Purchase of mines, Advice as to, [123]
Pyrites as a precipitant of gold, [41], [42], [51-54];
Modern deposition of, [45];
Mode of occurrence of gold in, [46], [47]
Pyritous ore, Mode of treatment of, [80]
Quartz veins, Rosales’s igneous theory of, [34];
objections thereto, [35], [36]
Rainfall, [178]