"Stop!" cried Betty, in some alarm. "It will break, and I don't know where I can get another. We'd better try reversing the engine."
She sat down in the cushioned cockpit, an example followed by the others. They were breathing rather hard, and presently Betty went into the cabin and came out with some iced orangeade that had been put aboard in a vacuum bottle to retain its coolness.
"Here," she invited, "let's refresh ourselves a bit. I can see that we are going to have trouble."
"Trouble?" queried Amy, looking at her chums.
"Yes. We aren't going to get off as easily as I thought."
"Do you think we'll ever get off?' asked Grace.
"Of course we will," declared Betty promptly.
"I'll never wade or swim ashore—not with the river full of such nasty alligators!" announced Grace.
"Wait until you're asked," cried Mollie. "I'm sure we can get off when the motor is reversed."
"The propeller seems to be in deep water," spoke Betty, taking an observation over the stern. "Come back here, girls, and sit down."
"It's more comfortable here," objected Grace,
