XXVII. THE EARTHQUAKE OF CUTCH, INDIA, IN 1819 257 XXVIII. THE SAN FRANCISCO EARTHQUAKE OF APRIL 18, 1906 262 XXIX. SOME OTHER NOTABLE EARTHQUAKES 269 XXX. SODOM AND GOMORRAH AND THE CITIES OF THE PLAIN 281 XXXI. INSTRUMENTS FOR RECORDING AND MEASURING EARTHQUAKE SHOCKS 290 XXXII. SEAQUAKES 296 XXXIII. THE DISTRIBUTION OF EARTHQUAKES 303 XXXIV. THE CAUSES OF EARTHQUAKES 308 XXXV. EARTHQUAKES OF THE GEOLOGICAL PAST--CATACLYSMS 319 XXXVI. THE KIMBERLY DIAMOND FIELDS AND THEIR VOLCANIC ORIGIN 326 XXXVII. THE FABLED CONTINENT OF ATLANTIS 335 XXXVIII. PLATO'S ACCOUNT OF ATLANTIS 344 XXXIX. NATURE'S WARNING OF COMING EARTHQUAKES 364 FULL PAGE ILLUSTRATIONS PAGE MT. VESUVIUS IN ERUPTION Frontispiece STONES AND LAVA THROWN UPWARDS--ERUPTION OF MOKUAWEOWEO, HAWAII, JULY 4-21, 1899 fac. 36 COTOPAXI 102 THE LAVA FLOW OF THE CRATER OF KILAUEA, HAWAIIAN ISLANDS 184 A SAN FRANCISCO PAVEMENT TORN BY THE EARTHQUAKE 266 ILLUSTRATIONS IN TEXT FIG. PAGE 1. THE SUNDA ISLANDS 3 2. KRAKATOA BEFORE THE ERUPTION 4 3. KRAKATOA AFTER THE ERUPTION 4 4. VOLCANIC DUST AS IT APPEARS UNDER THE MICROSCOPE 19 5. THE HAWAIIAN ISLANDS 27 6. HAWAII 29 7. PANORAMA OF MOKUAWEOWEO 35 8. VIEW OF THE CRATER OF KILAUEA FROM THE VOLCANO HOUSE 35 9. CRATER OF KILAUEA 40 10. SECTIONS OF KILAUEA AT DIFFERENT PERIODS 42 11. ICELAND 47 12. THE MEDITERRANEAN 59 13. THE VOLCANIC DISTRICT AROUND VESUVIUS 60 14. MT. ETNA 77 15. STROMBOLI, VIEWED FROM THE NORTHWEST, APRIL, 1874 79 16. MEXICO AND CENTRAL AMERICA 86 17. SOUTH AMERICA 98 18. THE UNITED STATES 106 19. PANORAMA FROM THE MESA AT THE EDGE OF MT. TAYLOR 110 20. VOLCANIC NECKS, EDGE OF MESA AT MT. TAYLOR 111 21. THE LESSER ANTILLES 118