on the saints for protection. As for a conveyance, it is already at hand. Furthermore, the transport ship can certainly be prevented from sailing on the morrow, and shall be."
"What then, my Carlos? Have the United States espoused our cause and sent a fleet to our aid?"
"Not so, father, only two of her brave citizens, of whom this, my dearest friend, is one, have come with me; but we have brought that which may accomplish all that I claim and more. Do not question me as to its nature, for I am bound to present secrecy. Only be prepared for our demonstration which will be made to-morrow night; effect the release of the little one from La Jacoba, bring her to the dock of the fishmarket on the exact stroke of midnight, and her safety together with thy own shall be assured."
After another hour spent in joyful congratulations, explanations, and a perfecting of details for the proposed rescue, our lads took their departure, and cautiously returned to the place where Professor Rivers anxiously awaited them.
CHAPTER V
Although amid the excitements of the night Carl and Carlos had not realised the flight of time, the hours of waiting passed by their companion in anxious suspense on board the Mermaid had seemed interminable. He had not dared desert his boat for a minute, nor would it have been safe to move from the precise position in which the lads had left her. So he could only watch from the turret of his submerged craft, with every sense keenly alert for the return of his young friends. After a while he seemed to hear guarded footsteps and whispering voices close at hand, though unable to see the figures to which they belonged. The impulse to turn on a
