The Arctic WorldNote 6 — Chapter III · THE POLAR SEAS: ICEBERGS—ICE-FLOES—THE SEAL—THE WALRUS THE NARWHAL—THE WHALE—SUNDRY FORMS OF MARINE LIFE.Reading editionTyndall, “Forms of Water,” p. 137.◇Copy noteReturn to CHAPTER III. THE POLAR SEAS: ICEBERGS—ICE-FLOES—THE SEAL—THE WALRUS THE NARWHAL—THE WHALE—SUNDRY FORMS OF MARINE LIFE.