1 Lucretius, IV, 1035–6.

2 Pliny, XI, xlv.

3 Ovid, Metamorphoses, IX, 795ff.

4 H. C. Agrippa, De occulta philosophia, I, 1xiv.

5 St Augustine, City of God, XIV, xxiv.

6 Herodotus, II, clxxxi.

7 Cf. Plutarch (tr. Amyot), Preceptes de mariage, VIII.

8 St Augustine, City of God, XIV, xxiv.

9 Ovid, De remedio amoris, 615–16.

10 Pliny, VII, ii, and IX, x.

11 Virgil, Eclogue, III, 103.