[371]. “Hamlet,” Act V, sc. 2.

[372]. W. J. Lawson, “History of Banking,” London, 1850, pp. 24, 25.

[373]. “The Naturall Historie of C. Plinius Secundus,” Lib. IX, c. 35. This anecdote is mentioned also by Macrobius (Circa 400 A.D.) in “Saturnaliorum conviviorum libri septem,” Lib. II, c. 13.

[374]. See p. 55.

[375]. “The Naturall Historie of C. Plinius Secundus,” Lib. IX, c. 35.

[376]. See the epitaph of Tutichylus “qui fuit margaritarius,” Orelli, 4076.

[377]. Lowis d’A. Jackson, “Modern Metrology,” London, 1881, p. 370.

[378]. Grimm, “Deutsches Wörterbuch,” Leipzig, 1873, Vol. V, p. 205.

[379]. Guillaume, “Les récents progrès du système métrique,” Paris, 1907, pp. 62–66, “La réforme du carat.”

[380]. William Hallock and Herbert T. Wade. “Outlines of the Evolution of Weights and Measures and the Metric System,” New York, 1906, p. 25.