XII. THE SUBMERGENCE OF THE OLD WORLD

XIII. STRANGE FREAKS OF THE NEBULA

XIV. THE ESCAPE OF THE PRESIDENT

XV. PROFESSOR PLUDDER'S DEVICE

XVI. MUTINY IN THE ARK

XVII. THE _JULES VERNE_

XVIII. NAVIGATING OVER DROWNED EUROPE

XIX. TO PARIS UNDER THE SEA

XX. THE ADVENTURES IN COLORADO

XXI. "THE FATHER OF HORROR"

XXII. THE TERRIBLE NUCLEUS ARRIVES

XXIII. ROBBING THE CROWN OF THE WORLD

XXIV. THE FRENCHMAN'S NEW SCHEME

XXV. NEW YORK IN HER OCEAN TOMB

XXVI. NEW AMERICA