[631]. Aet. v. 19, 5 (Dox. p. 431). Cf. Eth. Eud. Η, 1. 1235 a 11.
[632]. Arist. de Respir. 14. 477 a 32; Theophr. de causis plant. i. 21.
[633]. Nutrition, Aet. v. 27, 1; pleasure and pain, Aet. iv. 9, 15; v. 28, 1; tears and sweat, v. 22, 1.
[634]. That is, watery vapour, not the elemental air or αἰθήρ ([§ 107]). It is identical with the “water” mentioned below. It is unnecessary, therefore, to insert καὶ ὕδωρ after πῦρ with Karsten and Diels.
[635]. Beare, p. 96, n. 1.
[636]. Ibid. p. 133.
[637]. Aet. iv. 17, 2 (Dox. p. 407). Beare, p. 133.
[638]. Beare, pp. 161-3, 180-81.
[639]. Ibid. pp. 95 sqq.
[640]. Ibid. pp. 14 sqq.