MINING AMONG THE MOORS, BERBERS, AND ARABS.—THE FRENCH CONQUEST.—GEOLOGICAL SURVEYS.—MINERAL WEALTH OF ALGERIA.—A WONDERFUL IRON MINE.—MOKTER-EL HADID.—HOW THE MINE IS WORKED.—VISIT TO A MOUNTAIN OF SALT.—A REMARKABLE FORMATION.—ARTESIAN WELLS IN THE DESERT.—SCENE AT THE OPENING OF ONE.—EFFECTS ON THE PALM-TREE.—A PROPOSED INLAND SEA.—THE SUEZ CANAL AND ITS HISTORY.—HOW IT WAS MADE.—ADVANTAGES TO THE WORLD’S COMMERCE. 118 IX. ADVENTURES OF DIVERS. GOING UNDER WATER.—PEARL DIVING.—COSTUME OF THE DIVERS.—HOW THEY DESCEND.—OBTAINING THE PEARL OYSTERS.—DIVING-BELLS.—HOW THEY ARE MADE.—ADVANTAGES AND DISADVANTAGES.—ADVENTURES IN DIVING-BELLS.—SUBMARINE ARMOR.—ITS CONSTRUCTION AND USE.—A DIVER’S ADVENTURE.—A HORRIBLE SIGHT.—THE DIVER’S STORY.—A PEARL DIVER AND A SHARK.—A NARROW ESCAPE.—STRATEGY IN THE WATER.—PEARL DIVING.—PREPARATORY STEPS TO BE TAKEN.—PREPARING FOR THE SEVERE TASK.—TRAINING THE PAPOOSES IN MEXICO.—A PEARL DIVER AND A SHARK.—HOW TO AVOID SHARKS AND DOG-FISH.—THE WAYS THAT ARE DARK, AND THE TRICKS THAT ARE VAIN. 129 X. RUSSIAN MINES AND MINING. EXTENT OF THE EMPIRE.—ITS MINERAL RESOURCES.—PETER THE GREAT, AND WHAT HE DID.—NIKITE DEMIDOFF.—THE DEMIDOFF ESTATES.—IRON MINES AND A VISIT TO THEM.—WHERE RUSSIA SHEET-IRON IS MADE.—COPPER AND MALACHITE.—A WONDERFUL SIGHT.—STRANGE STORY OF AN EMERALD NECKLACE.—GOLD MINING IN SIBERIA.—HARDSHIPS OF THE MINER.—HOW THEY ARE TREATED.—MODE OF MINING. 145 XI. A DAY IN POMPEII. A VISIT TO POMPEII.—NEAPOLITAN HACKMEN.—AN INTERESTING ADVENTURE.—HOW TO AVOID A QUARREL.—BEGGARS.—BEGGARY AS A FINE ART.—A PICTURESQUE SCENE.—MAKING MACARONI.—TRICKS OF AN OLD ROOSTER.—POMPEII.—ITS HISTORY.—DISCOVERY OF THE BURIED CITY.—A SCENE IN THE STREETS.—AN ANCIENT BAKERY.—HOW THE MILLS WERE TURNED.—INVESTIGATING AN OVEN.—A WONDERFUL DISCOVERY.—PRESENT CONDITION OF THE HOUSES.—ADVERTISING IN OLD TIMES.—POMPEIIAN PERSONALS.—A PICTURE OF THE DESTRUCTION.—OBSCENE OBJECTS IN THE CITY. 157 XII. VESUVIUS AND ITS ERUPTIONS. THE GREAT ERUPTION OF VESUVIUS.—WHAT IT DID.—THREE CITIES WIPED OUT.—LAVA AND ITS CHARACTER.—GOING TO THE MOUNTAIN.—SKIRMISHING WITH GUIDES AND BEGGARS.—ARCHITECTURAL STEEDS.—A HORSE WITH A HAND RAIL AROUND HIM.—COAT-HOOKS TO LET.—A MOTLEY CROWD.—HOW AN AMERICAN WAS MOUNTED.—A NEW MODE OF SPURRING.—THE ROAD FROM RESINA.—BURNING LAVA.—CROSSING THE LAVA BEDS.—CLIMBING ON FOOT.—HAPS AND MISHAPS.—AN ENGLISHMAN’S ACCIDENT.—LIGHTING A CIGAR AT THE CRATER.—SUFFOCATED BY SULPHUR FUMES.—DOWN AMONG THE ASHES.—A LONG FALL AND SLIDE.—IN HERCULANEUM.—UNDERGROUND BENEATH THE CITY.—“LOOK HERE.”—HOW THE CITY WAS DISCOVERED.—THE ERUPTION OF 1872.—HORRIBLE SCENES.—EXTENT OF THE DESTRUCTION. 178 XIII. THE CAVERNS OF NAPLES.