"It means," said Frank, coolly, "that we have reached the Everglades."
"Th' Ivirglades? Well, pwhat do we want iv thim, Oi dunno?"
"They are one of the sights of Florida, Barney."
"It's soights enough I've seen alreddy. Oi'd loike ter git out av this."
"I knew you wouldn't get out this way, for we have not passed the rookeries of the herons, as you must remember."
"That's true," sighed the professor, dejectedly. "I hadn't thought of that. What can we do, boys?"
"Turn about, and retrace our steps," said Frank.
But Barney and the professor raised a vigorous protest.
"Nivver a bit will yez get me inther thot swamp again th' doay!" shouted the Irish lad, in a most decisive manner.
"If we go back, we'll not be able to get out before darkness comes on, and we'll have to spend the night in the swamp," said Scotch, excitedly. "I can't do that."