front and to the right. Trendon's hand went to his revolver. The men sat, stiffened. One of them swore, in a whisper, and the oath came back upon them, echoing the name of the Saviour in hideous sibilance.
"Silence in the boat," said the captain, in such buoyant tones that the men braced themselves against the expected peril.
"Light the lantern and pass it to me," came the order. "Keep below the gunwale, men."
As the match spluttered: "Do you see something, a few rods to port?" asked the captain in Trendon's ear.
"Pair of green lights," said Trendon. "Eyes. Seals!"
"Seals! Seals! Seals!" shouted the walls, for the surgeon had suddenly released his voice. And as the mockery boomed, the green lights disappeared and there was more splashing from the distance. The crew sat up again.
The lantern spread its radiance. It was reflected from battlements of fairy beauty. Everywhere the walls were set, as with gems, in broad wales of varied and vivid hues. Dazzled at first, the explorers soon were able to discern the general nature of the subterranean world which they had entered. In most places the walls rose sheer and unscaleable from the water. In others, turretted rocks thrust their gleaming crags upward. Over to starboard a little beach shone with Quaker greyness in that spectacular display. The end of the cavern was still beyond the area of light.
"Must have been a swimmer to get in here," commented Trendon, glancing at the walls.
