He knew not what might happen.

He was now feverishly anxious to be with her again, to hear her voice, and be sure that all was well.
To his horror he found the ladder swaying gently against the rock.

Some one was using it.

He sprang forward, careless of consequence, and seized the swinging end which had fallen free again.

He had his foot on the bottom rung when Iris's voice, close at hand and shrill with terror, shrieked-- "Robert, where are you ?" "Here!" he shouted; the next instant she dropped into his arms.
A startled exclamation from the vicinity of the house, and some loud cries from the more distant Dyaks on the other side of Prospect Park, showed that they had been overheard.
"Up!" he whispered.