CONTENTS. 



CHAPTER XI. 



ICE AN AGENT IN TRANSPORTING BOULDERS HOW THIS COMES ABOUT 



DR. KANE'S OBSERVATIONS LONG NIGHT IN WINTER AND LONG 



DAY IN SUMMER EXTREME DARKNESS INFLUENCE ON DOGS 



INTENSE COLD EFFECT ON THE SSA 166 



CHAPTEE XII. 



QUESTION OF AN OPEN SEA ROUND THE POLES UPPER AND UNDER 



CURRENTS OF THE OCEAN CAUSE THEREOF HABITS OF THE 

 WHALE AS BEARING ON THE QUESTION DR. KANE'S DISCOVERY 

 OF AN OPEN SEA IN THE FAR NORTH NOTES ON THE EXPEDI- 

 TION A BEAR-HUNT 176 



I 



CHAPTER XIII. ' 



MISCELLANEOUS PHENOMENA OF THE POLAR SEAS AND REGIONS 

 THE AURORA BOREALIS ICE-BLINK OPTICAL ILLUSIONS 



ANECDOTE OF SCORESBY HALOS CORONAS MOCK SUNS 



REFRACTION FROSTS 194 



CHAPTER XIV. 



ANIMAL LIFE IN THE SEA MEDUSA FOOD OF THE WHALE 



PHOSPHORIC LIGHT CAUSE THEREOF LUMINOSITY OF THE 

 OCEAN 206 



CHAPTER XV. 



CORAL INSECTS AND CORAL ISLANDS POLYNESIA OPERATIONS OF 



THE CORAL INSECT GROWTH OF CORAL REEFS 219 



CHAPTER XVI. 



VOLCANIC ISLANDS OPINIONS OF THE ANCIENTS "ATLANTIS" 

 INSTANCE OF THE FORMATION OF A VOLCANIC ISLAND CON- 

 CLUSION 228 



