Chapter 18. Australia Circumnavigated.

Overhaul of the ship. The Lady Nelson. Flinders sails north. Discovery of Port Curtis and Port Bowen. Through the Barrier Reef. Torres Strait. Remarks on Coral Reefs. The Gulf of Carpentaria. Rotten condition of the ship. Melville Bay discovered. Sails for Timor. Australia circumnavigated. The Investigator condemned. Illness of Flinders. News of father's death. Letter to step-mother. Letters to Mrs. Flinders. Letter to Bass. The end of the Investigator.