Chapter 4: “The Evidence of the American Lady” / Chapter 5: “The Evidence of the Swedish Lady” / Chapter 6: “The Evidence of the Russian Princess” / Chapter 7: “The Evidence of Count and Countess Andrenyi” / Chapter 8: “The Evidence of Colonel Arbuthnot” / Chapter 9: “The Evidence of Mr. Hardman” / Chapter 10: “The Evidence of the Italian”