CHAPTER XXVI.

POPOCATEPETL AND OTHER VOLCANOES OF MEXICO AND CENTRAL AMERICA


CHAPTER XXVII.

THE TERRIBLE ERUPTION OF KRAKATOA


CHAPTER XXVIII.

MONT PELEE AND ITS HARVEST OF DEATH IN 1902


CHAPTER XXIX.

ST. VINCENT ISLAND AND MONT SOUFRIERE IN 1812


CHAPTER XXX.

SUBMARINE VOLCANOES AND THEIR WORK OF ISLAND-BUILDING


CHAPTER XXXI.

MUD VOLCANOES, GEYSERS AND HOT SPRINGS