CONTENTS 



Page 



OCEANOGRAPHY AND THE MARINER 1 



TREASURE FROM THE SEA 9 



BIOLOGICAL OCEANOGRAPHY 17 



DANGEROUS SEA LIFE 25 



THE TITANIC— 50 YEARS LATER 35 



NATURAL PHENOMENA 45 



UNDERWATER DISTURBANCES 53 



PERU CURRENT 61 



WATER DENSITY AND ITS APPLICATIONS 69 



THE GULF STREAM 76 



