“Do you know where the Americans expect to cross?”

“I can only guess, general.”

“Perhaps you will guess aloud.”

“I should guess they might cross below the ferry.”

“Very well.”

He turned to an orderly who stood ready to ride at a moment’s notice: “Go tell Captain Rodriguez that if a band of refugees should seek to land from the American shore they are to be allowed to pass unquestioned.” Then to Villa: “Is that all?”

“Yes, general.”

“Very well, go! You will find your force down by the water’s edge. The assault upon the revolutionists’ lines will begin in half an hour!”

But, in the meantime, what of Donald and Adrian?

When the revolutionists headed by Don Rafael had broken into the house and the boys were taken prisoners, they had been as greatly surprised at the disappearance of Billie as had the others; but it did not take Donald long to figure out what had happened.