Vlll 
CONTENTS. 
Page 
CHAPTER IV. t 
Observations on the Deviation of the Compass—Sur¬ 
vey of the East Coast of Greenland commenced— 
Several Inlets and some Islands discovered, and 
named—Great Errors in the Charts detected— 
Bear killed—Curious Atmospheric Refractions, 89 
CHAPTER V. 
Loss of a I-Iarpooner by a Whale—Two Whales and 
three Narwals taken—Anatomical Structure of the 
Narwal—Remarkable Atmospheric Refractions, 120 
CHAPTER VI. 
A small Whale captured—Remarks on its anatomical 
Structure—Its Blow-hole Valves—Its Weight— 
Its Physiology—Foggy Weather—Cause of Arctic 
Fogs—Beautiful and singular examples of the Op¬ 
tical Effects of Unequal Refraction—Remarks on 
the Cause of these Phenomena, - - 148 
CHAPTER VII. 
Approach the Coast of Greenland—Survey resumed— 
Several Islands discovered—Headlands, Bays, and 
Islands named — Extraordinary Mountains—Ice¬ 
bergs— First Landing on the Coast — Discover 
traces of recent Inhabitation—Inverted Image of a 
Ship seen in the Air, recognised—Large Inlet dis¬ 
covered, and'examined—Second, Third, and Fourth 
Landing effected, - - - 174 
