CHAPTER IV.
The Fog lifts .-- A Whale in Sight .-- Craggy Black Mountains capped with Snow .-- A Novel Carriage for the Big Rifle .-- Mounting the Howitzer .-- A Doubtful Shot .-- The Lower Savage Isles .-- A Deep Inlet .-- "Mazard's Bay."-- A Desolate Island .-- An Ice-Jam .-- A Strange Blood-red Light .-- Solution of the Mystery .-- Going Ashore .-- Barren Ledges .-- Beds of Moss .-- A Bald Peak .-- An Alarm .-- The Schooner in Jeopardy .-- The Crash and Thunder of the Ice .-- Tremendous Tides 69.