Page 255: “gobular forms of crystallization” changed to “globular forms of crystallization” Page 281: “as it their price” changed to “as if their price” Page 298: “Kasan was subjugated” changed to “Kazan was subjugated” Page 343: “State of Gautemala” changed to “State of Guatemala” Page 410: “a single speciimen” changed to “a single specimen” In the Index, “Runjeet Sing” changed to “Runjeet Singh” and the page numbers for the turquoise references have been corrected.