[146] “Le grand lapidaire de Jean de Mandeville,” from the ed. of 1561, ed. by J. S. del Sotto, Vienne, 1862, p. 8.

[147] Taw Sein Ko, communication from his “Burmese Necromancy.”

[148] Pitra, “Specilegium Solesmense,” Parisiis, 1855, vol. iii, p. 328.

[149] Epiphanii, “De XII gemmis,” Tiguri, 1565, fol. 6.

[150] Marbodei, “De lapidibus,” Friburgi, 1531, fols. 46, 47.

[151] Bartolomæi Anglici, “De proprietatibus rerum,” London, Wynkyn de Worde, 1495, lib. xvi, cap. 86, De Saphiro.

[152] Old English for spider.

[153] Bartolomæus Anglicus, l. c.

[154] The subject of the origin, development and reform of the carat-weight has been fully treated by the author in the Trans. of the Soc. of Min. Engineers, 1913, pp. 1225-1245, “The New International Metric Diamond Carat of 200 milligrams.”

[155] Marbodei, “De lapidibus,” Friburgi, 1531, fol. 50, note of Pictor Villengensis.