CONTENTS 



—Tide in inland seas— The Norwegian maelstrom — 

 Scylla and CharybdiG — Races and whirlpools — Bores 

 of Colorado and Amazon— Tidal waves — Great waves 

 in Pacific — Krakatoa — Waves from its explosion — 

 Travel of waves — Undulation and drift of water — 

 Ocean currents — The Gulf Stream — Japanese current — 

 Variations of currents — Early beliefs about currents — 

 Franklin and Maury — Trade Winds— Ocean currents 

 following winds — Circulation of seas — Exchange of 

 currents — Exchange in Red Sea and Mediterranean — 

 Difference in temperature a cause of circulation— Swirls 

 and rings of the sea — Swirls of the air — Life-giving 

 properties of change — Swirl of the solar system — The 

 Milky Way a Sargasso Sea — ^The search for truth . . 24 



Chapter III. In the Depths. — Surface effect of 

 storms — Shallowness of currents — Depth of tides and 

 tide theories — Stillness of ocean depths — Darkness of 

 depths— In the pit — Intense cold of under waters — 

 Ocean temperatures — The sea bed — Mountains in the 

 sea — Volcanic and coralline formations — Pot-holes and 

 chasms — Sea troughs — Sinks of ooze — Shore beds and 

 their bottoms — Shore benches— Haunts of the octopus 

 — Make-up of sea muds — Terrigenous deposits — Glacial 

 ooze — Volcanic dust — Abysmal deposits — Pteropod 

 ooze — Globigerina and Radiolarian oozes — Red Clay — 

 Contents of sea pits — Deep-sea records — Ocean trans- 

 parency — Clearness of Mediterranean, Carribean, and 

 Pacific— Bottom reflections — Muddy bottoms— Mineral 

 stains — Sea sawdust — Gulf Stream coloring — Local sea 

 color — Salt particles in water— Effect of blue sky- 

 Salinity and its effect — Coloring by depth — Beauty of 

 sea color — Temperature as a factor — Color local and 

 reflected ^^ 



