By and by, when we had approached to somewhere within thirty miles of Sydney Heads the great electric light that is posted on one of those lofty ramparts began to show, and in time the little spark grew to a great sun and pierced the firmament of darkness with a far-reaching sword of light. Sydney Harbor is shut in behind a precipice that extends some miles like a wall, and exhibits no break to the ignorant stranger. It has a break in the middle, but it makes so little show that even Captain Cook sailed by it without seeing it. Near by that break is a false break which resembles it, and which used to make trouble for the mariner at night, in the early days before the place was lighted. It caused the memorable disaster to the Duncan Dunbar, one of the most pathetic tragedies in the history of that pitiless ruffian, the sea. The ship was a sailing vessel; a fine and favorite passenger packet, commanded by a popular captain of high reputation. She was due from England, and Sydney was waiting, and counting the hours; counting the hours, and making ready to give her a heart-stirring welcome; for she was bringing back a great company of mothers and daughters, the long-missed light and bloom of life of Sydney homes; daughters that had been years absent at school, and mothers that had been with them all that time watching over them. Of all the world only India and Australasia have by custom freighted ships and fleets with their hearts, and know the tremendous meaning of that phrase; only they know what the waiting is like when this freightage is entrusted to the fickle winds, not steam, and what the joy is like when the ship that is returning this treasure comes safe to port and the long dread is over.