[51] Marshall, l.c. p. 174.
[52] Cf. Stout, Manual of Psychology, pp. 236-239.
[53] Cf. Spencer, Principles of Psychology, i. p. 273.
[54] Hamilton, Lectures, ii. p. 478; cf. also Bouillier, Du plaisir et de la douleur, pp. 52-62.
[55] Marshall, Pain, Pleasure, and Æsthetics, p. 213; cf. Dr. Stout’s keen criticism of this explanation, Analytic Psychology, ii. pp. 294, 295.
[56] Féré, The Pathology of Emotions, pp. 275, 276; Lombroso, The Man of Genius, pp. 151, 152; Ribot, The Psychology of the Emotions, p. 46 (“Observations on the beneficial effects created on melancholic patients by physical pain”).
[57] Goncourt, Journal des, ii. p. 250.
[58] Cf. Fechner, Vorschule der Aesthetik, ii. p. 265; cf. also Marshall, Pain, Pleasure, and Æsthetics, p. 187.
[59] Bain, The Emotions and the Will, pp. 5, 6; cf. also The Senses and the Intellect, p. 290; Ribot, The Psychology of the Emotions, pp. 97, 112; Féré, The Pathology of Emotions, p. 44; Paulhan, Les phénomènes affectifs, p. 37; Godfernaux, Le sentiment et la pensée, p. 66.
[60] Stout, Manual of Psychology, p. 296.