When they reached the entrance to the Dark Cave they looked around for some trace of Remora and of Joseph Farvel's party; but the storm had obliterated all footprints and other signs.
With lighted torches they passed inside and down the first slope, which was now familiar to them. Their future operations had been talked over during the breakfast hour, and it had been decided to try a central branch of the great cave—one which Carlos Remora had told them had a very uneven flooring and was, consequently, but little travelled.
They had just reached the ending of the first slope when Dick saw a white object sticking up on the end of a stick.
"Hullo! what's that?" he cried.
"What's what, Dick?"
"That thing on the stick?"
"It's a sign of some sort," exclaimed Bob; and running forward he held the torch to it. It proved to be a piece of white paper stuck on a bit of tree bark. On the paper was written:
"WARNING!
"Be it known to all that I, by right of inheritance and also discovery, do hereby lay claim to everything of value which is to be found in this cave or any of its branches. I warn all out-
