[431]. Duruy, “Hist. des Romains,” Vol. I, p. 511.

[432]. Custodian of the coin collection of the Philadelphia Mint.

[433]. Imperial Museum of Archæology, St. Petersburg, Russia.

[434]. “Della Storia Naturale delle Gemme delle Pietre e di tutti i Minerali,” Giacinto Gimma, Naples, 1730.

[435]. Tabari, “Chronique,” translated by Zotenberg, Paris, 1869, Vol. II, p. 304.

[436]. Ibid., Vol. III, p. 417.

[437]. Alexander, “The History of Women,” London, 1782, Vol. II, p. 136.

[438]. “The Book of Ser Marco Polo, the Venetian,” trans. and ed. by Col. Henry Yule, London, 1871, Vol. I, p. 343.

[439]. De Mély, “Les Lapidaires Chinois,” Paris, 1896, p. 178.

[440]. “The Book of Ser Marco Polo, the Venetian,” trans. and ed. by Col. Henry Yule, London, 1871, Vol. II, p. 275.