CONTENTS.

		PAGE.
	INTRODUCTION	15
	GENERAL SUMMARY	20
I	FLATTENING OF THE EARTH AT THE POLES	29
II	LENGTH OF POLAR NIGHTS	32
III	WORKING OF THE COMPASS	37
IV	AROUND THE CURVE	47
V	MYSTERIES OF THE POLAR REGIONS	52
VI	THE WATER-SKY; WHAT IT IS	54
VII	THE AURORA: ITS WONDERFUL VARIATIONS	65
VIII	METEORS OR VOLCANIC DISTURBANCES	109
IX	FINDING OF ROCK IN AND ON ICE	114
X	DUST IN THE ARCTIC	124
XI	OPEN WATER AT THE FARTHEST POINT NORTH AND SOUTH	128
XII	WHY IT IS WARMER NEAR THE POLES	175
	p. 10
		PAGE.
XIII	DRIFTWOOD--WHENCE IT CAME	196
XIV	HAVE OTHERS TITAN ESQUIMOS INHABITED THE ARCTIC REGIONS?	201
XV	WHAT PRODUCES COLORED SNOW IN THE ARCTIC?	209
XVI	WHERE AND HOW ARE ICEBERGS FORMED?	213
XVII	THE TIDAL WAVE	232
XVIII	CLOUDS, FOGS, AND VAPORS	250
XIX	ARCTIC AND ANTARCTIC WINDS	255
XX	THE CENTRE OF GRAVITY	269
XXI	CANNOT REACH THE POLES	272
XXII	WHAT IS TN THE INTERIOR OF THE EARTH?	275
	IN CONCLUSION	282

Contents