| The Caravels of Columbus | [Frontispiece] |
| FACING PAGE |
| An Egyptian Boat of 6000 B. C. | [3] |
| A Large Egyptian Ship of the 18th Dynasty | [5] |
| A Peruvian Balsa | [7] |
| An African Dugout | [9] |
| An Eskimo Umiak | [11] |
| An Eskimo Kayak | [13] |
| A Birch-bark Canoe | [15] |
| An Outrigger Canoe | [17] |
| A Phœnician Bireme | [19] |
| A Greek Trireme | [21] |
| Seating Arrangement of Rowers in a Greek Trireme | [25] |
| An early 16th-Century Ship | [27] |
| A Mediterranean Galley | [31] |
| An Egyptian Boat of the 5th Dynasty | [35] |
| An Egyptian Ship of the 12th Dynasty | [37] |
| A Roman Ship | [39] |
| A Viking Ship | [41] |
| A 13th-Century English Ship | [43] |
| A Galleon of the Time of Elizabeth | [45] |
| The Amaranthe | [49] |
| A 16th-Century Dutch Boat | [51] |
| A Corvette of 1780 | [53] |
| A British East Indiaman | [57] |
| A Black Ball Packet | [59] |
| A Whaling Bark | [61] |
| The Red Jacket | [63] |
| The Great Republic | [65] |
| The Ariel, 1866 | [67] |
| A Gloucester Fisherman | [69] |
| An American Coasting Schooner | [71] |
| The Charlotte Dundas | [77] |
| Robert Fulton’s Clermont | [79] |
| The Savannah | [81] |
| The Great Britain | [83] |
| The Great Eastern | [85] |
| The Steamship Oceanic | [89] |
| The Deutschland | [93] |
| The Majestic | [97] |
| The Leviathan | [99] |
| The Berengaria | [101] |
| The Mauretania | [105] |
| The Belgenland | [107] |
| The George Washington | [111] |
| The Homeric | [115] |
| A Mail Liner | [119] |
| An American Intermediate Liner | [121] |
| A Cargo Liner | [123] |
| A Tramp Steamer | [125] |
| An Oil Tanker | [129] |
| A Turret Steamer | [131] |
| A Whaleback | [135] |
| A Great Lakes Freight Carrier | [137] |
| An English Warship of the Time of Henry V | [141] |
| A British Line-of-Battle Ship, 1790 | [143] |
| The American Frigate Constitution | [145] |
| A Steam Frigate—the U. S. S. Hartford | [146] |
| The Monitor | [147] |
| The Merrimac | [149] |
| A Torpedo Boat | [151] |
| H. M. S. Dreadnaught | [153] |
| A Submarine | [155] |
| A Modern Destroyer | [157] |
| A Modern Super-dreadnaught | [159] |
| A Battle Cruiser | [161] |
| A Scout Cruiser | [163] |
| An Airplane View of the U. S. S. Langley | [165] |
| A Map of the Port of New York | [169] |
| A Map of the Port of Liverpool | [171] |
| A Map of the Port of Rio de Janeiro | [173] |
| A Map of the Port of Cape Town | [175] |
| A Map of the Port of Marseilles | [177] |
| A Tug Boat | [179] |
| A New York Harbour Ferry | [181] |
| A New York Harbour Lighter | [183] |
| A Mississippi River Stern-wheeler | [185] |
| A Modern Venetian Cargo Boat | [187] |
| A Page of Knots in Common Use | [193] |
| Bearings and Points of Sailing | [195] |
| How a Fore-and-Aft Sail Is Reefed | [197] |
| A Freighter Tied Up to a Pier | [199] |
| A Few Types of Sailing Ships Common in European and American Waters | [201] |
| A Few Types of Sailing Boats to Be Found Around the World | [203] |
| The Rigging of a Three-masted Ship | [209] |
| The Sails of a Four-masted Ship | [213] |
| Using a Cross Staff | [217] |
| Using an Astrolabe | [221] |
| A Sextant in Use, and a Ship’s Log | [225] |
| Using a Pelorus | [229] |
| Sounding by Machine | [233] |
| The Pharos at Alexandria | [237] |
| The Tillamook Rock Light Station | [239] |
| Cape Race Lighthouse | [241] |
| Minot’s Ledge Light | [243] |
| Bishop Rock Lighthouse | [245] |
| Fire Island Lightship | [247] |
| Automatic Buoys | [249] |
| A Ship on the Ways | [253] |
| A Floating Dry Dock | [255] |
| The Olympic | [259] |
| The Aquitania | [263] |
| The Paris | [265] |
| The Spray | [281] |
| The Detroit | [283] |
| A Reconstruction of One of Caligula’s Galleys | [284] |
| A European Side-wheeler | [285] |
| A Hudson River Steamer | [287] |
| A Steam Yacht | [289] |
| An Experiment of 1924 | [291] |