Changed "Oryguia" to "Orguia" on page 617.
Changed the reference for Annaberg on page 619 from "XXI" to "XXXI."
Changed "Ceragurite" to "Cerargurite" in its index entry on page 620.
Changed "Fibræ" to "Fibrae" (ae-ligature) in its index entry on page 622.
Changed the reference for Glass on page 623 from "534-592" to "584-592."
Changed two references for Magnes on page 625 from "584" to "585."
Changed the reference for Nuremberg, Scale of Weights on page 626 from "264" to "263."
Changed "Pickscheifer" to "Pickschiefer" in its index entry on page 626.
Changed the reference for Proustite on page 626, and the references for Pyrargyrite, for Ruby Silver, for Silver, for Silver Glance and for Silver Ores on page 627, from "109" to "108."
Changed the reference for Quicksilver on page 626 from "111" to "110."