The Arctic Tragedy—American Sailors in the Frozen Deep—The Search for Sir John Franklin—Reasons for Seeking the North Pole—Testimony of Scientists And Explorers—Pertinacity of Polar Voyagers—Dr. Kane and Dr. Hayes—Charles F. Hall, Journalist and Explorer—Miraculous Escape of His Party—The Ill-Fated "Jeannette" Expedition—Suffering and Death of DeLong and His Companions—A Pitiful Diary—The Greely Expedition—Its Careful Plan and Complete Disaster—Rescue of the Greely Survivors—Peary, Wellman, and Baldwin

CHAPTER VII.

The Great Lakes—Their Share in the Maritime Traffic of the United States—The Earliest Recorded Voyagers—Indians and Fur Traders—The Pigmy Canal at the Sault Ste. Marie—Beginning of Navigation by Sails—De La Salle and The "Griffin"—Recollections of Early Lake Seamen—The Lakes as a Highway for Westward Emigration—The First Steamboat—Effect of Mineral Discoveries on Lake Superior—The Ore-Carrying Fleet—The Whalebacks—The Seamen of the Lakes—The Great Canal at the "Soo"—The Channel to Buffalo—Barred Out From the Ocean

CHAPTER VIII.

The Mississippi and Tributary Rivers—The Changing Phases of Their Shipping—River Navigation as a Nation-Building Force—The Value of Small Streams—Work of the Ohio Company—An Early Propeller—The French First on the Mississippi—The Spaniards at New Orleans—Early Methods of Navigation—The Flatboat, the Broadhorn, and the Keelboat—Life of the Rivermen—Pirates and Buccaneers—Lafitte and the Baratarians—The Genesis of the Steamboats—Capricious River—Flush Times in New Orleans—Rapid Multiplication of Steamboats—Recent Figures on River Shipping—Commodore Whipple's Exploit—The Men Who Steered the Steamboats—Their Technical Education—The Ships They Steered—Fires and Explosions—Heroism of the Pilots—The Races

CHAPTER IX.

The New England Fisheries—Their Part in Effecting the Settlement of America—Their Rapid Development—Wide Extent of the Trade—Effort of Lord North to Destroy It—The Fishermen in the Revolution—Efforts to Encourage the Industry—Its Part in Politics and Diplomacy—The Fishing Banks—Types of Boats—Growth of the Fishing Communities—Farmers and Sailors by Turns—The Education of the Fishermen—Methods of Taking Mackerel—The Seine and the Trawl—Scant Profits of the Industry—Perils of the Banks—Some Personal Experiences—The Fog and the Fast Liners—The Tribute of Human Life

CHAPTER X.

The Sailor's Safeguards—Improvements in Marine Architecture—The Mapping of the Seas—The Lighthouse System—Building a Lighthouse—Minot's Ledge and Spectacle Reef—Life in a Lighthouse—Lightships and Other Beacons—The Revenue Marine Service—Its Function as a Safeguard to Sailors—Its Work in the North Pacific—The Life-Saving Service—Its Record for One Year—Its Origin and Development—The Pilots of New York—Their Hardships and Slender Earnings—Jack Ashore—The Sailors' Snug Harbor