CHAPTER LII.--The Second Grinnell Expedition--The Advance in
Winter Quarters--Total Darkness--Sledge-Parties--Adventures--The First Death--Tennyson's Monument--Humboldt Glacier--The Open Polar Sea--Second Winter--Abandonment of the Brig--The Water again--Upernavik--Rescue by Captain Hartstene--Death and Services of Dr. Kane--Attempt to lay the Atlantic Cable 561