‘All right,’ said Edgar, sitting down on a projection from the rock; ‘but make haste back.’
Yacka went away, and when they looked round they found the rock had swung back into its place, and they were imprisoned in the cave.
CHAPTER XVIII.
THE WHITE SPIRIT.
It was not a pleasant sensation to find themselves alone, shut up in a cave, only a faint glimmer of light being visible, and from which there appeared to be no means of escape. There was a peculiar clammy dampness about the atmosphere, and a strange vault-like smell. It might have been an old tomb, so weird was everything surrounding them.
‘The stone must have swung back into its place,’ said Edgar. ‘Yacka will open it when he returns.’
‘All the same, I don’t like it,’ said Will. ‘Suppose he could not move the stone again. If anything happened to him, we have very little chance of getting out.’
‘There is no occasion for alarm at present,’ said Edgar. ‘I trust Yacka, and he will soon return. To pass away the time we may as well examine the cave. It is evidently only one of many. The whole of these rocks and hills are honeycombed.’
They stepped cautiously, and felt the sides of the cave, finding them smooth and even.
‘Here is another of these peculiar formations like a bunch of grapes,’ said Edgar. ‘Perhaps there is another stone that swings round. We can try at any rate.’
He pushed the hard knob, as he had seen Yacka do, and cried out excitedly: