‘Yacka, Yacka!’ shouted Edgar.

There was no answer, except a loud echo of his voice. Again Edgar shouted, and this time there was a faint response.

‘He has fallen down,’ said Will. ‘How are we to reach him? He may be fatally injured.’

They looked round for some means of descending in safety, and after peering down the hole for some time Edgar said:

‘There is a light at the bottom, and now I can see better; the rocks seem to be piled up in heaps. We may be able to descend by slipping from one to the other. It is our only chance, and we must try it.’

They prepared for their perilous descent; they had no rope, and nothing out of which a support of any kind could be made.

Edgar knelt down, and Will caught hold of one hand as he glided over the edge.

‘All right,’ said Edgar, ‘I have a foothold here.’

Will followed, and the same operation was repeated, and Edgar again found a firm footing lower down. He stood still, and helped Will to follow him. It was slow work, but by degrees they neared the bottom.

Edgar looked down from the ledge upon which he was standing, and saw Yacka lying near the foot of the rock.