A glance at a map of Africa will show you that Loanda lies well to the south of the Bight of Benin, and show you, too, where the great river Niger or Quorra empties itself into the Gulf of Guinea.

All was now bustle and stir on board the Rattler. Steam was ordered to be got up at once. There used to be disputes between the engineer and captain, but these were all forgotten now.

Would you believe it, reader, that all hands, from the commander to the dark-skinned Kroomen from Sierra Leone, were as merry and happy as if they were going to a fancy ball instead of to battle and to carnage. Such is your British sailor.

Dinner was ordered half an hour sooner, so that the men should have plenty of time to get their arms and accoutrements into perfect fighting trim before the sun went down at four bells in the first dog-watch.

The captain felt in fine form; for whatever faults he had, he certainly was no coward.

He liked his middies well, too, when he had not those nasty little fits of bad temper on. To-day he walked up and down the quarter-deck holding our hero Creggan by the arm, and not only talking to him but encouraging the boy himself to talk.

Creggan was nothing loath. But from some words he let fall, Commander Flint found he had a romantic early history.

"You must come and dine with me to-night," he said, "and tell me all your story. You and Dr. Grant."

"Oh, thank you, sir.

"And now," added Creggan, "may I take the liberty of asking you just one question?"