Gold-fields of Australia.—Kangaroos.—Big Gum Trees.—Largest Trees in the World.—Wild Bird Life.—Gold-seeking.—City of Sydney.—Botanical Garden.—Public Institutions.—Sheep-raising.—Brisbane, Capital of Queensland.—The Aboriginal Race.—Native Legends.—The Boomerang.—Island of Tasmania.—How named.—Launceston.—Hobart, the Capital.—Local Scenes.—A Prosperous Country.