TABLE OF CONTENTS 



P»ee 



Introduction _* ^ I 



Narrative of the six cruises, March 18-August 18 3 



Table of ice and other obstructions 21 



Ice observation 23 



Chart of ice and ice drifts, 1931 Facing 23 



Weather 27 



Radio communications 35 



Oceanography 39 



Oceanographic charts Facing 42 



Table of oceanographic station data 42 



Account of polar trip of the Graf Zeppelin, 1931 ^14 



(III) 



