PREFACE TO THE FIFTH EDITION.
PREFACE TO SECOND EDITION.
PREFACE TO FIRST EDITION.
CONTENTS.
STRANGE DISCOVERIES RESPECTING THE AURORA.
THE EARTH A MAGNET.
OUR CHIEF TIME-PIECE LOSING TIME.
ENCKE THE ASTRONOMER.
VENUS ON THE SUN'S FACE.
BRITAIN'S COAL CELLARS.
THE SECRET OF THE NORTH POLE.
IS THE GULF STREAM A MYTH.
FLOODS IN SWITZERLAND.
A GREAT TIDAL WAVE.
DEEP-SEA DREDGINGS.
THE TUNNEL THROUGH MONT CENIS.
TORNADOES.
VESUVIUS.
THE EARTHQUAKE IN PERU.
THE GREATEST SEA-WAVE EVER KNOWN.
THE USEFULNESS OF EARTHQUAKES.
THE FORCING POWER OF RAIN.
A SHOWER OF SNOW-CRYSTALS.
LONG SHOTS.
INFLUENCE OF MARRIAGE ON THE DEATH-RATE.
THE TOPOGRAPHICAL SURVEY OF INDIA.
A SHIP ATTACKED BY A SWORD-FISH.
THE SAFETY-LAMP.
THE DUST WE HAVE TO BREATHE.
PHOTOGRAPHIC GHOSTS.
THE OXFORD AND CAMBRIDGE ROWING STYLES.
BETTING ON HORSE RACES: OR, THE STATE OF THE ODDS.
SQUARING THE CIRCLE.
A NEW THEORY OF ACHILLES' SHIELD.
LIGHT SCIENCE.
LONDON: PRINTED BY SPOTTISWOODE AND CO., NEW-STREET SQUARE AND PARLIAMENT STREET
