CONTENTS 



-V 



V 



CHAPTER PAGB 



Introduction v 



I. The Depths of the Sea . . . . i 

 II. Currents and Streams . • . .16 



III. Derelicts and Icebergs .... 36 



IV. Tides and Waves 60 



V. Safeguards of the Sea . . . .80 



VI. Life in the Great Depths ... 99 



VII. Life at and Near the Surface . . 121 



VIII. The Story the Sea has Told . . 148 



IX. The Battle Between Sea and Land . 165 



X. Human Life Under the Sea . .176 



435148 



