Die Racen des Schweines,’ s. 71.
[19] ‘Die Racen des Schweines,’ s. 47. ‘Schweineschädel’ s. 104. Compare, also, the figures of the old Irish and the improved Irish breeds in Richardson on ‘The Pig,’ 1847.
[20] Quoted by Isid. Geoffroy, ‘Hist. Nat. Gén.,’ tom. iii. p. 441.
[21] S. Sidney, ‘The Pig,’ p. 61.
[22] ‘Schweineschädel,’ s. 2, 20.