[37] Op. cit., p. 5.

[38] ‘Insanity,’ p. 442.

[39] ‘Brit. Med. Journ.,’ 1889, ii, 1272; 1890, ii, 447.

[40] ‘Trans. Odontological Soc.,’ 1872, vol. iv.

[41] ‘On Oral Deformities.’

[42] For this chapter I am indebted to the pen of my colleague, Mr. Carless.

[43] Sudduth, in ‘American System of Dentistry,’ vol. i, p. 648.

[44] Galen, ‘De Usu Partium,’ lib. ix, cap. 20; and ‘De Ossium Naturâ,’ cap. 3, p. 14.

[45] Nesbitt, ‘Human Osteogeny,’ London, 1736, pp. 90, 91.

[46] Goethe, ‘Sammtliche Werke,’ in 36 vols., Cotta, 1868; vol. xxxii, p. 159.