“It wants a canoe,” said Bevis.

“Of course it does. It’s no use going on unless you’re going to row.”

“No; but look!” Bevis pointed to a small branch which was floating very slowly past them.

“There’s a current,” said Mark.

“River,” said Bevis. “In the sedges somewhere.”

“What is it? I know; it’s the Orinoco.”

“No, I don’t think so.”

“Amazon?”

“No.”

“Hoang-Ho?”