The captain ruminated. Then he beat his fist on his knee.
"The other cave!"
"What other cave?" asked the surgeon.
"The cave where they killed the seals."
"Surely!" exclaimed Trendon. "Wait, though. Didn't Slade say it was between here and the point?"
"Yes. Beyond the small beach."
"No cave there," declared the surgeon positively.
"There must be. Congdon, did you see an opening anywhere in the cliff as we came along?"
"No, sir. This is the only one, sir."
"We'll see about that," said the captain, grimly. "Head her about. Skirt the shore as near the breakers as you safely can."
The gig retraced its journey.
"There's the beach, as Slade described it," said Captain Parkinson, as they came abreast of the little reach of sand.
"And what are those two bird-roosts on it?" asked Trendon. "See 'em? Dead against that patch of shore-weed."
"Bits of wreckage fixed in the sand."
"Don't think so, sir. Too well matched."
"We have no time to settle the matter now," said the captain impatiently. "We must find that cave, if it is to be found."
Hovering just outside the final drag of the surf, under the skilful guidance of Congdon, the boat moved slowly along the line of beach to the line of cliff. All was open as the day. The blazing sun picked out each detail of jut and hollow. Evidently the
