[391]. De Rosnel, “Le Mercure Indien,” Paris, 1672, Pt. III, pp. 17, 18.
[392]. Rice Vaughan, “A Discourse of Coin and Coinage,” London, 1675, p. 241.
[393]. David Jeffries, “A Treatise on Diamonds and Pearls,” London, 1751, pp. 128–141.
[394]. “Encyclopédie de Diderot et d’Alembert,” Neuchâtel and Paris, 1774, Vol. XII, p. 385.
[395]. Pio Naldi, “Delle Gemme e delle Regole per Valutarle,” Bologna, 1791, p. 207.
[396]. Emanuel, “Diamonds and Precious Stones,” London, 1867, p. 197.
[397]. “L’Encyclopédie ou Dictionnaire Raisonné des Sciences,” Neuchâtel and Paris, 1774, Vol. XII, p. 385.
[398]. “Delle Gemme,” etc., 1791.
[399]. See “Report to the Government of Ceylon on the Pearl Oyster Fisheries of the Gulf of Manaar,” by W. A. Herdman, F.R.S., Pt. V, London, 1906, pp. 34–36.
[400]. See pp. 124–127.