Half an hour later the heads of a patch of palm trees were visible from the deck.
"That's Ni Atong, right enough," commented Mr. McKay, as bit by bit the land appeared to rise above the horizon. "Blight told me that the entrance to the lagoon is easily picked out."
Ni Atong resolved itself into a low, regularly outlined island barely two miles in length. Its surface was covered with dense scrub and a few cocoanut palms, the soil being apparently loose and sandy. So far as could be seen, a coral reef extended round the island at a distance of half a mile from the shore, the rocks in places protruding above water to a height of nearly three feet.
"There's another island showing up on our port bow, sir," announced Ellerton.
"Then that's Ahii. It's a lofty island something like ours, judging by the appearance of that mountain. However, we'll hear and see more of it later on. Now, Andy, we are approaching the reef. Do you climb aloft and con the boat in through the channel."
This is the only practical method of entering an unbeaconed lagoon, for owing to the sudden increase in depth, a lead line is of little use. On the other hand, the extreme clearness of the water makes it possible for a man aloft to detect instantly any rocks or shoals that lurk beneath the surface.
For the space of five minutes it was an anxious time. On either hand the breakers thrashed themselves in masses of milk-white foam upon the glistening coral reef, while ahead a narrow patch of undulating, yet unbroken water showed the presence of the only available channel into the shelter of the lagoon.
"Starboard—bear away—starboard again—port, steady!"
Under the light breeze the yawl was in danger of dropping to leeward upon the merciless rocks. One moment her stern was lifted high in the air, the rudder consequently being useless. The next she threw her streaming bows above the following wave, then, shaving the edge of the reef by a bare five yards, the little vessel glided into the quiet waters of the anchorage.
The crew now had time to look about them. Drawn up on the sandy beach were seven large canoes, similar to that which had paid an unwelcome visit to McKay's Island, while others, only slightly smaller in size, were hauled up beneath the shelter of the bushes, their lofty carved prows alone being visible.