XVI CONTENTS 



motion Depth of the undulation Local hues of water 

 Sea-floors and their influence on coloring Deep-sea 

 color Gulf and bay colorings Mineral hues in water 

 Color patches Sea sawdust Transparency of sea-color 

 Reflection from surface The smooth swell on the 

 Southern seas Northern waters Sky effects at sea 

 Sunlight on the wares Moonlight on the waves Cloud 

 shadows upon water Colored shadows again Cloudy 

 days at sea The emerald-greens of storm Atlantic and 

 tropical waves Following the equator 113 



CHAPTER VII. Along Shore On the beach The 

 coast-wave Why waves break Dancing jets under a 

 cliff The size of coast-waves And their power Forced 

 and wedged waves The beach-comber Water-mirrors 

 on the beach The undulation again The rising of the 

 sea Thrust of the waves Curves of sand beaches 

 Wave action on the rocks Cliff undermining Rock 

 forms made by water Pulpits, bridges, and caverns 

 Formation of sand-dunes Sea barriers Bars, lagoons, 

 and marshes The tides Ebb and flood tides The bare 

 shores Coast lines Color and light upon the shore 

 Twilight colorings Moonlight on the sea The coast in 

 storm The whipped waves The uses of storm Without 

 the sea 134 



CHAPTER VIII. Rwnnvng Waters. The river at the 

 sea Meeting the ocean The river's path The Plain 

 Track Through the meadows The river's basin The 

 sluggish flow The Valley Track The river island- 

 Hurrying waters New movement The wear of water 

 The sculptor of the land Valley and mountain carvings 

 Oscillations of the stream Lines of the banks and the 

 vater Color on the river With enow and under ice 



