'It's very nice and cool,' said the Inane Girl, 'but how does it come up there?'
'I believe it is merely the drippings from the rock collected in a small hollow. It is to be hoped it won't petrify inside you.'
'Oh! yes,' said she, 'I hear it dripping, now you mention it. Why, it's trickling quite fast.'
'Trickling! Good heavens! We must get out of this at once. Quick! Help me down.'
'Why, what's the matter? Anything wrong?' they all chorussed.
'Yes, everything. That trickling is the tide coming into the pool at the mouth of the cave, and it will soon be too late for us to escape, if it is not already.'
When they reached the mouth of the cave, one glance was sufficient. The breakers were already beating against the rocks at the extremity of either horn of the bay. No one would round those corners until the next tide.
The others wished to run and see if escape was hopeless. But Travers prevented them. It would only be waste of time and energy.
'Then I suppose we must just wait in the cave till the tide goes down again,' said Miss Derwent, while the Inane Girl bleated, 'Oh! we'll all be drowned, I'm sure we will.'
'No,' said Travers sternly; 'we cannot remain in the cave. The tide washes right up to the end of it. I have got you into this scrape, and I'm bound to get you out of it.' He spoke to the other girl but he looked at Miss Derwent.