p. 199, 'Khorassan' amended to _Khorasan_: '... province of Khorasan in Persia ...'; p. 227, 'caboch' amended to _caboche_; p. 258, 'uniomargarifer' amended to _Unio margaritifera_; p. 298, 'mechandise' amended to _merchandise_: '... tax on imported merchandise ...'; p. 301, 'Emanual' amended to _Emanuel_: '... _Diamonds and Precious Stones_, by Harry Emanuel ...'; p. 301, 'Hatten' amended to _Hotten_: '... John Camden Hotten ...'; p. 308, 'Streetor' amended to _Streeter_: '_Precious Stones and Gems_ by Edwin W. Streeter ...'; p. 314, 'Epidot' amended to _Epidote_.