[153] Vettori, p. 56 sq., and Castelvetro, Poetica, p. 117 sq.
[154] Maggi, p. 97 sq.
[155] Cf. Shelley, Defence of Poetry, p. 35, "Tragedy delights by affording a shadow of that pleasure which exists in pain," etc.
[156] Lezzioni, p. 660.
[157] Scaliger, Poet. vii. i. 3; iii. 96.
[158] Arte Poetica, p. 287.
[159] Arte Poetica, p. 77.
[160] Butcher, pp. 229, 230.
[161] Opere, v. 178.
[162] Butcher, p. 280 sq.