“Are we doing our damnedest?” inquired Rogers.
“We are, sir,” reported the engineer; “she hasn't got another oat in her!”
Rogers muttered something beneath his breath, and sat there glaring ahead at the boat ever gaining upon her pursuer.
“So long as we keep her in sight,” said Stringer, “our purpose is served. She can't land anybody.”
“At her present rate,” replied the man upon whose shoulders he was leaning, “she'll be out of sight by the time we get to Tilbury or she'll have hit a barge and gone to the bottom!”
“I'll eat my hat if I lose her!” declared Rogers angrily. “How the blazes they slipped away from the wharf beats me!”
“They didn't slip away from the wharf,” cried Stringer over his shoulder. “You heard what Sowerby said; they lay in the creek below the wharf, and there was some passageway underneath.”
“But damn it all, man!” cried Rogers, “it's high tide; they must be a gang of bally mermaids. Why, we were almost level with the wharf when we left, and if they came from BELOW that, as you say, they must have been below water!”
“There they are, anyway,” growled Stringer.
Mile after mile that singular chase continued through the night. With every revolution of the screw, the banks to right and left seemed to recede, as the Thames grew wider and wider. A faint saltiness was perceptible in the air; and Stringer, moistening his dry lips, noted the saline taste.