His chief difficulty was to hoist into place the tall poles he needed, and for this purpose he had to again visit Palm-tree Rock in order to secure the pulley.

By exercising much ingenuity in devising shear-legs, he at last succeeded in lifting the masts into their allotted receptacles, where they were firmly secured.

Finally he was able to swing into air, high above the tops of the neighboring trees, the loftiest of which he felled in order to clear the view on all sides, the name of the ship _Sirdar_, fashioned in six-foot letters nailed and spliced together in sections and made from the timbers of that ill-fated vessel.
Meanwhile he taught Iris how to weave a net out of the strands of unraveled cordage.

With this, weighted by bullets, he contrived a casting-net and caught a lot of small fish in the lagoon.

At first they were unable to decide which varieties were edible, until a happy expedient occurred to the girl.
"The seabirds can tell us," she said.