CONTENTS. 



PAGB 



STRANGE DISCOVERIES RESPECTING THE AURORA, ... 7 

 THE EARTH A MAGNET, ..... 28 



OUR CHIEF TIMEPIECE LOSING TIME, . . . .45 



ENCKE, THE ASTRONOMER, ..... 62 



VENUS ON THE SUN'S FACE, . . . . .66 



RECENT SOLAR RESEARCHES, . . . . . 91 



GOVERNMENT AID TO SCIENCE, . . . . .98 



AMERICAN ALMS FOR BRITISH SCIENCE, . . . 102 



THE SECRET OF THE NORTH POLE, ..... 109 



Is THE GULF STREAM A MYTH? . . . . 129 



FLOODS IN SWITZERLAND, . . . . .150 



A GREAT TIDAL WAVE, . . . . .155 



DEEP-SEA DREDGINGS, . . . . . .160 



THE TUNNEL THROUGH MONT CENIS, . . . . 166 



TORNADOES, . . . . . . . .171 



VESUVIUS, . . . . . . , 186 



THE EARTHQUAKE IN PERU, ..... 209 



THE GREATEST SEA-WAVE EVER KNOWN, . . . 216 



THE USEFULNESS OP EARTHQUAKES, .... 233 



