For Orlando’s instructions to Zerbino, see XXIII. 98–9. ll. 7–8. The knight is Odorico; the two cavaliers are Corebo and Almonio. For Odorico’s betrayal of Isabella, see XIII. 20–29.

18. l. 5. The markings on his shield. For Zerbino’s royal bearings, see X. 83–4 and Note.

19. l. 2. where the humble clasp the great. Round the knees.

26.l. 1 . The king mentioned here is Alfonso, who occurs in Boiardo’s Orlando Innamorato (11. XXIII. 6), where he is shown to be a Christian.

a free field. Where jousting is allowed without indemnity.

35. l. 7. the hag. Gabrina. For Mandricardo’s unbridling of her horse, see XXIII. 92–5.

39.l. 8. cf. stanza 91,11. 5–7.

44–5.