LIST OF ILLUSTRATIONS 



The burst of the South-west Monsoon against the Colombo Break- 

 water ..... Frontispiece 

 Bore of the Tsien Tang Kiang . . . Facing page 34 

 An Iceberg, showing the section under water . ,, 86 

 Diatom Cases . . . . ,,154 

 Part of Diatom Case . . . . ,,156 

 Deep-sea Fishes . . . . ,,182 

 Beam-trawl and Tow-net employed in deep-sea research ,, 188 

 A Deep-sea Crab . . . . ,, 220 

 A Blue Whale . . . . ,,254 



