"But what it will be I can't guess. We'll have to keep on guard."
"Who is going to go on the raft?" asked Sam.
"It won't carry all of us."
"I'll pole it over," answered Dick. "The rest of you will have to go around by the ford."
"Don't you want any help?" asked Tom.
"No, I think I can do it alone. If two of us got on the raft it might sink too deep and get stuck on the rocks."
So it was arranged, and a few minutes later Dick set off. Peter Marley had cut for him a slender but tough pole, which he was to use in shoving the novel craft across the stream.
"Don't go overboard!" cried Sam.
"I'm going to take off the most of my clothing," answered the older brother. "You can carry the things for me and don't drop them at the ford."
Soon Dick was on the way, standing behind the biplane and using the long pole as best he could. He was in water up to his ankles and as the planks were slippery he had to watch his footing. Once he came close to going overboard but saved himself by clutching one of the wire stays of the machine.
In the middle of the stream the current caught the raft and forced it down the river for quite a
