Canto XXVII. Guido da Montefeltro. His deception by Pope Boniface VIII.

Canto XXVIII. The Ninth Bolgia: Schismatics. Mahomet and Ali. Pier da Medicina, Curio, Mosca, and Bertrand de Born.

Canto XXIX. Geri del Bello. The Tenth Bolgia: Alchemists. Griffolino d’ Arezzo and Capocchino.

Canto XXX. Other Falsifiers or Forgers. Gianni Schicchi, Myrrha, Adam of Brescia, Potiphar’s Wife, and Sinon of Troy.