Captain Armstrong had accompanied them and shook hands with his companions in adventure.

“Good-bye, Gaunt. I hope that you will be quite fit when we meet again. Good-bye, Padre,” and he gripped their hands tightly.

And when morning came the Esmeralda and the Heron had vanished from the mouth of the Congo.

CHAPTER XLIII

In the distance could be seen the Peak of Teneriffe, gleaming white among the clouds, and the Heron was steaming steadily towards the island.

Aft of the yacht John Gaunt lay on a deck chair with his wife sitting close to him. Her hand rested in his, and there was peace and contentment on her face. Already the millionaire was better, and there was a little color on his cheeks, but there was a moody expression in his eyes.

“I am very happy, dearest,” Lady Mildred whispered.

But he did not answer, and she looked at him in wonder.

“Something is troubling you—what is it?”

“It is only that I have decided to go back to England when all the time I am longing to continue this voyage forever.”