"All ready!"

The, boat hesitated seemed to hold her breath, as did the captain and pilots—and then she began to fall away to starboard and every eye lighted:

"Now then!—meet her! meet her! Snatch her!"

The wheel flew to port so fast that the spokes blended into a spider-web—the swing of the boat subsided—she steadied herself——

"Seven feet!"

"Sev—six and a half!"

"Six feet! Six f——"

Bang! She hit the bottom! George shouted through the tube:

"Spread her wide open! Whale it at her!"

Pow-wow-chow! The escape-pipes belched snowy pillars of steam aloft, the boat ground and surged and trembled—and slid over into——