It's Barry.

The other is gone.

No, by Jove! he's got him! Hold on, Barry, we're coming," yelled Tom.

"Stick to it, old boy!" Swiftly the canoe sped toward the drowning men.
"They are gone this time for sure," cried Tom, as the canoe shot over the spot where the men had last been seen.
"Not much!" said Knight, as reaching out of the stern he gripped Barry by the hair.

"Hold hard, Barry," he said quietly.