38
Class  IV.
Table  ofthe
orders  and
genera.

METALLIC  ORES.
ORDER  I.  Gold  ores.
ORDER  IX.  Nickel  ores.
1.  Alloys.
1.  Sulphurets.
ORDERII.  Platinum  ores.
2.  Oxides.
1.  Alloys.
3.  Salts.
ORDER  III.  Silver  ores.
ORDER  X.  Zinc  ores.
1.  Alloys.
1.  Sulphurets.
2.  Sulphurets.
2.  Oxides.
3.  Oxides.
3.  Salts.
4.  Salts.
ORDER  XI.  Antim.  ores.
ORDERIV.  Ores  of  mer1. ¬
  Alloys.
cury.
2.  Sulphurets.
1.  Alloys.
3.  Oxides.
2.  Sulphurets.
4.  Salts.
3.  Oxides.
ORDER  XII.  Bismuth  ores.
4.  Salts.
1.  Alloys.
ORDERV.  Copper  ores.
2.  Sulphurets.
1.  Alloys.
3.  Oxides.
2.  Sulphurets.
ORDER  XIII.  Tellurium
3.  Oxides.
ores.
4.  Salts.
1.  Alloys.
ORDER  VI.  Iron  ores.
ORDER  XIV.
Arsenic
1.  Alloys.
ores.
2.  Sulphurets.
1.  Alloys.
3.  Carburets.
2.  Sulphurets.
4.  Silicated  iron.
3.  Oxides.
5.  Oxides.
ORDERXV.  Cobalt  ores.
6.  Salts.
1.  Alloys.
ORDER  VII.  Tin  ores.
2.  Sulphurets.
1.  Sulphurets.
3.  Oxides.
2.  Oxides.
4.  Salts.
ORDER  VIII.  Lead  ores.
ORDERXVI.  Manganese
1.  Sulphurets.
ores.
2.  Oxides.
1.  Oxides.
3.  Salts.
2.  Salts.