II.

DISCOVERY OF COAL.

SAVAGE THEORIES ABOUT COAL.—EXPERIENCE OF A SIBERIAN EXPLORING PARTY.—BURNING BLACK STONES.—MINERAL FUEL AMONG THE ANCIENTS.—THEIR MOTIVE POWER.—CHINESE TRADITIONS.—CHINESE GAS WELLS.—HISTORY OF COAL IN ENGLAND.—A ROYAL EDICT.—CURIOUS STORY OF THE MINER OF PLENEVAUX.—EXTENT OF COAL FIELDS THROUGHOUT THE GLOBE.—THE QUAKER AND THE YANKEE PEDLER.—THE FIRST ANTHRACITE.—BELLINGHAM BAY AND THE CHINOOKS.—HOW COAL WAS FORMED.—INTERVIEWING A REPTILE.—THEORIES OF THE ANCIENTS.—RIVERS OF OIL OF VITRIOL.—ANCIENT AND MODERN FIRE WORSHIPPERS. 37