THE TRANSITION FROM SAILS TO STEAM–THE CHANGE IN MARINE ARCHITECTURE–THE DEPOPULATION OF THE OCEAN–CHANGES IN THE SAILOR"S LOT–FROM WOOD TO STEEL–THE INVENTION OF THE STEAMBOAT–THE FATE OF FITCH–FULTON"S LONG STRUGGLES–OPPOSITION OF THE SCIENTISTS–THE 'CLERMONT'–THE STEAMBOAT ON THE OCEAN–ON WESTERN RIVERS–THE TRANSATLANTIC PASSAGE–THE 'SAVANNAH' MAKES THE FIRST CROSSING–ESTABLISHMENT OF BRITISH LINES–EFFORTS OF UNITED STATES SHIP-OWNERS TO COMPETE–THE FAMOUS COLLINS LINE–THE DECADENCE OF OUR MERCHANT MARINE–SIGNS OF ITS REVIVAL–OUR GREAT DOMESTIC SHIPPING INTEREST–AMERICA"S FUTURE ON THE SEA.